History of United States diplomatic relations by country

This is a summary history of diplomatic relations of the United States listed by country. The history of diplomatic relations of the United States began with the appointment of Benjamin Franklin

Benjamin Franklin

Dr. Benjamin Franklin was one of the Founding Fathers of the United States. A noted polymath, Franklin was a leading author, printer, political theorist, politician, postmaster, scientist, musician, inventor, satirist, civic activist, statesman, and diplomat...

as U. S. Minister to France

United States Ambassador to France

This article is about the United States Ambassador to France. There has been a United States Ambassador to France since the American Revolution. The United States sent its first envoys to France in 1776, towards the end of the four-centuries-old Bourbon dynasty...

in 1778, even before the U. S. had won its independence from Great Britain in 1783.

The information is drawn from official records of the United States Department of State

United States Department of State

The United States Department of State , is the United States federal executive department responsible for international relations of the United States, equivalent to the foreign ministries of other countries...

. This history encompasses the following information for each nation that the United States has recognized, or with which the U. S. has had diplomatic relations:

Country name
Date of establishment of a consulate in that country, or date of appointment of a consul
Consul (representative)
The political title Consul is used for the official representatives of the government of one state in the territory of another, normally acting to assist and protect the citizens of the consul's own country, and to facilitate trade and friendship between the peoples of the two countries...

.
Date on which the U. S. recognized
Diplomatic recognition
Diplomatic recognition in international law is a unilateral political act with domestic and international legal consequences, whereby a state acknowledges an act or status of another state or government in control of a state...

the country.
Date of establishment of diplomatic relations with the country. This is often, but not always, the date of appointment of the first minister or ambassador
Ambassador
An ambassador is the highest ranking diplomat who represents a nation and is usually accredited to a foreign sovereign or government, or to an international organization....

.
The date on which a legation
Legation
A legation was the term used in diplomacy to denote a diplomatic representative office lower than an embassy. Where an embassy was headed by an Ambassador, a legation was headed by a Envoy Extraordinary and Minister Plenipotentiary....

or embassy was established in the country.
The name of the first minister or ambassador to the country. In many cases, a chargé d’affaires was appointed first and represented the U. S. until an envoy was commissioned.
The date on which diplomatic relations ended between the U. S. and the country.
Additional notes on U. S. diplomatic relations with the country.

Countries

Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...
- Consulate:
- Recognized: 1921
- Relations established: 1935
- Legation/embassy established: 1942; embassy established in 1946
- First ambassador: William Harrison Hornibrook
- Relations ended: —
- Notes:

U. S. Ambassador Adolph Dubs
Adolph Dubs
Adolph "Spike" Dubs was the United States Ambassador to Afghanistan from May 13, 1978 until his death in 1979. He was killed in an exchange of fire after a kidnapping attempt.-Career:...

was assassinated in 1979.
The U. S. Embassy at Kabul was closed on January 30, 1989, due to concerns that the new regime would not be able protect diplomats after the Soviet withdrawal. Following the ouster of the Taliban, the embassy was reopened in January 2002 with Ryan Crocker
Ryan Crocker
Ryan Clark Crocker is a Career Ambassador within the United States Foreign Service and a recipient of the Presidential Medal of Freedom. He currently is the United States Ambassador to Afghanistan. He was the United States Ambassador to Iraq until 2009; he previously served as the U.S...

as ambassador.

Albania
Albania
Albania , officially known as the Republic of Albania , is a country in Southeastern Europe, in the Balkans region. It is bordered by Montenegro to the northwest, Kosovo to the northeast, the Republic of Macedonia to the east and Greece to the south and southeast. It has a coast on the Adriatic Sea...

(1)
- Consulate:
- Recognized: 1922
- Relations established: 1922
- Legation/embassy established: 1922
- First ambassador: Ulysses Grant-Smith
- Relations ended: 1939
- Notes:

U.S.–Albanian diplomatic relations ended on June 5, 1939, after the Italian invasion of Albania
Italian invasion of Albania
The Italian invasion of Albania was a brief military campaign by the Kingdom of Italy against the Albanian Kingdom. The conflict was a result of the imperialist policies of Italian dictator Benito Mussolini...

, when the Albanian Minister for Foreign Affairs notified the American Minister in Albania that Italy had taken control of Albania’s foreign affairs.

Albania
Albania
Albania , officially known as the Republic of Albania , is a country in Southeastern Europe, in the Balkans region. It is bordered by Montenegro to the northwest, Kosovo to the northeast, the Republic of Macedonia to the east and Greece to the south and southeast. It has a coast on the Adriatic Sea...

(2)
- Consulate:
- Recognized: 1991
- Relations established: 1991
- Legation/embassy established: 1991
- First ambassador: William Edwin Ryerson
- Relations ended: —

Algeria
Algeria
Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...
- Consulate: 1796
- Recognized: 1962
- Relations established: 1962
- Legation/embassy established: 1962
- First ambassador: William J. Porter
  William J. Porter
  William James Porter was a United States diplomat who from 1971 to 1973 headed the U.S. delegation to the Paris Peace Talks to end the Vietnam War.-Biography:...
- Relations ended: —
- Notes:

Algeria severed diplomatic relations with the U.S. in 1967 in the wake of the 1967 Arab-Israeli war
Six-Day War
The Six-Day War , also known as the June War, 1967 Arab-Israeli War, or Third Arab-Israeli War, was fought between June 5 and 10, 1967, by Israel and the neighboring states of Egypt , Jordan, and Syria...

. A U.S. Interests Section was established in the Swiss Embassy. Relations were reestablished in 1974.

Andorra
Andorra
Andorra , officially the Principality of Andorra , also called the Principality of the Valleys of Andorra, , is a small landlocked country in southwestern Europe, located in the eastern Pyrenees mountains and bordered by Spain and France. It is the sixth smallest nation in Europe having an area of...
- Consulate:
- Recognized: 1995
- Relations established: 1995
- Legation/embassy established: —
- First ambassador: Edward L. Romero (1998)
- Relations ended: —
- Notes:

The U. S. Ambassador to Spain is also accredited to Andorra while resident in Madrid. There is no U. S. embassy in Andorra.

Angola
Angola
Angola, officially the Republic of Angola , is a country in south-central Africa bordered by Namibia on the south, the Democratic Republic of the Congo on the north, and Zambia on the east; its west coast is on the Atlantic Ocean with Luanda as its capital city...
- Consulate: 1992
- Recognized: 1993
- Relations established: 1994
- Legation/embassy established: 1994
- First ambassador: Edmund T. DeJarnette
- Relations ended: —
- Notes:

Angola became independent of Portugal in 1975, but the U.S. did not recognize the Government of Angola declared by the MPLA. The U.S. recognized Angola after multiparty elections were held in 1992.

Antigua and Barbuda
Antigua and Barbuda
Antigua and Barbuda is a twin-island nation lying between the Caribbean Sea and the Atlantic Ocean. It consists of two major inhabited islands, Antigua and Barbuda, and a number of smaller islands...
- Consulate:
- Recognized: 1981
- Relations established: 1981
- Legation/embassy established: 1981
- First ambassador: Milan D. Bish
  Milan D. Bish
  Milan D. Bish was an American diplomat. He was Ambassador of the United States to Barbados, Dominica, St Lucia, Antigua, and St. Vincent, as well as Special Representative to St. Christopher-Nevis-Anguilla from 1981 to 1984, under Ronald Reagan....
- Relations ended: —
- Notes:

The American Embassy at St. Johns
St. John's, Antigua and Barbuda
St John's is the capital and largest city of Antigua and Barbuda, a country located in the West Indies in the Caribbean Sea. St John's is located at...

was closed June 30, 1994. Subsequent ambassadors to Antigua and Barbuda remained resident at Bridgetown
Bridgetown
The city of Bridgetown , metropolitan pop 96,578 , is the capital and largest city of the nation of Barbados. Formerly, the Town of Saint Michael, the Greater Bridgetown area is located within the parish of Saint Michael...

, Barbados.

Arab Federation
Arab federation
Arab federation can mean:* Arab Federation, a confederation between Iraq and Jordan * Arab League, a regional organization of Arab States in the Middle East and North Africa....
- Consulate:
- Recognized: 1958
- Relations established: —
- Legation/embassy established: —
- First ambassador: —
- Relations ended: 1958
- Notes:

The Arab Federation was a short-lived union between Iraq and Jordan, that lasted February 14 – August 2, 1958. The U. S. recognized the Federation but never established diplomatic relations.

Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
- Consulate:
- Recognized: 1823
- Relations established: 1823
- Legation/embassy established: 1823
- First ambassador: Caesar Augustus Rodney
- Relations ended: —
- Notes:

Diplomatic relations were interrupted in 1944 and resumed in 1945.

Armenia
Armenia
Armenia , officially the Republic of Armenia , is a landlocked mountainous country in the Caucasus region of Eurasia...

(1)
- Consulate: 1896
- Recognized: 1920
- Relations established: —
- Legation/embassy established: —
- First ambassador: Steven Mann (chargé d’affaires)
- Relations ended: 1920
- Notes:

By the end of 1920 the Armenian Republic had ceased to exist as an independent state, with its territory either seized by Turkey or established as the Armenian Soviet Republic, which subsequently joined the Soviet Union.

Armenia
Armenia
Armenia , officially the Republic of Armenia , is a landlocked mountainous country in the Caucasus region of Eurasia...

(2)
- Consulate:
- Recognized: 1991
- Relations established: 1992
- Legation/embassy established: 1992
- First ambassador: Harry J. Gilmore
- Relations ended: —

Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
- Consulate:
- Recognized: 1940
- Relations established: 1940
- Legation/embassy established: 1940
- First ambassador: Clarence E. Gauss
  Clarence E. Gauss
  Clarence Edward Gauss was an American diplomat. Gauss was born in Washington, D.C., as the son of Herman Gauss and Emile J. Gauss. He married Rebecca Louise Barker in 1917. He was a Republican and a Protestant....
- Relations ended: —

Austrian Empire
Austrian Empire
The Austrian Empire was a modern era successor empire, which was centered on what is today's Austria and which officially lasted from 1804 to 1867. It was followed by the Empire of Austria-Hungary, whose proclamation was a diplomatic move that elevated Hungary's status within the Austrian Empire...
- Consulate: 1797
- Recognized: 1838
- Relations established: 1838
- Legation/embassy established: 1838
- First ambassador: Henry A. Muhlenberg
- Relations ended: 1917
- Notes:

On April 8, 1917, Austro-Hungarian Empire severed diplomatic relations with the United States. Several months later, on December 7, 1917, the United States declared war upon Austria-Hungary.

Austria
Austria
Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...
- Consulate:
- Recognized: 1921
- Relations established: 1921
- Legation/embassy established: 1921
- First ambassador: Albert Henry Washburn
- Relations ended: —
- Notes:

Relations with Austria were broken in 1938 after the Anschluss
Anschluss
The Anschluss , also known as the ', was the occupation and annexation of Austria into Nazi Germany in 1938....

and resumed in 1946.

Azerbaijan
Azerbaijan
Azerbaijan , officially the Republic of Azerbaijan is the largest country in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west, and Iran to...
- Consulate:
- Recognized: 1991
- Relations established: 1992
- Legation/embassy established: 1992
- First ambassador: Robert Finn
- Relations ended: —

Baden, Grand Duchy of
Grand Duchy of Baden
The Grand Duchy of Baden was a historical state in the southwest of Germany, on the east bank of the Rhine. It existed between 1806 and 1918.-History:...
- Consulate: 1832
- Recognized: 1832
- Relations established: 1832
- Legation/embassy established: 1833*
- First ambassador: C.F. Hoyer (Consul)
- Relations ended: 1917
- Notes:

Relations were with the Grand Duchy of Baden were severed in 1917 when the U. S. entered WWI.

Bahamas
The Bahamas
The Bahamas , officially the Commonwealth of the Bahamas, is a nation consisting of 29 islands, 661 cays, and 2,387 islets . It is located in the Atlantic Ocean north of Cuba and Hispaniola , northwest of the Turks and Caicos Islands, and southeast of the United States...
- Consulate:
- Recognized: 1973
- Relations established: 1973
- Legation/embassy established: 1973
- First ambassador: Moncrieff J. Spear
- Relations ended: —

Bahrain
Bahrain
' , officially the Kingdom of Bahrain , is a small island state near the western shores of the Persian Gulf. It is ruled by the Al Khalifa royal family. The population in 2010 stood at 1,214,705, including 235,108 non-nationals. Formerly an emirate, Bahrain was declared a kingdom in 2002.Bahrain is...
- Consulate:
- Recognized: 1971
- Relations established: 1971
- Legation/embassy established: 1971
- First ambassador: Joseph W. Twinam (1974)
- Relations ended: —

Bangladesh
Bangladesh
Bangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...
- Consulate: 1949
- Recognized: 1972
- Relations established: 1972
- Legation/embassy established: 1972
- First ambassador: Davis Eugene Boster
- Relations ended: —
- Notes:

The consulate in Dhaka
Dhaka
Dhaka is the capital of Bangladesh and the principal city of Dhaka Division. Dhaka is a megacity and one of the major cities of South Asia. Located on the banks of the Buriganga River, Dhaka, along with its metropolitan area, had a population of over 15 million in 2010, making it the largest city...

was established when Bangladesh was a province of Pakistan known as East Pakistan
East Pakistan
East Pakistan was a provincial state of Pakistan established in 14 August 1947. The provincial state existed until its declaration of independence on 26 March 1971 as the independent nation of Bangladesh. Pakistan recognized the new nation on 16 December 1971. East Pakistan was created from Bengal...

.

Barbados
Barbados
Barbados is an island country in the Lesser Antilles. It is in length and as much as in width, amounting to . It is situated in the western area of the North Atlantic and 100 kilometres east of the Windward Islands and the Caribbean Sea; therein, it is about east of the islands of Saint...
- Consulate: 1823
- Recognized: 1966
- Relations established: 1966
- Legation/embassy established: 1966
- First ambassador: Frederick Rand Mann (1967)
- Relations ended: —
- Notes:

The U. S. consulate in Barbados was established when Barbados was British colony.

Bavaria
Kingdom of Bavaria
The Kingdom of Bavaria was a German state that existed from 1806 to 1918. The Bavarian Elector Maximilian IV Joseph of the House of Wittelsbach became the first King of Bavaria in 1806 as Maximilian I Joseph. The monarchy would remain held by the Wittelsbachs until the kingdom's dissolution in 1918...
- Consulate: 1833
- Recognized: 1833
- Relations established: 1833
- Legation/embassy established: —
- First ambassador: Robert de Ruedorffer (Consul)
- Relations ended: 1917
- Notes:

George Bancroft
George Bancroft
George Bancroft was an American historian and statesman who was prominent in promoting secondary education both in his home state and at the national level. During his tenure as U.S. Secretary of the Navy, he established the United States Naval Academy at Annapolis in 1845...

was the U. S minister to Prussia
Prussia
Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...

and was specially accredited to Bavaria, but was not the official minister.
Relations with Bavaria were severed in 1917 when the U. S. entered WWI.

Belarus
Belarus
Belarus , officially the Republic of Belarus, is a landlocked country in Eastern Europe, bordered clockwise by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Its capital is Minsk; other major cities include Brest, Grodno , Gomel ,...
- Consulate:
- Recognized: 1991
- Relations established: 1991
- Legation/embassy established: 1992
- First ambassador: David Heywood Swartz
- Relations ended: —
- Notes:

U. S. Ambassador Karen B. Stewart was recalled in 2008. no ambassador has been appointed.

Belgium
Belgium
Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...
- Consulate:
- Recognized: 1832
- Relations established: 1832
- Legation/embassy established: 1832
- First ambassador: John Jacob Seibels (1854)
- Relations ended: —
- Notes:

A series of chargés d’affaires represented the U. S. in Belgium until 1854 when the first ranking minister was appointed.
The United States closed its embassy in Brussels on July 15, 1940, after the German invasion of Belgium. The embassy was reopened September 14, 1944. During the war, relations were maintained with the government-in-exile in London.

Belize
Belize
Belize is a constitutional monarchy and the northernmost country in Central America. Belize has a diverse society, comprising many cultures and languages. Even though Kriol and Spanish are spoken among the population, Belize is the only country in Central America where English is the official...
- Consulate: 1847
- Recognized: 1981
- Relations established: 1981
- Legation/embassy established: 1981
- First ambassador: Malcolm R. Barnebey
  Malcolm R. Barnebey
  Malcolm Richard Barnebey is an American diplomat and the first U.S. ambassador to Belize.Born in Omaha, Nebraska in 1927, he graduated from North Texas State University with a B.A. in 1949 and an M.A., 1951. His foreign languages are Spanish and German.Mr. Barnebey served in the United States Army...
- Relations ended: —

Benin
Benin
Benin , officially the Republic of Benin, is a country in West Africa. It borders Togo to the west, Nigeria to the east and Burkina Faso and Niger to the north. Its small southern coastline on the Bight of Benin is where a majority of the population is located...
- Consulate:
- Recognized: 1960
- Relations established: 1960
- Legation/embassy established: 1961
- First ambassador: R. Borden Reams
- Relations ended: —
- Notes:

Ambassador Reams was commissioned to Dahomey
Dahomey
Dahomey was a country in west Africa in what is now the Republic of Benin. The Kingdom of Dahomey was a powerful west African state that was founded in the seventeenth century and survived until 1894. From 1894 until 1960 Dahomey was a part of French West Africa. The independent Republic of Dahomey...

, Ivory Coast, Niger
Niger
Niger , officially named the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east...

, and Upper Volta
Republic of Upper Volta
The Republic of Upper Volta was established on December 11, 1958, as a self-governing colony within the French Community. Before attaining autonomy it had been French Upper Volta and part of the French Union. On August 5, 1960 it attained full independence from France.Thomas Sankara came to power...

while resident in Abidjan
Abidjan
Abidjan is the economic and former official capital of Côte d'Ivoire, while the current capital is Yamoussoukro. it was the largest city in the nation and the third-largest French-speaking city in the world, after Paris, and Kinshasa but before Montreal...

.
Benin was known as Dahomey until 1975.

Bhutan
Bhutan
Bhutan , officially the Kingdom of Bhutan, is a landlocked state in South Asia, located at the eastern end of the Himalayas and bordered to the south, east and west by the Republic of India and to the north by the People's Republic of China...
- Consulate: —
- Recognition: —
- Diplomatic relations: —
- First ambassador: —
- Relations ended: —
- Notes:

There is no record of U. S. recognition of Bhutan and the U. S. does not maintain diplomatic relations with Bhutan. The U.S. Embassy in New Delhi
New Delhi
New Delhi is the capital city of India. It serves as the centre of the Government of India and the Government of the National Capital Territory of Delhi. New Delhi is situated within the metropolis of Delhi. It is one of the nine districts of Delhi Union Territory. The total area of the city is...

, India, has consular responsibilities for Bhutan. Informal contact is maintained through the U.S. Embassy and the Bhutanese Embassy in New Delhi.

Bolivia
Bolivia
Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...
- Consulate:
- Recognized: 1848
- Relations established: 1849
- Legation/embassy established: 1849
- First ambassador: John W. Dana
  John W. Dana
  John W. Dana was the 19th and 21st Governor of Maine.- Early life :Dana was born in Fryeburg, Maine on June 21, 1808. He studied in local schools and at the Fryeburg Academy. He started his career as a businessman....
  
  (1854)
- Relations ended: —
- Notes:

A series of chargés represented the U. S. to Bolivia until the first ranking minister was appointed in 1854.
See also Peru–Bolivia Confederation.

Bosnia and Herzegovina
Bosnia and Herzegovina
Bosnia and Herzegovina , sometimes called Bosnia-Herzegovina or simply Bosnia, is a country in Southern Europe, on the Balkan Peninsula. Bordered by Croatia to the north, west and south, Serbia to the east, and Montenegro to the southeast, Bosnia and Herzegovina is almost landlocked, except for the...
- Consulate:
- Recognized: 1992
- Relations established: 1992
- Legation/embassy established: 1993
- First ambassador: Victor Jackovich
  Victor Jackovich
  Victor Jackovich is an American diplomat and former ambassador who was the first United States Ambassador to Bosnia and Herzegovina. He later became Ambassador to Slovenia.-Early life and education:...
- Relations ended: —

Botswana
Botswana
Botswana, officially the Republic of Botswana , is a landlocked country located in Southern Africa. The citizens are referred to as "Batswana" . Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966...
- Consulate:
- Recognized: 1966
- Relations established: 1966
- Legation/embassy established: 1966
- First ambassador: Charles J. Nelson (1971)
- Relations ended: —
- Notes:

Until 1979 one ambassador was accredited to Botswana, Swaziland
Swaziland
Swaziland, officially the Kingdom of Swaziland , and sometimes called Ngwane or Swatini, is a landlocked country in Southern Africa, bordered to the north, south and west by South Africa, and to the east by Mozambique...

, and Lesotho
Lesotho
Lesotho , officially the Kingdom of Lesotho, is a landlocked country and enclave, surrounded by the Republic of South Africa. It is just over in size with a population of approximately 2,067,000. Its capital and largest city is Maseru. Lesotho is a member of the Commonwealth of Nations. The name...

while resident at Gaborone
Gaborone
' is the capital and largest city of Botswana with a population of 191,776 based on a 2006 survey, about 10% of the total population of Botswana....

.

Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...
- Consulate:
- Recognized: 1824
- Relations established: 1824
- Legation/embassy established: 1825
- First ambassador: William Hunter (1842)
- Relations ended: —
- Notes:

A series of chargés represented the U. S. to Brazil until the first first ranking minister was appointed in 1842.

Brunei
Brunei
Brunei , officially the State of Brunei Darussalam or the Nation of Brunei, the Abode of Peace , is a sovereign state located on the north coast of the island of Borneo, in Southeast Asia...
- Consulate: 1865
- Recognized: 1984
- Relations established: 1984
- Legation/embassy established: 1984
- First ambassador: Barrington King
- Relations ended: —

Brunswick-Lüneburg, Duchy of
- Consulate: 1856
- Recognized: 1848
- Relations established: —
- Legation/embassy established: —
- First ambassador: —
- Relations ended: 1916
- Notes:

The United States and the Duchy recognized each other but never established diplomatic relation. The Duchy joined the North German Confederation
North German Confederation
The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...

in 1867 and thus ceased to handle its own foreign affairs.

Bulgaria
Bulgaria
Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...
- Consulate: 1912
- Recognized: 1908
- Relations established: 1903
- Legation/embassy established: 1919
- First ambassador: John Ridgely Carter (1910)
- Relations ended: —
- Notes:

A series of representatives with the title Diplomatic Agent represented the U. S. in Bulgaria until the first ranking minister was appointed in 1910.
The first ministers were accredited to Romania, Serbia, and Bulgaria, while resident at Bucharest
Bucharest
Bucharest is the capital municipality, cultural, industrial, and financial centre of Romania. It is the largest city in Romania, located in the southeast of the country, at , and lies on the banks of the Dâmbovița River....

, Romania.
Bulgaria severed diplomatic relations with the U. S. in 1941. Relations were reestablished in 1947 and the legation was reopened. Relations were again severed in 1950 and resumed in 1959.

Burkina Faso
Burkina Faso
Burkina Faso – also known by its short-form name Burkina – is a landlocked country in west Africa. It is surrounded by six countries: Mali to the north, Niger to the east, Benin to the southeast, Togo and Ghana to the south, and Côte d'Ivoire to the southwest.Its size is with an estimated...
- - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: R. Borden Reams
  - Relations ended: —
  - Notes:
1. Burkina Faso was known as Upper Volta
  Republic of Upper Volta
  The Republic of Upper Volta was established on December 11, 1958, as a self-governing colony within the French Community. Before attaining autonomy it had been French Upper Volta and part of the French Union. On August 5, 1960 it attained full independence from France.Thomas Sankara came to power...
  
  Until 1984.
2. Ambassador Reams was commissioned to Dahomey, Ivory Coast, Niger, and Upper Volta while resident in Abidjan.
- Burma
  - Consulate:
  - Recognized: 1948
  - Relations established: 1947
  - Legation/embassy established: 1947
  - First ambassador: J. Klahr Huddle
    J. Klahr Huddle
    Jerome Klahr Huddle of Ohio served as United States Ambassador to Burma from October 1947 to November 1949.-External links:* http://www.state.gov/r/pa/ho/po/com/10404.htm...
  - Relations ended: —
  - Notes:
1. In 1989 the government of Burma changed the name of the country to Myanmar
  Myanmar
  Burma , officially the Republic of the Union of Myanmar , is a country in Southeast Asia. Burma is bordered by China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, India on the northwest, the Bay of Bengal to the southwest, and the Andaman Sea on the south....
  
  , but the U.S. and other nations do not recognize the legitimacy of the government and hence the change of name.
- Burundi
  Burundi
  Burundi , officially the Republic of Burundi , is a landlocked country in the Great Lakes region of Eastern Africa bordered by Rwanda to the north, Tanzania to the east and south, and the Democratic Republic of the Congo to the west. Its capital is Bujumbura...
  - Consulate:
  - Recognized: 1962
  - Relations established: 1962
  - Legation/embassy established: 1962
  - First ambassador: Donald A. Dumont
  - Relations ended: —
- Cambodia
  Cambodia
  Cambodia , officially known as the Kingdom of Cambodia, is a country located in the southern portion of the Indochina Peninsula in Southeast Asia...
  - Consulate:
  - Recognized: 1950
  - Relations established: 1950
  - Legation/embassy established: 1950
  - First ambassador: Donald R. Heath
    Donald R. Heath
    Donald Read Heath was a member of the United States Foreign Service for more than four decades including service as the Ambassador to Cambodia , Laos , Vietnam , Lebanon and Saudi Arabia...
  - Relations ended: —
  - Notes:
1. Cambodia severed diplomatic relations with the U. S. in 1965 and restored relations in 1969. Relations were again broken in 1975 and reestablished in 1991.
- Cameroon
  Cameroon
  Cameroon, officially the Republic of Cameroon , is a country in west Central Africa. It is bordered by Nigeria to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Cameroon's coastline lies on the...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Leland Barrows
    Leland Barrows
    Leland Judd Barrows was an American ambassador to Cameroon and Togo. He was born in Hutchinson, Kansas. He married Mabel Irene Conley on March 21, 1935....
  - Relations ended: —
- Canada
  Canada
  Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
  - Consulate:
  - Recognized: 1927
  - Relations established: 1927
  - Legation/embassy established: 1927
  - First ambassador: William Phillips
    William Phillips (diplomat)
    William Phillips was a career United States diplomat who served twice as an Under Secretary of State....
  - Relations ended: —
  - Notes:
1. Until 1926 Canada was a part of the British Empire, with its foreign relations managed by the British Foreign Office.
- Cape Verde
  Cape Verde
  The Republic of Cape Verde is an island country, spanning an archipelago of 10 islands located in the central Atlantic Ocean, 570 kilometres off the coast of Western Africa...
  - Consulate:
  - Recognized: 1975
  - Relations established: 1975
  - Legation/embassy established: 1978
  - First ambassador: Melissa F. Wells
    Melissa F. Wells
    Melissa Foelsch Wells is a diplomat and former United States Ambassador to Cape Verde and Guinea-Bissau , Mozambique , Congo-Kinshasa , and Estonia . She is a member of the American Academy of Diplomacy.Wells is the daughter of opera singer and film actress Miliza Korjus .-References:...
    
    (1976)
  - Relations ended: —
  - Notes:
1. Until 1983 one ambassador was accredited to Guinea-Bissau and Cape Verde while resident at Bissau. In 1983 the first ambassador was appointed solely accredited to Cape Verde.
- Central African Republic
  Central African Republic
  The Central African Republic , is a landlocked country in Central Africa. It borders Chad in the north, Sudan in the north east, South Sudan in the east, the Democratic Republic of the Congo and the Republic of the Congo in the south, and Cameroon in the west. The CAR covers a land area of about ,...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1961
  - First ambassador: W. Wendell Blancke
  - Relations ended: —
  - Notes:
1. Ambassador Blancke was commissioned to Central African Republic, Chad
  Chad
  Chad , officially known as the Republic of Chad, is a landlocked country in Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic to the south, Cameroon and Nigeria to the southwest, and Niger to the west...
  
  , Republic of the Congo
  Republic of the Congo
  The Republic of the Congo , sometimes known locally as Congo-Brazzaville, is a state in Central Africa. It is bordered by Gabon, Cameroon, the Central African Republic, the Democratic Republic of the Congo , the Angolan exclave province of Cabinda, and the Gulf of Guinea.The region was dominated by...
  
  , and Gabon
  Gabon
  Gabon , officially the Gabonese Republic is a state in west central Africa sharing borders with Equatorial Guinea to the northwest, Cameroon to the north, and with the Republic of the Congo curving around the east and south. The Gulf of Guinea, an arm of the Atlantic Ocean is to the west...
  
  , while resident in Brazzaville
  Brazzaville
  -Transport:The city is home to Maya-Maya Airport and a railway station on the Congo-Ocean Railway. It is also an important river port, with ferries sailing to Kinshasa and to Bangui via Impfondo...
  
  .
- Central America, Federal Republic of
  Federal Republic of Central America
  The Federal Republic of Central America, known as the United Provinces of Central America in its first year of creation, was a sovereign state in Central America, which consisted of the territories of the former Captaincy General of Guatemala of New Spain...
  - Consulate:
  - Recognized: 1824
  - Relations established: 1824
  - Legation/embassy established: 1826
  - First ambassador: John Williams
    John Williams (Tennessee)
    John Williams was an American lawyer, soldier, and statesman, operating primarily out of Knoxville, Tennessee, in the first part of the 19th century. He represented Tennessee in the United States Senate from 1815 to 1823, when he lost reelection to Andrew Jackson. Williams also served as colonel...
  - Relations ended: 1840
  - Notes:
1. The Federal Republic of Central America
  Federal Republic of Central America
  The Federal Republic of Central America, known as the United Provinces of Central America in its first year of creation, was a sovereign state in Central America, which consisted of the territories of the former Captaincy General of Guatemala of New Spain...
  
  (República Federal de Centroamérica) was a short-lived union of the present-day states of Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica. Later Los Altos
  Los Altos, Central America
  Los Altos was an area of Central America, which was added as a sixth state to the Federal Republic of Central America in the 1830s. Its capital was Quetzaltenango...
  
  was added, with its capital in Quetzaltenango
  Quetzaltenango
  Quetzaltenango, also commonly known by its indigenous name, Xelajú , or more commonly, Xela , is the second largest city of Guatemala. It is both the capital of Quetzaltenango Department and the municipal seat of Quetzaltenango municipality....
  
  – occupying parts of what are now the western highlands of Guatemala and Chiapas
  Chiapas
  Chiapas officially Estado Libre y Soberano de Chiapas is one of the 31 states that, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 118 municipalities and its capital city is Tuxtla Gutierrez. Other important cites in Chiapas include San Cristóbal de las...
  
  state in southern Mexico. The federation was founded in 1823, effectively dissolved in 1840, and formally ended in 1841.
2. The Federation dissolved by 1840, although the last diplomatic agent, William S. Murphy, did not leave his post until 1842.
3. Between 1844 and 1853, the U. S. government recognized the individual members of the Federation.
- Chad
  Chad
  Chad , officially known as the Republic of Chad, is a landlocked country in Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic to the south, Cameroon and Nigeria to the southwest, and Niger to the west...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1961
  - First ambassador: W. Wendell Blancke
  - Relations ended: —
  - Notes:
1. Ambassador Blancke was commissioned to Central African Republic, Chad, Republic of the Congo, and Gabon, while resident in Brazzaville.
2. The U. S. Embassy N'Djamena
  N'Djamena
  N'Djamena is the capital and largest city of Chad. A port on the Chari River, near the confluence with the Logone River, it directly faces the Cameroonian town of Kousséri, to which the city is connected by a bridge. It is also a special statute region, divided in 10 arrondissements. It is a...
  
  was closed 1980–82 due to war, although diplomatic relations were not broken.
- Chile
  Chile
  Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...
  - Consulate:
  - Recognized: 1823
  - Relations established: 1824
  - Legation/embassy established: 1824
  - First ambassador: Heman Allen
    Heman Allen (of Colchester)
    Heman Allen was a U.S. Representative from Colchester, Vermont.Born in Poultney, Vermont, Allen attended the common schools. He graduated from Dartmouth College in 1795, studied law, was admitted to the bar, and commenced practice in Colchester...
  - Relations ended: —
- China
  China
  Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
  - Consulate:
  - Recognized: 1844
  - Relations established: 1844
  - Legation/embassy established: 1844
  - First ambassador: Caleb Cushing
    Caleb Cushing
    Caleb Cushing was an American diplomat who served as a U.S. Congressman from Massachusetts and Attorney General under President Franklin Pierce.-Early life:...
  - Relations ended: —
  - Notes:
1. 1949: The U. S. embassy moved to Taipei
  Taipei
  Taipei City is the capital of the Republic of China and the central city of the largest metropolitan area of Taiwan. Situated at the northern tip of the island, Taipei is located on the Tamsui River, and is about 25 km southwest of Keelung, its port on the Pacific Ocean...
  
  , Formosa when the Nationalist government
  Republic of China
  The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...
  
  fled to Formosa.
2. 1973: The U. S. Liaison Office opened in Beijing.
3. 1979: The U. S. withdrew diplomatic recognition from the Nationalist government in Taipei and recognized the PRC government in Beijing.
- Colombia
  Colombia
  Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...
  - Consulate: 1823
  - Recognized: 1822
  - Relations established: 1822
  - Legation/embassy established: 1823
  - First ambassador: Richard Clough Anderson, Jr.
    Richard Clough Anderson, Jr.
    Richard Clough Anderson, Jr. was an American lawyer, politician, and diplomat from Jefferson County, Kentucky. He served as a member of the United States House of Representatives from Kentucky....
  - Relations ended: —
- Comoros
  Comoros
  The Comoros , officially the Union of the Comoros is an archipelago island nation in the Indian Ocean, located off the eastern coast of Africa, on the northern end of the Mozambique Channel, between northeastern Mozambique and northwestern Madagascar...
  - Consulate:
  - Recognized: 1977
  - Relations established: 1977
  - Legation/embassy established: 1985
  - First ambassador: Fernando Enrique Rondon
  - Relations ended: —
  - Notes:
1. The U. S. Ambassador to Madagascar is also accredited to Comoros while resident in Antananarivo
  Antananarivo
  Antananarivo , formerly Tananarive , is the capital and largest city in Madagascar. It is also known by its French colonial shorthand form Tana....
  
  .
2. The American Embassy at Moroni
  Moroni, Comoros
  -References:...
  
  was closed in 1993. Subsequent U. S. ambassadors to Comoros also have been accredited to Mauritius
  Mauritius
  Mauritius , officially the Republic of Mauritius is an island nation off the southeast coast of the African continent in the southwest Indian Ocean, about east of Madagascar...
  
  , and resident at Port Louis
  Port Louis
  -Economy:The economy is dominated by its port, which handles Mauritius' international trade. The port was founded by the French who preferred Port Louis as the City is shielded by the Port Louis/Moka mountain range. It is the largest container handling facility in the Indian Ocean and can...
  
  .
- Congo Free State
  Congo Free State
  The Congo Free State was a large area in Central Africa which was privately controlled by Leopold II, King of the Belgians. Its origins lay in Leopold's attracting scientific, and humanitarian backing for a non-governmental organization, the Association internationale africaine...
  - Consulate:
  - Recognized: 1885
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1908
  - Notes:
1. The U. S. recognized the Congo Free State as the Independent State of Congo. The U. S. and the Congo Free State never established diplomatic relations. The Congo Free State was annexed as a colony by Belgium in 1908, which ended its existence as an independent sovereign state.
- Congo, Democratic Republic of
  Democratic Republic of the Congo
  The Democratic Republic of the Congo is a state located in Central Africa. It is the second largest country in Africa by area and the eleventh largest in the world...
  
  (Kinshasa)
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Clare H. Timberlake
  - Relations ended: —
- Congo, Republic of
  Republic of the Congo
  The Republic of the Congo , sometimes known locally as Congo-Brazzaville, is a state in Central Africa. It is bordered by Gabon, Cameroon, the Central African Republic, the Democratic Republic of the Congo , the Angolan exclave province of Cabinda, and the Gulf of Guinea.The region was dominated by...
  
  (Brazzaville)
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: W. Wendell Blancke
  - Relations ended: —
  - Notes:
1. Ambassador Blancke was commissioned to Central African Republic, Chad, Republic of the Congo, and Gabon, while resident in Brazzaville.
2. Diplomatic relations between the Republic of the Congo and the U. S. were suspended in 1965 and restored in 1977.
- Costa Rica
  Costa Rica
  Costa Rica , officially the Republic of Costa Rica is a multilingual, multiethnic and multicultural country in Central America, bordered by Nicaragua to the north, Panama to the southeast, the Pacific Ocean to the west and the Caribbean Sea to the east....
  - Consulate:
  - Recognized: 1849
  - Relations established: 1855
  - Legation/embassy established: 1898
  - First ambassador: Solon Borland
    Solon Borland
    Solon Borland was a newspaperman, soldier, diplomat, Democratic United States Senator from the State of Arkansas and a Confederate officer during the American Civil War.-Early life:...
    
    /Mirabeau B. Lamar
    Mirabeau B. Lamar
    Mirabeau Buonaparte Lamar was a Texas politician, diplomat and soldier who was a leading Texas political figure during the Texas Republic era. He was the second President of the Republic of Texas, after David G. Burnet and Sam Houston.-Early years:Lamar grew up at Fairfield, his father's...
  - Relations ended: —
  - Notes:
1. Ambassador Borland was commissioned to Costa Rica but never presented credentials there.
2. Ambassador Lamar was the first official ambassador, having presented his credentials in 1858. Lamar was accredited to Nicaragua and Costa Rica while resident in Managua.
3. Diplomatic relations were interrupted in 1917 following a military coup d’état. Relations were resumed in 1920.
- Cote D'Ivoire
  Côte d'Ivoire
  The Republic of Côte d'Ivoire or Ivory Coast is a country in West Africa. It has an area of , and borders the countries Liberia, Guinea, Mali, Burkina Faso and Ghana; its southern boundary is along the Gulf of Guinea. The country's population was 15,366,672 in 1998 and was estimated to be...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: R. Borden Reams
  - Relations ended: —
  - Notes:
1. Ambassador Reams was commissioned to Dahomey, Ivory Coast, Niger, and Upper Volta while resident in Abidjan.
- Croatia
  Croatia
  Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...
  - Consulate:
  - Recognized: 1992
  - Relations established: 1992
  - Legation/embassy established: 1992
  - First ambassador: Peter W. Galbraith
    Peter W. Galbraith
    Peter Woodard Galbraith is an author, academic, commentator, policy advisor, and former United States diplomat. In the late 1980s and early 1990s, he helped uncover Saddam Hussein's gassing of the Kurds. From 1993 to 1998, he served as the first U.S...
    
    (1993)
  - Relations ended: —
- Cuba
  Cuba
  The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...
  - Consulate:
  - Recognized: 1902
  - Relations established: 1902
  - Legation/embassy established: 1902
  - First ambassador: Herbert G. Squiers
    Herbert G. Squiers
    Herbert Goldsmith Squiers was a United States diplomat, serving as Minister to Cuba , and Panama and as well as a Second Lieutenant in the United States Army.-Biography:...
  - Relations ended: 1961
  - Notes:
1. The United States severed diplomatic relations with Cuba on January 3, 1961.
- Cyprus
  Cyprus
  Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Fraser Wilkins
  - Relations ended: —
- Czechoslovakia
  Czechoslovakia
  Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...
  - Consulate: 1869
  - Recognized: 1918
  - Relations established: 1918
  - Legation/embassy established: 1919
  - First ambassador: Richard Crane
    Richard Crane (diplomat)
    Richard Teller Crane, II, was the first United States diplomat accredited to Czechoslovakia with the title Envoy Extraordinary and Minister Plenipotentiary. He received a recess appointment from President Woodrow Wilson on April 23, 1919 and was subsequently confirmed by the United States Senate...
  - Relations ended: 1992
  - Notes:
1. 1941–45: During WWII, the U. S. maintained diplomatic relations with the government-in-exile of Czechoslovakia in London.
2. Relations with Czechoslovakia ended in 1992 with the dissolution of the nation into the Czech Republic
  Czech Republic
  The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....
  
  and Slovakia
  Slovakia
  The Slovak Republic is a landlocked state in Central Europe. It has a population of over five million and an area of about . Slovakia is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south...
  
  .
- Czech Republic
  Czech Republic
  The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....
  - Consulate:
  - Recognized: 1993
  - Relations established: 1993
  - Legation/embassy established: 1993
  - First ambassador: Adrian A. Basora
    Adrian A. Basora
    Adrian Anthony Basora is an American diplomat, and former United States Ambassador to the Czech Republic. He is currently a senior fellow at the Foreign Policy Research Institute researching democratization in the post-Communist states of Europe and Central Asia, and a member of the Council on...
  - Relations ended: —
  - Notes:
1. Ambassador Basora had been the U. S. ambassador to Czechoslovakia and continued as ambassador to the Czech Republic.
- Denmark
  Denmark
  Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...
  - Consulate: 1792
  - Recognized: 1792
  - Relations established: 1801
  - Legation/embassy established: 1827
  - First ambassador: Henry Wheaton
  - Relations ended: —
  - Notes:
1. 1941–45: During WWII, the U. S. maintained diplomatic relations with the government-in-exile of Denmark in Ottawa, Ontario, Canada.
- Djibouti
  Djibouti
  Djibouti , officially the Republic of Djibouti , is a country in the Horn of Africa. It is bordered by Eritrea in the north, Ethiopia in the west and south, and Somalia in the southeast. The remainder of the border is formed by the Red Sea and the Gulf of Aden at the east...
  - Consulate:
  - Recognized: 1977
  - Relations established: 1977
  - Legation/embassy established: 1977
  - First ambassador: Jerrold M. North (1980)
  - Relations ended: —
- Dominica
  Dominica
  Dominica , officially the Commonwealth of Dominica, is an island nation in the Lesser Antilles region of the Caribbean Sea, south-southeast of Guadeloupe and northwest of Martinique. Its size is and the highest point in the country is Morne Diablotins, which has an elevation of . The Commonwealth...
  - Consulate:
  - Recognized: 1978
  - Relations established: 1979
  - Legation/embassy established: —
  - First ambassador: Sally Angela Shelton (Sally Shelton-Colby
    Sally Shelton-Colby
    Sally Shelton-Colby is a Democratic American diplomat. She was Ambassador of the United States to Barbados, Grenada and Dominica as well as Minister to St Lucia, and Special Representative to Antigua, St. Christopher-Nevis-Anguilla, and St. Vincent from 1979 to 1981, under Jimmy...
    
    )
  - Relations ended: —
  - Notes:
1. The U. S. does not maintain an embassy in Dominica. The U. S. Ambassador in Barbados
  United States Ambassador to Barbados and the Eastern Caribbean
  The Ambassador of the United States to Barbados and the Eastern Caribbean is the official title of the U.S. Ambassador to several island nations of the Caribbean. The ambassador concurrently represents the United States to Antigua and Barbuda, Barbados, Dominica, Grenada, St. Kitts and Nevis, St....
  
  in Bridgetown
  Bridgetown
  The city of Bridgetown , metropolitan pop 96,578 , is the capital and largest city of the nation of Barbados. Formerly, the Town of Saint Michael, the Greater Bridgetown area is located within the parish of Saint Michael...
  
  is also accredited to Dominica.
- Dominican Republic
  Dominican Republic
  The Dominican Republic is a nation on the island of La Hispaniola, part of the Greater Antilles archipelago in the Caribbean region. The western third of the island is occupied by the nation of Haiti, making Hispaniola one of two Caribbean islands that are shared by two countries...
  - Consulate:
  - Recognized: 1866
  - Relations established: 1884
  - Legation/embassy established: 1904
  - First ambassador: Thomas Cleland Dawson
    Thomas Cleland Dawson
    Thomas Cleland Dawson was a career United States diplomat. After an early career as a lawyer and a newspaper publisher, he entered the diplomatic service in 1891, when he was appointed Secretary of Legation in Brazil. He was U.S...
  - Relations ended: —
  - Notes:
1. A series of chargés d’affaires represented the U. S. at the embassy in Santo Domingo until the first minister resident/consul general was appointed in 1904.
2. Until 1904 the U. S. Minister to Haiti was also accredited as the Chargé d’Affaires to the Dominican Republic.
- East Timor
  East Timor
  The Democratic Republic of Timor-Leste, commonly known as East Timor , is a state in Southeast Asia. It comprises the eastern half of the island of Timor, the nearby islands of Atauro and Jaco, and Oecusse, an exclave on the northwestern side of the island, within Indonesian West Timor...
  
  – see Timor-Leste
- Ecuador
  Ecuador
  Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...
  - Consulate: 1825
  - Recognized: 1832
  - Relations established: 1848
  - Legation/embassy established: 1848
  - First ambassador: Philo White (1853)
  - Relations ended: —
  - Notes:
1. A series of chargés d’affaires represented the U. S. at the embassy in Quito
  Quito
  San Francisco de Quito, most often called Quito , is the capital city of Ecuador in northwestern South America. It is located in north-central Ecuador in the Guayllabamba river basin, on the eastern slopes of Pichincha, an active stratovolcano in the Andes mountains...
  
  until the first minister resident was appointed in 1853.
- Egypt
  Egypt
  Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...
  - Consulate:
  - Recognized: 1922
  - Relations established: 1922
  - Legation/embassy established: 1922
  - First ambassador: J. Morton Howell
  - Relations ended: —
  - Notes:
1. Egypt and Syria united to form a new state, the United Arab Republic
  United Arab Republic
  The United Arab Republic , often abbreviated as the U.A.R., was a sovereign union between Egypt and Syria. The union began in 1958 and existed until 1961, when Syria seceded from the union. Egypt continued to be known officially as the "United Arab Republic" until 1971. The President was Gamal...
  
  (UAR) in 1958. The U. S. recognized the UAR immediately. The U. S. embassy in Damascus was reclassified as a Consulate General. Syria seceded from the Union in 1961; however, Egypt continued to be known officially as the United Arab Republic until 1971.
2. Egypt severed diplomatic relations with the U. S. during the Six-Day War
  Six-Day War
  The Six-Day War , also known as the June War, 1967 Arab-Israeli War, or Third Arab-Israeli War, was fought between June 5 and 10, 1967, by Israel and the neighboring states of Egypt , Jordan, and Syria...
  
  . Normal relations were restored in 1974. During the interruption of relations, the U. S. was represented by a U. S. Interests Section in the Embassy of Spain.
- El Salvador
  El Salvador
  El Salvador or simply Salvador is the smallest and the most densely populated country in Central America. The country's capital city and largest city is San Salvador; Santa Ana and San Miguel are also important cultural and commercial centers in the country and in all of Central America...
  - Consulate:
  - Recognized: 1849
  - Relations established: 1863
  - Legation/embassy established: 1863
  - First ambassador: James R. Partridge
  - Relations ended: —
  - Notes:
1. Diplomatic relations were handled through the Greater Republic of Central America 1896–98.
2. Relations were interrupted on December 4, 1931, when the United States did not recognize the new revolutionary government of El Salvador. Normal relations were resumed in 1934.
- Equatorial Guinea
  Equatorial Guinea
  Equatorial Guinea, officially the Republic of Equatorial Guinea where the capital Malabo is situated.Annobón is the southernmost island of Equatorial Guinea and is situated just south of the equator. Bioko island is the northernmost point of Equatorial Guinea. Between the two islands and to the...
  - Consulate:
  - Recognized: 1968
  - Relations established: 1968
  - Legation/embassy established: 1969
  - First ambassador: Albert W. Sherer, Jr.
    Albert W. Sherer, Jr.
    Albert William Sherer, Jr. was an American diplomat. In 1938 he received a B.A. from Yale University and an LL.B. in 1941 from Harvard University. He served in the U.S. Army Air Force from 1941 to 1945....
  - Relations ended: —
  - Notes:
1. The U. S. suspended diplomatic relations with Equatorial Guinea in 1976 after the U. S. ambassador and consul had been declared personae non gratae
  Persona non grata
  Persona non grata , literally meaning "an unwelcome person", is a legal term used in diplomacy that indicates a proscription against a person entering the country...
  
  . Normal relations were resumed in 1979.
2. The U. S. embassy in Malabo
  Malabo
  Malabo is the capital of Equatorial Guinea, located on the northern coast of Bioko Island on the rim of a sunken volcano....
  
  was closed in 1995 and its functions transferred to the embassy in Yaoundé
  Yaoundé
  -Transportation:Yaoundé Nsimalen International Airport is a major civilian hub, while nearby Yaoundé Airport is used by the military. Railway lines run west to the port city of Douala and north to N'Gaoundéré. Many bus companies operate from the city; particularly in the Nsam and Mvan neighborhoods...
  
  , Cameroon
  Cameroon
  Cameroon, officially the Republic of Cameroon , is a country in west Central Africa. It is bordered by Nigeria to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Cameroon's coastline lies on the...
  
  . The ambassador to Cameroon was also accredited to Equatorial Guinea while resident in Yaoundé. The embassy in Malabo was reopened in 2004 with the ambassador solely accredited to Equatorial Guinea.
- Eritrea
  Eritrea
  Eritrea , officially the State of Eritrea, is a country in the Horn of Africa. Eritrea derives it's name from the Greek word Erethria, meaning 'red land'. The capital is Asmara. It is bordered by Sudan in the west, Ethiopia in the south, and Djibouti in the southeast...
  - Consulate:
  - Recognized: 1993
  - Relations established: 1993
  - Legation/embassy established: 1993
  - First ambassador: Robert Gordon Houdek
  - Relations ended: —
- Estonia
  Estonia
  Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...
  
  (1)
  - Consulate:
  - Recognized: 1922
  - Relations established: 1922
  - Legation/embassy established: 1922
  - First ambassador: Robert P. Skinner
  - Relations ended: 1940
  - Notes:
1. The first ambassadors were accredited to Estonia, Latvia, and Lithuania, while resident in Riga
  Riga
  Riga is the capital and largest city of Latvia. With 702,891 inhabitants Riga is the largest city of the Baltic states, one of the largest cities in Northern Europe and home to more than one third of Latvia's population. The city is an important seaport and a major industrial, commercial,...
  
  , Latvia.
2. The legation in Tallinn
  Tallinn
  Tallinn is the capital and largest city of Estonia. It occupies an area of with a population of 414,940. It is situated on the northern coast of the country, on the banks of the Gulf of Finland, south of Helsinki, east of Stockholm and west of Saint Petersburg. Tallinn's Old Town is in the list...
  
  was closed in 1940 following the Soviet occupation of the Baltic states. The U. S. never recognized the government of Estonia under Soviet occupation.
- Estonia
  Estonia
  Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...
  
  (2)
  - Consulate:
  - Recognized: 1991
  - Relations established: 1991
  - Legation/embassy established: 1991
  - First ambassador: Robert C. Frasure
    Robert C. Frasure
    Robert C. Frasure was an American diplomat and the first United States Ambassador to Estonia following Estonia's regained independence from the Soviet Union.-Biography:...
  - Relations ended: —
  - Notes:
1. The U. S. recognized the government of Estonia in 1991 after the collapse of the Soviet Union, reestablished diplomatic relations, and reopened the old legation in Tallinn as an embassy.
- Ethiopia
  Ethiopia
  Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...
  - Consulate:
  - Recognized: 1903
  - Relations established: 1903
  - Legation/embassy established: 1909
  - First ambassador: Hoffman Philip
  - Relations ended: —
  - Notes:
1. The U. S. Legation in Addis Ababa
  Addis Ababa
  Addis Ababa is the capital city of Ethiopia...
  
  was closed and diplomatic personnel were withdrawn following the Italian occupation of Ethiopia
  Italian East Africa
  Italian East Africa was an Italian colonial administrative subdivision established in 1936, resulting from the merger of the Ethiopian Empire with the old colonies of Italian Somaliland and Italian Eritrea. In August 1940, British Somaliland was conquered and annexed to Italian East Africa...
  
  in 1937. The U. S. never recognized Italian authority in Ethiopia. The legation was reopened and a new Minister Resident/Consul was appointed in 1943.
2. In July 1980, the U.S. ambassador to Ethiopia was recalled at the request of the Ethiopian Government, and the U.S. Embassy in Ethiopia and the Ethiopian Embassy in the United States were headed by chargés d'affaires until 1993.
- Fiji
  Fiji
  Fiji , officially the Republic of Fiji , is an island nation in Melanesia in the South Pacific Ocean about northeast of New Zealand's North Island...
  - Consulate: 1844
  - Recognized: 1970
  - Relations established: 1971
  - Legation/embassy established: 1971
  - First ambassador: Kenneth Franzheim II
    Kenneth Franzheim II
    Kenneth Franzheim II was a Houston oilman, philanthropist, and envoy. He served under U.S. President Richard Nixon as the United States Ambassador to New Zealand, Western Samoa, Tonga and Fiji from 1969 to 1972....
  - Relations ended: —
  - Notes:
1. The first ambassadors were accredited to New Zealand
  New Zealand
  New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...
  
  , Fiji, and Tonga
  Tonga
  Tonga, officially the Kingdom of Tonga , is a state and an archipelago in the South Pacific Ocean, comprising 176 islands scattered over of ocean in the South Pacific...
  
  , while resident at Wellington, New Zealand.
2. The first ambassador resident in Suva
  Suva
  Suva features a tropical rainforest climate under the Koppen climate classification. The city sees a copious amount of precipitation during the course of the year. Suva averages 3,000 mm of precipitation annually with its driest month, July averaging 125 mm of rain per year. In fact,...
  
  , Fiji was appointed in 1978. He was also accredited to Tonga and Tuvalu.
- Finland
  Finland
  Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...
  - Consulate:
  - Recognized: 1919
  - Relations established: 1919
  - Legation/embassy established: 1920
  - First ambassador: Charles L. Kagey (1921)
  - Relations ended: —
  - Notes:
1. The United States severed diplomatic relations with Finland on 1944, as result of Finland’s alliance with Germany against the Soviet Union. Relations were reestablished in 1945.
- France
  France
  The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
  - Consulate: 1778
  - Recognized: 1778
  - Relations established: 1778
  - Legation/embassy established: 1779
  - First ambassador: Benjamin Franklin
    Benjamin Franklin
    Dr. Benjamin Franklin was one of the Founding Fathers of the United States. A noted polymath, Franklin was a leading author, printer, political theorist, politician, postmaster, scientist, musician, inventor, satirist, civic activist, statesman, and diplomat...
  - Relations ended: —
  - Notes:
1. Diplomatic relations with France were severed in 1798 as a result of the XYZ Affair
  XYZ Affair
  The XYZ Affair was a 1798 diplomatic episode during the administration of John Adams that Americans interpreted as an insult from France. It led to an undeclared naval war called the Quasi-War, which raged at sea from 1798 to 1800...
  
  . Relations were restored in 1801.
2. U. S.–France diplomatic relations were severed in 1942 at the direction of the French Vichy government
  Vichy France
  Vichy France, Vichy Regime, or Vichy Government, are common terms used to describe the government of France that collaborated with the Axis powers from July 1940 to August 1944. This government succeeded the Third Republic and preceded the Provisional Government of the French Republic...
  
  . The U. S. recognized the Provisional Government of the French Republic
  Provisional Government of the French Republic
  The Provisional Government of the French Republic was an interim government which governed France from 1944 to 1946, following the fall of Vichy France and prior to the Fourth French Republic....
  
  in Algiers in 1944. Normal diplomatic relations with France were restored, and the U. S. embassy in Paris was reopened in December 1944.
- Gabon
  Gabon
  Gabon , officially the Gabonese Republic is a state in west central Africa sharing borders with Equatorial Guinea to the northwest, Cameroon to the north, and with the Republic of the Congo curving around the east and south. The Gulf of Guinea, an arm of the Atlantic Ocean is to the west...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1961
  - First ambassador: W. Wendell Blancke
  - Relations ended: —
  - Notes:
1. Ambassador Blancke was commissioned to Central African Republic, Chad, Republic of the Congo, and Gabon, while resident in Brazzaville.
- Gambia, The
  The Gambia
  The Republic of The Gambia, commonly referred to as The Gambia, or Gambia , is a country in West Africa. Gambia is the smallest country on mainland Africa, surrounded by Senegal except for a short coastline on the Atlantic Ocean in the west....
  - Consulate:
  - Recognized: 1965
  - Relations established: 1965
  - Legation/embassy established: 1965
  - First ambassador: Mercer Cook
  - Relations ended: —
- Genoa, Republic of
  Republic of Genoa
  The Most Serene Republic of Genoa |Ligurian]]: Repúbrica de Zêna) was an independent state from 1005 to 1797 in Liguria on the northwestern Italian coast, as well as Corsica from 1347 to 1768, and numerous other territories throughout the Mediterranean....
  - Consulate: 1791
  - Recognized: 1791
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1805
  - Notes:
1. The Republic of Genoa recognized the U. S. in 1791. There is no clear record of reciprocation by the U. S., but President Washington accredited the Republic’s Consul General in 1791. The U. S. and the Republic never established diplomatic relations. Genoa was annexed by France in 1805 and ceased to exist.
- Georgia
  Georgia (country)
  Georgia is a sovereign state in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded to the west by the Black Sea, to the north by Russia, to the southwest by Turkey, to the south by Armenia, and to the southeast by Azerbaijan. The capital of...
  - Consulate:
  - Recognized: 1991
  - Relations established: 1992
  - Legation/embassy established: 1992
  - First ambassador: Kent N. Brown
  - Relations ended: —
- German Confederation
  German Confederation
  The German Confederation was the loose association of Central European states created by the Congress of Vienna in 1815 to coordinate the economies of separate German-speaking countries. It acted as a buffer between the powerful states of Austria and Prussia...
  - Consulate:
  - Recognized: 1848
  - Relations established: 1848
  - Legation/embassy established: 1848
  - First ambassador: Andrew J. Donelson
  - Relations ended: 1867
  - Notes:
1. The short-lived German Confederation was absorbed into the North German Confederation in 1867.
  - German Confederation, North
    North German Confederation
    The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...
    - Consulate:
    - Recognized: 1867
    - Relations established: 1868
    - Legation/embassy established: —
    - First ambassador: George Bancroft
      George Bancroft
      George Bancroft was an American historian and statesman who was prominent in promoting secondary education both in his home state and at the national level. During his tenure as U.S. Secretary of the Navy, he established the United States Naval Academy at Annapolis in 1845...
    - Relations ended: 1871
    - Notes:
2. Ambassador Bancroft was also the ambassador to Prussia
  Prussia
  Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...
  
  .
3. The North German Union was abolished by the creation of the German Empire in 1871.
- Germany
  Germany
  Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
  
  (Prussia
  Prussia
  Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...
  
  )
  - Consulate:
  - Recognized: 1797
  - Relations established: 1797
  - Legation/embassy established: 1797
  - First ambassador: John Quincy Adams
    John Quincy Adams
    John Quincy Adams was the sixth President of the United States . He served as an American diplomat, Senator, and Congressional representative. He was a member of the Federalist, Democratic-Republican, National Republican, and later Anti-Masonic and Whig parties. Adams was the son of former...
  - Relations ended: 1871
  - Notes:
1. Prussia became part of the German Empire in 1871.
- Germany
  Germany
  Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
  
  (German Empire
  German Empire
  The German Empire refers to Germany during the "Second Reich" period from the unification of Germany and proclamation of Wilhelm I as German Emperor on 18 January 1871, to 1918, when it became a federal republic after defeat in World War I and the abdication of the Emperor, Wilhelm II.The German...
  
  )
  - Consulate: 1871
  - Recognized: 1871
  - Relations established: 1871
  - Legation/embassy established: 1871
  - First ambassador: George Bancroft
    George Bancroft
    George Bancroft was an American historian and statesman who was prominent in promoting secondary education both in his home state and at the national level. During his tenure as U.S. Secretary of the Navy, he established the United States Naval Academy at Annapolis in 1845...
  - Relations ended: 1917
  - Notes:
1. The U. S. severed diplomatic relations with the German Empire in 1917. The U. S. declared war on Germany shortly thereafter.
- Germany
  Germany
  Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
  
  (1918–1941)
  - Consulate:
  - Recognized: 1921
  - Relations established: 1921
  - Legation/embassy established: 1921
  - First ambassador: Alanson B. Houghton
    Alanson B. Houghton
    Alanson Bigelow Houghton was an American businessman, politician, and diplomat who served as a Congressman and Ambassador. He was a member of the Republican Party.-Early life and business career:...
  - Relations ended: 1941
  - Notes:
1. Diplomatic relations with the Germany were broken off when Germany declared war on the U. S. in December 1941.
2. Mutual recognition between the U. S. and Germany was established by the Treaty of Berlin in 1921.
- Germany, East (German Democratic Republic)
  - Consulate:
  - Recognized: 1974
  - Relations established: 1974
  - Legation/embassy established: 1974
  - First ambassador: John Sherman Cooper
  - Relations ended: 1990
  - Notes:
1. The German Democratic Republic ceased to exist on October 3, 1990 when it was absorbed into the Federal Republic of Germany (West Germany).
- Germany
  Germany
  Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
  - Consulate:
  - Recognized: 1949
  - Relations established: 1955
  - Legation/embassy established: 1955
  - First ambassador: James Bryant Conant
    James Bryant Conant
    James Bryant Conant was a chemist, educational administrator, and government official. As thePresident of Harvard University he reformed it as a research institution.-Biography :...
  - Relations ended: —
  - Notes:
1. The U. S. embassy in Bonn
  Bonn
  Bonn is the 19th largest city in Germany. Located in the Cologne/Bonn Region, about 25 kilometres south of Cologne on the river Rhine in the State of North Rhine-Westphalia, it was the capital of West Germany from 1949 to 1990 and the official seat of government of united Germany from 1990 to 1999....
  
  moved to Berlin
  Berlin
  Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...
  
  in 1999.
- Ghana
  Ghana
  Ghana , officially the Republic of Ghana, is a country located in West Africa. It is bordered by Côte d'Ivoire to the west, Burkina Faso to the north, Togo to the east, and the Gulf of Guinea to the south...
  - Consulate:
  - Recognized: 1957
  - Relations established: 1957
  - Legation/embassy established: 1957
  - First ambassador: Peter Rutter
  - Relations ended: —
  - Notes:
1. Ghana was known as Gold Coast until independence in 1957.
- Greece
  Greece
  Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....
  - Consulate: 1837
  - Recognized: 1837
  - Relations established: 1868
  - Legation/embassy established: 1868
  - First ambassador: Charles K. Tuckerman
    Charles K. Tuckerman
    Charles K Tuckerman was an American diplomat and writer. He was born in the United States, but spent most of his working life working in Hong Kong and Greece.- Family :...
  - Relations ended: —
  - Notes:
1. The U. S. Embassy in Athens was closed in 1941 after the German occupation of Greece, and reopened in 1944. During wartime the U. S. maintained diplomatic relations with the government-in-exile of Greece in London (1941–43) and then in Cairo (1943–44).
- Grenada
  Grenada
  Grenada is an island country and Commonwealth Realm consisting of the island of Grenada and six smaller islands at the southern end of the Grenadines in the southeastern Caribbean Sea...
  - Consulate:
  - Recognized: 1975
  - Relations established: 1974
  - Legation/embassy established: 1984
  - First ambassador: Theodore R. Britton, Jr.
  - Relations ended: —
  - Notes:
1. The ambassador to Grenada is accredited to Grenada and Barbados, while resident at Bridgetown, Barbados.
- Guatemala
  Guatemala
  Guatemala is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, and Honduras and El Salvador to the southeast...
  - Consulate:
  - Recognized: 1844
  - Relations established: 1849
  - Legation/embassy established: 1849
  - First ambassador: Solon Borland
    Solon Borland
    Solon Borland was a newspaperman, soldier, diplomat, Democratic United States Senator from the State of Arkansas and a Confederate officer during the American Civil War.-Early life:...
    
    (1855)
  - Relations ended: —
  - Notes:
1. The U. S. had previously recognized Guatemala in 1924 as a part of the Federal Republic of Central America
  Federal Republic of Central America
  The Federal Republic of Central America, known as the United Provinces of Central America in its first year of creation, was a sovereign state in Central America, which consisted of the territories of the former Captaincy General of Guatemala of New Spain...
  
  .
2. A series of chargés d’affaires represented the U. S. until 1855.
3. Relations with Guatemala were interrupted briefly in June, 1954, following a coup d’état. In July the U. S. recognized the new government and reestablished diplomatic relations.
- Guinea
  Guinea
  Guinea , officially the Republic of Guinea , is a country in West Africa. Formerly known as French Guinea , it is today sometimes called Guinea-Conakry to distinguish it from its neighbour Guinea-Bissau. Guinea is divided into eight administrative regions and subdivided into thirty-three prefectures...
  - Consulate:
  - Recognized: 1958
  - Relations established: 1959
  - Legation/embassy established: 1959
  - First ambassador: John H. Morrow
    John H. Morrow
    John Howard Morrow was an American diplomat. In 1959, President Dwight Eisenhower appointed him the first Ambassador to independent Guinea. He became the first representative of the United States in the United Nations Educational, Scientific and Cultural Organization during the administration...
  - Relations ended: —
- Guinea-Bissau
  Guinea-Bissau
  The Republic of Guinea-Bissau is a country in West Africa. It is bordered by Senegal to the north, and Guinea to the south and east, with the Atlantic Ocean to its west....
  - Consulate:
  - Recognized: 1974
  - Relations established: 1975
  - Legation/embassy established: 1976
  - First ambassador: Melissa F. Wells
    Melissa F. Wells
    Melissa Foelsch Wells is a diplomat and former United States Ambassador to Cape Verde and Guinea-Bissau , Mozambique , Congo-Kinshasa , and Estonia . She is a member of the American Academy of Diplomacy.Wells is the daughter of opera singer and film actress Miliza Korjus .-References:...
  - Relations ended: —
- Guyana
  Guyana
  Guyana , officially the Co-operative Republic of Guyana, previously the colony of British Guiana, is a sovereign state on the northern coast of South America that is culturally part of the Anglophone Caribbean. Guyana was a former colony of the Dutch and of the British...
  - Consulate:
  - Recognized: 1966
  - Relations established: 1966
  - Legation/embassy established: 1966
  - First ambassador: Delmar R. Carlson
  - Relations ended: —
- Haiti
  Haiti
  Haiti , officially the Republic of Haiti , is a Caribbean country. It occupies the western, smaller portion of the island of Hispaniola, in the Greater Antillean archipelago, which it shares with the Dominican Republic. Ayiti was the indigenous Taíno or Amerindian name for the island...
  - Consulate:
  - Recognized: 1862
  - Relations established: 1862
  - Legation/embassy established: 1862
  - First ambassador: Benjamin F. Whidden
  - Relations ended: —
  - Notes:
1. Whidden’s title was Commissioner and Consul General. The first Minister was Henry E. Peck in 1866.
2. Until 1904 the minister to Haiti was also accredited as the chargé d’affaires to the Dominican Republic.
- Hanover, Kingdom of
  Kingdom of Hanover
  The Kingdom of Hanover was established in October 1814 by the Congress of Vienna, with the restoration of George III to his Hanoverian territories after the Napoleonic era. It succeeded the former Electorate of Brunswick-Lüneburg , and joined with 38 other sovereign states in the German...
  - Consulate:
  - Recognized: 1830
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1866
  - Notes:
1. The U. S. never established diplomatic relations with the Kingdom of Hanover. The Kingdom was conquered by Prussia in 1866 and ceased to exist.
- Hanseatic Republics (Bremen
  Bremen
  The City Municipality of Bremen is a Hanseatic city in northwestern Germany. A commercial and industrial city with a major port on the river Weser, Bremen is part of the Bremen-Oldenburg metropolitan area . Bremen is the second most populous city in North Germany and tenth in Germany.Bremen is...
  
  , Lübeck
  Lübeck
  The Hanseatic City of Lübeck is the second-largest city in Schleswig-Holstein, in northern Germany, and one of the major ports of Germany. It was for several centuries the "capital" of the Hanseatic League and, because of its Brick Gothic architectural heritage, is listed by UNESCO as a World...
  
  , Hamburg
  Hamburg
  -History:The first historic name for the city was, according to Claudius Ptolemy's reports, Treva.But the city takes its modern name, Hamburg, from the first permanent building on the site, a castle whose construction was ordered by the Emperor Charlemagne in AD 808...
  
  )
  - Consulate: 1794
  - Recognized: 1790–94
  - Relations established: 1853
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1868
  - Notes:
1. No U. S. minister or envoy was appointed; only consuls were appointed. Relations with the Hanseatic Republics ended in 1868 when the republics joined the North German Confederation
  North German Confederation
  The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...
  
  .
- Hawaii, Kingdom of
  Kingdom of Hawaii
  The Kingdom of Hawaii was established during the years 1795 to 1810 with the subjugation of the smaller independent chiefdoms of Oahu, Maui, Molokai, Lānai, Kauai and Niihau by the chiefdom of Hawaii into one unified government...
  - Consulate: 1820
  - Recognized: 1826
  - Relations established: 1853
  - Legation/embassy established: 1853
  - First ambassador: David L. Gregg
  - Relations ended: 1898
  - Notes:
1. Gregg’s title was Commissioner to the Kingdom of Hawaii. Gregg’s predecessors were titled Commissioner to the Sandwich Islands. The office was not titled Legation until 1853.
2. In 1863 the rank of the Commissioner was raised to Minister Resident with the appointment of James McBride
  James McBride (politician)
  James McBride was an American politician, educator, and patriarch of a political family in the state of Oregon. A native of Tennessee, he served in the Oregon Territorial Legislature and as United States Minister to Hawaii, as well as one of the founders of the Oregon Republican Party...
  
  .
3. Diplomatic relations with the Kingdom of Hawaii ended in 1898 when Hawaii was annexed to the United States.
- Hesse
  Hesse
  Hesse or Hessia is both a cultural region of Germany and the name of an individual German state.* The cultural region of Hesse includes both the State of Hesse and the area known as Rhenish Hesse in the neighbouring Rhineland-Palatinate state...
  - Consulate: 1829
  - Recognized: 1829
  - Relations established: 1829
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1917
  - Notes:
1. George Bancroft
  George Bancroft
  George Bancroft was an American historian and statesman who was prominent in promoting secondary education both in his home state and at the national level. During his tenure as U.S. Secretary of the Navy, he established the United States Naval Academy at Annapolis in 1845...
  
  , who was the minister to Prussia was given special accreditation to Hesse.
2. Hesse joined the German Empire in 1871. Diplomatic relations with the German Empire were broken upon entry of the U. S. into WWI in 1917.
- Holy See
  Holy See
  The Holy See is the episcopal jurisdiction of the Catholic Church in Rome, in which its Bishop is commonly known as the Pope. It is the preeminent episcopal see of the Catholic Church, forming the central government of the Church. As such, diplomatically, and in other spheres the Holy See acts and...
  
  (see also Papal States)
  - Consulate: 1797
  - Recognized: 1984
  - Relations established: 1984
  - Legation/embassy established: 1984
  - First ambassador: William A. Wilson
    William A. Wilson
    William Albert Wilson was an American diplomat and businessman from Los Angeles.-Early years:His father was an engineer in the oil-tool business and his mother a Canadian...
  - Relations ended: —
  - Notes:
1. The U. S. maintained consular relations with the Papal States
  Papal States
  The Papal State, State of the Church, or Pontifical States were among the major historical states of Italy from roughly the 6th century until the Italian peninsula was unified in 1861 by the Kingdom of Piedmont-Sardinia .The Papal States comprised territories under...
  
  1797–1870.
2. The U. S. has been represented at the Holy See since the early 20th century. Previous representatives had been titled Personal Representative of the President.
- Honduras
  Honduras
  Honduras is a republic in Central America. It was previously known as Spanish Honduras to differentiate it from British Honduras, which became the modern-day state of Belize...
  - Consulate:
  - Recognized: 1853
  - Relations established: 1853
  - Legation/embassy established: 1856
  - First ambassador: Solon Borland
    Solon Borland
    Solon Borland was a newspaperman, soldier, diplomat, Democratic United States Senator from the State of Arkansas and a Confederate officer during the American Civil War.-Early life:...
  - Relations ended: —
  - Notes:
1. Honduras had been recognized in 1824 as part of the Federal Republic of Central America
  Federal Republic of Central America
  The Federal Republic of Central America, known as the United Provinces of Central America in its first year of creation, was a sovereign state in Central America, which consisted of the territories of the former Captaincy General of Guatemala of New Spain...
  
  . It was recognized independently in 1853.
2. Ambassador Borland was accredited to Honduras, Costa Rica, Nicaragua, and El Salvador, but he did not present his credentials in Tegucigalpa
  Tegucigalpa
  Tegucigalpa , and commonly referred as Tegus , is the capital of Honduras and seat of government of the Republic, along with its twin sister Comayagüela. Founded on September 29, 1578 by the Spanish, it became the country's capital on October 30, 1880 under President Marco Aurelio Soto...
  
  .
- Hungary
  Hungary
  Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...
  - Consulate: 1869
  - Recognized: 1921
  - Relations established: 1921
  - Legation/embassy established: 1921
  - First ambassador: Theodore Brentano
    Theodore Brentano
    Theodore Brentano was an American attorney and judge and the first U.S. ambassador to Hungary . He was appointed to the position by Warren G. Harding....
    
    (1922)
  - Relations ended: —
  - Notes:
1. Hungary severed diplomatic relations on December 11, 1941 and declared war on the U. S. on December 13. Relations were restored in January 1945.
2. Diplomatic relations were interrupted in 1956 following the Soviet suppression of the Hungarian Revolution of 1956. From 1957 until 1967, no ambassador was commissioned to Hungary, but a series of chargés d’affaires represented the U. S.
- Iceland
  Iceland
  Iceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...
  - Consulate:
  - Recognized: 1944
  - Relations established: 1941
  - Legation/embassy established: 1941
  - First ambassador: Lincoln MacVeagh
    Lincoln MacVeagh
    Lincoln MacVeagh was a distinguished United States soldier, diplomat, businessman, and archaeologist. He served a long career as the United States ambassador to several countries during difficult times.-MacVeagh family:...
  - Relations ended: —
  - Notes:
1. Iceland had been occupied by the U. S. since 1941, at the request of the Icelandic government, in order to forestall a feared German occupation.
- India
  India
  India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
  - Consulate:
  - Recognized: 1947
  - Relations established: 1946
  - Legation/embassy established: 1946
  - First ambassador: Henry F. Grady
    Henry F. Grady
    Henry Francis Grady was an American diplomat. Born in San Francisco, California to John Henry and Ellen Genevieve Grady, he earned a PhD in Economics from Columbia University. On October 18, 1917 he married Lucretia Louise del Valle Henry Francis Grady (February 12, 1882 - September 14, 1957)...
  - Relations ended: —
  - Notes:
1. The U. S. established diplomatic relations and an embassy in 1946, in anticipation of Indian independence in 1947.
- Indonesia
  Indonesia
  Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...
  - Consulate: 1801
  - Recognized: 1949
  - Relations established: 1949
  - Legation/embassy established: 1949
  - First ambassador: Horace M. Cochran
  - Relations ended: —
- Iran
  Iran
  Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...
  - Consulate:
  - Recognized: 1850
  - Relations established: 1883
  - Legation/embassy established: 1883
  - First ambassador: Frederick H. Winston
    Frederick H. Winston
    Frederick Hampden Winston was a prominent American lawyer who was one of the founders of the law firm that is today Winston & Strawn. He served as the American Minister to Persia, 1885-1886.-Biography:...
    
    (1885)
  - Relations ended: 1980
  - Notes:
1. Bayless W. Hanna had been appointed as the first Minister Resident to Persia and took the oath of office, but did not proceed to Persia.
2. The U. S. severed diplomatic relations with Iran in 1980 following the Iran hostage crisis
  Iran hostage crisis
  The Iran hostage crisis was a diplomatic crisis between Iran and the United States where 52 Americans were held hostage for 444 days from November 4, 1979 to January 20, 1981, after a group of Islamist students and militants took over the American Embassy in Tehran in support of the Iranian...
  
  .
- Iraq
  Iraq
  Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....
  - Consulate: 1888
  - Recognized: 1930
  - Relations established: 1931
  - Legation/embassy established: 1931
  - First ambassador: Paul Knabenshue
  - Relations ended: —
  - Notes:
1. Iraq severed diplomatic relations with the U.S. in June 1967 during the 1967 Arab-Israeli Six-Day War
  Six-Day War
  The Six-Day War , also known as the June War, 1967 Arab-Israeli War, or Third Arab-Israeli War, was fought between June 5 and 10, 1967, by Israel and the neighboring states of Egypt , Jordan, and Syria...
  
  . Relations were reestablished in 1984. A U.S. Interests Section was established in the Belgian Embassy in Baghdad in 1972 in the interim.
2. The U. S. and Iraq mutually severed relations in 1991 following the Invasion of Kuwait
  Invasion of Kuwait
  The Invasion of Kuwait, also known as the Iraq-Kuwait War, was a major conflict between the Republic of Iraq and the State of Kuwait, which resulted in the seven-month long Iraqi occupation of Kuwait, which subsequently led to direct military intervention by United States-led forces in the Gulf...
  
  . Diplomatic relations between the U. S. and Iraq were reestablished and the U. S. Embassy was reopened in 2004.
- Ireland
  Ireland
  Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...
  - Consulate:
  - Recognized: 1924
  - Relations established: 1924
  - Legation/embassy established: 1927
  - First ambassador: Frederick A. Sterling
  - Relations ended: —
- Israel
  Israel
  The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...
  - Consulate:
  - Recognized: 1948
  - Relations established: 1949
  - Legation/embassy established: 1949
  - First ambassador: James Grover McDonald
    James Grover McDonald
    James Grover McDonald was a United States diplomat. He served as the first U.S. Ambassador to Israel.He studied at Harvard University.-Offices:*Chairman of the Board, Foreign Policy Association...
  - Relations ended: —
- Italy
  Italy
  Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...
  - Consulate: 1794
  - Recognized: 1861
  - Relations established: 1861
  - Legation/embassy established: 1861
  - First ambassador: George Perkins Marsh
    George Perkins Marsh
    George Perkins Marsh , an American diplomat and philologist, is considered by some to be America's first environmentalist, although "conservationist" would be more accurate...
  - Relations ended: —
  - Notes:
1. The U. S. maintained consulates in numerous Italian cities beginning in 1794.
2. The U. S. Legation was initially at Turin
  Turin
  Turin is a city and major business and cultural centre in northern Italy, capital of the Piedmont region, located mainly on the left bank of the Po River and surrounded by the Alpine arch. The population of the city proper is 909,193 while the population of the urban area is estimated by Eurostat...
  
  , then at Florence
  Florence
  Florence is the capital city of the Italian region of Tuscany and of the province of Florence. It is the most populous city in Tuscany, with approximately 370,000 inhabitants, expanding to over 1.5 million in the metropolitan area....
  
  , and finally moved to Rome in 1871.
3. Diplomatic relations were severed and the American Embassy in Rome was closed on December 11, 1941, after Italy declared war on the United States. Relations were reestablished in 1944 and the embassy was reopened in 1945.
- Jamaica
  Jamaica
  Jamaica is an island nation of the Greater Antilles, in length, up to in width and 10,990 square kilometres in area. It is situated in the Caribbean Sea, about south of Cuba, and west of Hispaniola, the island harbouring the nation-states Haiti and the Dominican Republic...
  - Consulate:
  - Recognized: 1962
  - Relations established: 1962
  - Legation/embassy established: 1962
  - First ambassador: William C. Doherty
  - Relations ended: —
  - Notes:
1. Ambassador Vincent de Roulet was declared persona non grata
  Persona non grata
  Persona non grata , literally meaning "an unwelcome person", is a legal term used in diplomacy that indicates a proscription against a person entering the country...
  
  in 1973 and he was expelled.
- Japan
  Japan
  Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
  - Consulate: 1855
  - Recognized: 1854
  - Relations established: 1858
  - Legation/embassy established: 1859
  - First ambassador: Townsend Harris
    Townsend Harris
    Townsend Harris was a successful New York City merchant and minor politician, and the first United States Consul General to Japan...
  - Relations ended: —
  - Notes:
1. Diplomatic relations between Japan and the United States were mutually severed on December 8, 1941, when both nations declared war on each other in the wake of Japan’s attack on Pearl Harbor
  Attack on Pearl Harbor
  The attack on Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii, on the morning of December 7, 1941...
  
  . Normal diplomatic relations were resumed and the U. S. Embassy was reopened in Tokyo
  Tokyo
  , ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...
  
  in 1952.
- Jordan
  Jordan
  Jordan , officially the Hashemite Kingdom of Jordan , Al-Mamlaka al-Urduniyya al-Hashemiyya) is a kingdom on the East Bank of the River Jordan. The country borders Saudi Arabia to the east and south-east, Iraq to the north-east, Syria to the north and the West Bank and Israel to the west, sharing...
  - Consulate:
  - Recognized: 1949
  - Relations established: 1949
  - Legation/embassy established: 1949
  - First ambassador: Gerald A. Drew
    Gerald A. Drew
    Gerald Augustin Drew was a career Foreign Service Officer.-Biography:Born in San Francisco, California, Drew was a graduate of the University of California, Berkeley where he was a member of Phi Kappa Tau. He served as U.S. Vice Consul in Pará, 1929; Envoy to Jordan, 1950–52; Ambassador to...
    
    (1950)
  - Relations ended: —
- Kazakhstan
  Kazakhstan
  Kazakhstan , officially the Republic of Kazakhstan, is a transcontinental country in Central Asia and Eastern Europe. Ranked as the ninth largest country in the world, it is also the world's largest landlocked country; its territory of is greater than Western Europe...
  - Consulate:
  - Recognized: 1991
  - Relations established: 1992
  - Legation/embassy established: 1992
  - First ambassador: William Harrison Courtney
    William Harrison Courtney
    William Harrison Courtney, or William H. Courtney is an American diplomat, having served as representative for the U.S. mostly in Eastern Europe....
  - Relations ended: —
- Kenya
  Kenya
  Kenya , officially known as the Republic of Kenya, is a country in East Africa that lies on the equator, with the Indian Ocean to its south-east...
  - Consulate:
  - Recognized: 1963
  - Relations established: 1964
  - Legation/embassy established: 1964
  - First ambassador: William Attwood
    William Attwood
    William Hollingsworth Attwood was an American journalist, author, editor and diplomat.Born in Paris, France, he received his education at Choate Rosemary Hall and Princeton University, editing The Daily Princetonian and later serving as a Princeton trustee...
  - Relations ended: —
- Kiribati
  Kiribati
  Kiribati , officially the Republic of Kiribati, is an island nation located in the central tropical Pacific Ocean. The permanent population exceeds just over 100,000 , and is composed of 32 atolls and one raised coral island, dispersed over 3.5 million square kilometres, straddling the...
  - Consulate:
  - Recognized: 1979
  - Relations established: 1980
  - Legation/embassy established: —
  - First ambassador: William Bodde, Jr.
  - Relations ended: —
  - Notes:
1. The first ambassadors were accredited to Fiji, Tonga, Tuvalu, and Kiribati, while resident at Suva, Fiji. There is no U. S. embassy in Kiribati.
- Korea
  Korea
  Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...
  - Consulate:
  - Recognized: 1882
  - Relations established: 1882
  - Legation/embassy established: 1883
  - First ambassador: Lucius H. Foote
  - Relations ended: 1910
  - Notes:
1. Relations between Korea and the U. S. were established by the The Chemulpo Treaty
  Japan–Korea Treaty of 1882
  The Japan-Korea Treaty of 1882, also known as the Treaty of Chemulpo or the Chemulpo Convention, was negotiated between Japan and Korea following the Imo Incident in July 1882.-Background:...
  
  of 1882. Japan annexed Korea in 1910 and relations between the U. S. and Korea were interrupted.
- Korea, North
  North Korea
  The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...
  
  (Democratic People’s Republic of Korea)
  - Consulate:
  - Recognized: —
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: —
  - Notes:
1. At the end of WWII, Korea was split into North and South along the 38th parallel. The Republic of Korea (South Korea) was established in 1948. The U. S. recognized South Korea in 1949 and established diplomatic relations, but never recognized the government of North Korea.
- Korea, South
  South Korea
  The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...
  
  (Republic of Korea)
  - Consulate:
  - Recognized: 1949
  - Relations established: 1949
  - Legation/embassy established: 1949
  - First ambassador: John J. Muccio
  - Relations ended: —
1. At the end of WWII, Korea was split into North and South along the 38th parallel. The Republic of Korea (South Korea) was established in 1948. The U. S. recognized South Korea in 1949 and established diplomatic relations, but never recognized the government of North Korea.
- Kosovo
  Kosovo
  Kosovo is a region in southeastern Europe. Part of the Ottoman Empire for more than five centuries, later the Autonomous Province of Kosovo and Metohija within Serbia...
  - Consulate:
  - Recognized: 2008
  - Relations established: 2008
  - Legation/embassy established: 2008
  - First ambassador: Tina S. Kaidanow
  - Relations ended: —
- Kuwait
  Kuwait
  The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...
  - Consulate: 1951
  - Recognized: 1961
  - Relations established: 1961
  - Legation/embassy established: 1961
  - First ambassador: Parker T. Hart
    Parker T. Hart
    -Biography:Parker T. Hart was born in Medford, Massachusetts on September 28, 1910. He received a B.A. from Dartmouth College in 1933, an M.A. from Harvard University in 1935, and a diploma from the Institute des Hautes Études Internationales in Geneva in 1936. He attended the Edmund A...
  - Relations ended: —
  - Notes:
1. The U. S. Embassy in Kuwait was closed and diplomatic staff were withdrawn in December 1990 due to the Iraqi invasion of Kuwait
  Invasion of Kuwait
  The Invasion of Kuwait, also known as the Iraq-Kuwait War, was a major conflict between the Republic of Iraq and the State of Kuwait, which resulted in the seven-month long Iraqi occupation of Kuwait, which subsequently led to direct military intervention by United States-led forces in the Gulf...
  
  . The embassy was reopened in March 1991.
- Kyrgyzstan
  Kyrgyzstan
  Kyrgyzstan , officially the Kyrgyz Republic is one of the world's six independent Turkic states . Located in Central Asia, landlocked and mountainous, Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the southwest and China to the east...
  - Consulate:
  - Recognized: 1991
  - Relations established: 1991
  - Legation/embassy established: 1992
  - First ambassador: Edward Hurwitz
    Edward Hurwitz
    Edward Hurwitz is an American diplomat. From 1983 to 1986 he was the U.S. chargé d'affaires in Afghanistan, and he served as the first U.S. ambassador to Kyrgyzstan, from 1992 to 1994.-References:...
  - Relations ended: —
- Laos
  Laos
  Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west...
  - Consulate: 1950
  - Recognized: 1950
  - Relations established: 1950
  - Legation/embassy established: 1950
  - First ambassador: Donald R. Heath
    Donald R. Heath
    Donald Read Heath was a member of the United States Foreign Service for more than four decades including service as the Ambassador to Cambodia , Laos , Vietnam , Lebanon and Saudi Arabia...
  - Relations ended: —
  - Notes:
1. Ambassador Heath was concurrently commissioned to Vietnam and Laos, while resident at Saigon. The first resident ambassador was Charles Woodruff Yost
  Charles Woodruff Yost
  Charles Woodruff Yost was a career U.S. diplomat who was assigned as his country's representative to the United Nations from 1969 to 1971.- Biography :Charles Yost was born in Watertown, New York, on November 6, 1907...
  
  in 1954.
2. In 1975, after the establishment of the Communist Lao People’s Democratic Republic, the U. S. recalled the ambassador. A series of chargés d’affaires represented the U. S. in Vientane until 1992 when Charles B. Salmon was appointed ambassador.
- Latvia
  Latvia
  Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...
  
  (1)
  - Consulate:
  - Recognized: 1922
  - Relations established: 1922
  - Legation/embassy established: 1922
  - First ambassador: Frederick W. B. Coleman
  - Relations ended: 1940
  - Notes:
1. The first ambassadors were accredited to Latvia, Estonia, and Lithuania, while resident in Riga
  Riga
  Riga is the capital and largest city of Latvia. With 702,891 inhabitants Riga is the largest city of the Baltic states, one of the largest cities in Northern Europe and home to more than one third of Latvia's population. The city is an important seaport and a major industrial, commercial,...
  
  , Latvia.
2. The U. S. Legation in Riga was closed in 1940 following the Soviet invasion and annexation of the Baltic states. The U. S. government allowed Latvian diplomats to remain in the U. S. and maintained the position that they were the legal representatives of the Latvian government. The U. S. never recognized the Latvian government under the Soviet Union.
- Latvia
  Latvia
  Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...
  
  (2)
  - Consulate:
  - Recognized: 1991
  - Relations established: 1991
  - Legation/embassy established: 1991
  - First ambassador: Ints M. Silins
  - Relations ended: —
  - Notes:
1. In 1991, after the collapse of the Soviet Union, the U. S. recognized Latvia’s independence, restored diplomatic relations, and reopened the embassy.
- Lebanon
  Lebanon
  Lebanon , officially the Republic of LebanonRepublic of Lebanon is the most common term used by Lebanese government agencies. The term Lebanese Republic, a literal translation of the official Arabic and French names that is not used in today's world. Arabic is the most common language spoken among...
  - Consulate: 1942
  - Recognized: 1944
  - Relations established: 1944
  - Legation/embassy established: 1944
  - First ambassador: George Wadsworth
    George Wadsworth (diplomat)
    George Wadsworth II was a United States diplomat, specializing in the Middle East.Wadsworth was born in Buffalo, New York and received a degree in chemical engineering from Union College in Schenectady, New York...
  - Relations ended: —
  - Notes:
1. Ambassador Wadsworth had been serving in Lebanon as Diplomatic Agent/Consul General since 1942. He was promoted to Envoy Extraordinary and Minister Plenipotentiary upon establishment of U.S.–Syria diplomatic relations. He was concurrently commissioned to Lebanon and Syria, while resident in Beirut.
2. The U. S. withdrew all diplomatic personnel and closed the embassy in 1989 due to safety concerns during the Lebanon civil war. The embassy was reopened in 1990 with Ryan Crocker
  Ryan Crocker
  Ryan Clark Crocker is a Career Ambassador within the United States Foreign Service and a recipient of the Presidential Medal of Freedom. He currently is the United States Ambassador to Afghanistan. He was the United States Ambassador to Iraq until 2009; he previously served as the U.S...
  
  as ambassador.
- Lesotho
  Lesotho
  Lesotho , officially the Kingdom of Lesotho, is a landlocked country and enclave, surrounded by the Republic of South Africa. It is just over in size with a population of approximately 2,067,000. Its capital and largest city is Maseru. Lesotho is a member of the Commonwealth of Nations. The name...
  - Consulate:
  - Recognized: 1966
  - Relations established: 1966
  - Legation/embassy established: 1966
  - First ambassador: Charles J. Nelson (1971)
  - Relations ended: —
  - Notes:
1. Until 1979 one ambassador was accredited to Lesotho, Swaziland, and Botswana while resident in Gaborone
  Gaborone
  ' is the capital and largest city of Botswana with a population of 191,776 based on a 2006 survey, about 10% of the total population of Botswana....
  
  , Botswana.
- Lew Chew (Ryūkyū Kingdom
  Ryukyu Kingdom
  The Ryūkyū Kingdom was an independent kingdom which ruled most of the Ryukyu Islands from the 15th century to the 19th century. The Kings of Ryūkyū unified Okinawa Island and extended the kingdom to the Amami Islands in modern-day Kagoshima Prefecture, and the Sakishima Islands near Taiwan...
  
  )
  - Consulate:
  - Recognized: 1854
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1879
  - Notes:
1. The U. S. never established diplomatic relations with the kingdom. Lew Chew was annexed by Japan in 1879 and ceased to exist as a sovereign state.
- Liberia
  Liberia
  Liberia , officially the Republic of Liberia, is a country in West Africa. It is bordered by Sierra Leone on the west, Guinea on the north and Côte d'Ivoire on the east. Liberia's coastline is composed of mostly mangrove forests while the more sparsely populated inland consists of forests that open...
  - Consulate:
  - Recognized: 1862
  - Relations established: 1864
  - Legation/embassy established: 1864
  - First ambassador: Abraham Hanson (Commissioner and Consul General)
  - Relations ended: —
  - Notes:
1. The first representative, Hanson, was titled Commissioner and Consul General. The next envoy was given the title Minister Resident/Consul General.
- Libya
  Libya
  Libya is an African country in the Maghreb region of North Africa bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....
  - Consulate:
  - Recognized: 1951
  - Relations established: 1951
  - Legation/embassy established: 1951
  - First ambassador: Henry Serrano Villard
    Henry Serrano Villard
    Henry Serrano Villard was an American foreign service officer, ambassador, and author.-Life:Henry S. Villard was born in Manhattan, New York City March 30, 1900. He was the great-grandson of William Lloyd Garrison, the prominent American journalist and abolitionist...
    
    (1952)
  - Relations ended: —
  - Notes:
1. No U. S. ambassador had been appointed to Libya since Joseph Palmer
  Joseph Palmer II
  Joseph Palmer II was an American diplomat and State Department official whose career focused on U.S. relations with Africa....
  
  left his post in 1972. A series of chargés d’affaires represented the U. S. until 1980. The U. S. and Libya closed their embassies in 1980 and 1981, respectively, but diplomatic relations were not formally severed. In 2006 the U. S. and Libya formally resumed diplomatic relations. Gene Cretz
  Gene Cretz
  Gene A. Cretz is a career diplomat, who was nominated in July 2007 by President Bush to be the first U.S. Ambassador to Libya since 1972. His nomination was confirmed by the US Senate on November 21, 2008. He was sworn-in as U.S. Ambassador to Libya by Secretary of State Condoleezza Rice on...
  
  was appointed ambassador in 2008.
- Liechtenstein
  Liechtenstein
  The Principality of Liechtenstein is a doubly landlocked alpine country in Central Europe, bordered by Switzerland to the west and south and by Austria to the east. Its area is just over , and it has an estimated population of 35,000. Its capital is Vaduz. The biggest town is Schaan...
  - Consulate:
  - Recognized: 1926
  - Relations established: 1997
  - Legation/embassy established: —
  - First ambassador: Madeleine M. Kunin
    Madeleine M. Kunin
    Madeleine May Kunin is a Swiss-American diplomat and politician. She was the 77th Governor of Vermont from 1985 until 1991, as a member of the Democratic Party. She also served as United States Ambassador to Switzerland from 1996 to 1999. She was Vermont's first and, to date, only female governor...
  - Relations ended: —
  - Notes:
1. Liechtenstein was represented in foreign affairs by Switzerland until 1997. The U. S. ambassador to Switzerland is also accredited to Liechtenstein, while resident in Bern.
- Lithuania
  Lithuania
  Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the biggest of the three Baltic states. It is situated along the southeastern shore of the Baltic Sea, whereby to the west lie Sweden and Denmark...
  
  (1)
  - Consulate:
  - Recognized: 1922
  - Relations established: 1922
  - Legation/embassy established: 1922
  - First ambassador: Frederick W.B. Coleman
  - Relations ended: 1940
  - Notes:
1. The first ambassadors to Lithuania were accredited to Latvia, Lithuania, and Estonia, while resident in Riga, Latvia.
2. The U. S. Legation was closed in August 1940 following the Soviet invasion and annexation of the Baltic states. The U. S. government allowed Lithuanian diplomats to remain in the U. S. and maintained the position that they were the legal representatives of the Lithuanian government. The U. S. never recognized the Lithuanian government under the Soviet Union.
- Lithuania
  Lithuania
  Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the biggest of the three Baltic states. It is situated along the southeastern shore of the Baltic Sea, whereby to the west lie Sweden and Denmark...
  
  (2)
  - Consulate:
  - Recognized: 1991
  - Relations established: 1991
  - Legation/embassy established: 1991
  - First ambassador: Darryl N. Johnson
    Darryl N. Johnson
    Darryl Norman Johnson is a retired American statesman and career Foreign Service Officer who held many positions in American government around the world. Most recently and importantly he was the United States Ambassador to Thailand from 2001–2004...
  - Relations ended: —
  - Notes:
1. Following the collapse of the Soviet Union in 1991, The U. S. recognized the Lithuanian government, resumed diplomatic relations, and reopened the embassy in Vilnius
  Vilnius
  Vilnius is the capital of Lithuania, and its largest city, with a population of 560,190 as of 2010. It is the seat of the Vilnius city municipality and of the Vilnius district municipality. It is also the capital of Vilnius County...
  
  .
- Luxembourg
  Luxembourg
  Luxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...
  - Consulate:
  - Recognized: 1878
  - Relations established: 1903
  - Legation/embassy established: 1903
  - First ambassador: Stanford Newel
  - Relations ended: —
  - Notes:
1. The first ambassador was accredited to the Netherlands and Luxembourg, while resident at The Hague
  The Hague
  The Hague is the capital city of the province of South Holland in the Netherlands. With a population of 500,000 inhabitants , it is the third largest city of the Netherlands, after Amsterdam and Rotterdam...
  
  , Netherlands.
2. In 1940 the U. S. Legation in Luxembourg was closed following the German occupation of Luxembourg
  German occupation of Luxembourg in World War II
  The German occupation of Luxembourg in World War II was the period in the history of Luxembourg after it was used as a transit territory to attack France by outflanking the Maginot Line. Plans for the attack had been prepared by 9 October 1939, but execution was postponed several times...
  
  . The U. S. maintained relations with the government-in-exile of Luxembourg in Ottawa
  Ottawa
  Ottawa is the capital of Canada, the second largest city in the Province of Ontario, and the fourth largest city in the country. The city is located on the south bank of the Ottawa River in the eastern portion of Southern Ontario...
  
  , Canada (1941–43) and then in London (1943–44). The U. S. Legation in Luxembourg was reestablished in September 1944.
- Macedonia
  Republic of Macedonia
  Macedonia , officially the Republic of Macedonia , is a country located in the central Balkan peninsula in Southeast Europe. It is one of the successor states of the former Yugoslavia, from which it declared independence in 1991...
  - Consulate:
  - Recognized: 1994
  - Relations established: 1995
  - Legation/embassy established: 1993
  - First ambassador: Christopher R. Hill
    Christopher R. Hill
    Christopher Robert Hill is an American diplomat who served as the U.S. Ambassador to Iraq.On July 1, 2010, Hill was chosen to be the dean of the Josef Korbel School of International Studies at the University of Denver...
  - Relations ended: —
- Madagascar
  Madagascar
  The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...
  - Consulate: 1874
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Frederic Pearson Bartlett
  - Relations ended: —
  - Notes:
1. U. S. Ambassador Anthony D. Marshall was expelled in 1971. Another ambassador was appointed the following year.
- Malawi
  Malawi
  The Republic of Malawi is a landlocked country in southeast Africa that was formerly known as Nyasaland. It is bordered by Zambia to the northwest, Tanzania to the northeast, and Mozambique on the east, south and west. The country is separated from Tanzania and Mozambique by Lake Malawi. Its size...
  - Consulate:
  - Recognized: 1964
  - Relations established: 1964
  - Legation/embassy established: 1964
  - First ambassador: Samuel Patrick Gilstrap
  - Relations ended: —
- Malaysia
  - Consulate: 1918
  - Recognized: 1957
  - Relations established: 1957
  - Legation/embassy established: 1957
  - First ambassador: Homer Morrison Byington
  - Relations ended: —
  - Notes:
1. Malaysia was recognized as Federation of Malaya in 1957. In 1963 Malaya joined with Singapore
  Singapore
  Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...
  
  , Sarawak
  Sarawak
  Sarawak is one of two Malaysian states on the island of Borneo. Known as Bumi Kenyalang , Sarawak is situated on the north-west of the island. It is the largest state in Malaysia followed by Sabah, the second largest state located to the North- East.The administrative capital is Kuching, which...
  
  , and Sabah
  Sabah
  Sabah is one of 13 member states of Malaysia. It is located on the northern portion of the island of Borneo. It is the second largest state in the country after Sarawak, which it borders on its southwest. It also shares a border with the province of East Kalimantan of Indonesia in the south...
  
  to form the Federation of Malaysia. Henceforth all U.S. ambassadors were accredited to the Federation of Malaysia.
- Maldives
  Maldives
  The Maldives , , officially Republic of Maldives , also referred to as the Maldive Islands, is an island nation in the Indian Ocean formed by a double chain of twenty-six atolls oriented north-south off India's Lakshadweep islands, between Minicoy Island and...
  - Consulate:
  - Recognized: 1965
  - Relations established: 1966
  - Legation/embassy established: —
  - First ambassador: Cecil Burton Lyon
  - Relations ended: —
  - Notes:
1. One ambassador is accredited to the Maldives and Sri Lanka
  Sri Lanka
  Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka is a country off the southern coast of the Indian subcontinent. Known until 1972 as Ceylon , Sri Lanka is an island surrounded by the Indian Ocean, the Gulf of Mannar and the Palk Strait, and lies in the vicinity of India and the...
  
  , while resident in Colombo
  Colombo
  Colombo is the largest city of Sri Lanka. It is located on the west coast of the island and adjacent to Sri Jayawardenapura Kotte, the capital of Sri Lanka. Colombo is often referred to as the capital of the country, since Sri Jayawardenapura Kotte is a satellite city of Colombo...
  
  , Sri Lanka. In 1967 the then-current ambassador to Sri Lanka, Cecil B. Lyon, was given an additional commission to the Maldives. There is no U. S. embassy in Malé
  Malé
  Malé , is the capital and most populous city in the Republic of Maldives. It is located at the southern edge of North Malé Atoll . It is also one of the Administrative divisions of the Maldives. Traditionally it was the King's Island, from where the ancient Maldive Royal dynasties ruled and where...
  
  , Maldives.
- Mali
  Mali
  Mali , officially the Republic of Mali , is a landlocked country in Western Africa. Mali borders Algeria on the north, Niger on the east, Burkina Faso and the Côte d'Ivoire on the south, Guinea on the south-west, and Senegal and Mauritania on the west. Its size is just over 1,240,000 km² with...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Thomas K. Wright
  - Relations ended: —
  - Notes:
1. Henry Serrano Villard
  Henry Serrano Villard
  Henry Serrano Villard was an American foreign service officer, ambassador, and author.-Life:Henry S. Villard was born in Manhattan, New York City March 30, 1900. He was the great-grandson of William Lloyd Garrison, the prominent American journalist and abolitionist...
  
  was commissioned to the Federation of Mali in 1960 but the Federation split apart before Villard could proceed to the post. Villard became the ambassador to Senegal.
- Malta
  Malta
  Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...
  - Consulate:
  - Recognized: 1964
  - Relations established: 1964
  - Legation/embassy established: 1964
  - First ambassador: George J. Feldman (1965)
  - Relations ended: —
- Marshall Islands
  Marshall Islands
  The Republic of the Marshall Islands , , is a Micronesian nation of atolls and islands in the middle of the Pacific Ocean, just west of the International Date Line and just north of the Equator. As of July 2011 the population was 67,182...
  - Consulate:
  - Recognized: 1979
  - Relations established: 1987
  - Legation/embassy established: 1987
  - First ambassador: William Bodde (1990)
  - Relations ended: —
- Mauritania
  Mauritania
  Mauritania is a country in the Maghreb and West Africa. It is bordered by the Atlantic Ocean in the west, by Western Sahara in the north, by Algeria in the northeast, by Mali in the east and southeast, and by Senegal in the southwest...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1962
  - First ambassador: Henry Serrano Villard
    Henry Serrano Villard
    Henry Serrano Villard was an American foreign service officer, ambassador, and author.-Life:Henry S. Villard was born in Manhattan, New York City March 30, 1900. He was the great-grandson of William Lloyd Garrison, the prominent American journalist and abolitionist...
  - Relations ended: —
  - Notes:
1. Mauritania severed diplomatic relations with the United States on June 7, 1967, in the wake of the 1967 Arab-Israeli War
  Six-Day War
  The Six-Day War , also known as the June War, 1967 Arab-Israeli War, or Third Arab-Israeli War, was fought between June 5 and 10, 1967, by Israel and the neighboring states of Egypt , Jordan, and Syria...
  
  , and the U. S. embassy was closed. Relations were resumed in 1969 and Embassy Nouakchott
  Nouakchott
  -Government:The town was first divided into districts in 1973. First it was divided into four. From 1986, the city has been split into nine districts.* Arafat* Dar Naim* El Mina* Ksar* Riad* Sebkha* Tevragh-Zeina* Teyarett* Toujounine...
  
  was reopened in 1970.
- Mauritius
  Mauritius
  Mauritius , officially the Republic of Mauritius is an island nation off the southeast coast of the African continent in the southwest Indian Ocean, about east of Madagascar...
  - Consulate:
  - Recognized: 1968
  - Relations established: 1968
  - Legation/embassy established: 1968
  - First ambassador: David S. King
    David S. King
    David Sjodahl King was a representative from Utah. He was a member of the Democratic Party.- Early life and education :...
  - Relations ended: —
  - Notes:
1. The first ambassador was concurrently commissioned to Madagascar and Mauritius while resident at Antananarivo, Madagascar.
- Mecklenburg-Schwerin, Grand Duchy of
  Mecklenburg-Schwerin
  Mecklenburg-Schwerin was a duchy in northern Germany created in 1348, when Albert II of Mecklenburg and his younger brother John were raised to Dukes of Mecklenburg by King Charles IV...
  - Consulate: 1816
  - Recognized: 1816
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1867
  - Notes:
1. The United States and the Grand Duchy of Mecklenburg-Schwerin never established diplomatic relations. The Grand Duchy joined the North German Confederation
  North German Confederation
  The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...
  
  in 1867, thus ending independent foreign relations.
- Mecklenburg-Strelitz, Grand Duchy of
  Mecklenburg-Strelitz
  Mecklenburg-Strelitz was a duchy and later grand duchy in northern Germany, consisting of the eastern fifth of the historic Mecklenburg region, roughly corresponding with the present-day Mecklenburg-Strelitz district , and the western exclave of the former Bishopric of Ratzeburg in modern...
  - Consulate:
  - Recognized: 1853
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1867
  - Notes:
1. The United States and the Grand Duchy of Mecklenburg-Strelitz never established diplomatic relations. The Grand Duchy joined the North German Confederation
  North German Confederation
  The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...
  
  in 1867 and ceased to exist as a sovereign state.
- Mexico
  Mexico
  The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
  - Consulate:
  - Recognized: 1822
  - Relations established: 1825
  - Legation/embassy established: 1825
  - First ambassador: Joel Roberts Poinsett
    Joel Roberts Poinsett
    Joel Roberts Poinsett was a physician, botanist and American statesman. He was a member of the United States House of Representatives, the first United States Minister to Mexico , a U.S...
  - Relations ended: —
  - Notes:
1. Mexico severed diplomatic relations with the U. S. in 1845 upon the annexation of Texas
  Texas Annexation
  In 1845, United States of America annexed the Republic of Texas and admitted it to the Union as the 28th state. The U.S. thus inherited Texas's border dispute with Mexico; this quickly led to the Mexican-American War, during which the U.S. captured additional territory , extending the nation's...
  
  by the U. S. Relations were reestablished in 1848 following the Treaty of Guadalupe Hidalgo
  Treaty of Guadalupe Hidalgo
  The Treaty of Guadalupe Hidalgo is the peace treaty, largely dictated by the United States to the interim government of a militarily occupied Mexico City, that ended the Mexican-American War on February 2, 1848...
  
  ending the Mexican-American War.
2. Mexico severed diplomatic relations with the U. S. in 1914 following the Tampico Affair
  Tampico Affair
  The Tampico Affair started off as a minor incident involving U.S. sailors and Mexican land forces loyal to General Victoriano Huerta during the guerra de las facciones phase of the Mexican Revolution...
  
  . Diplomatic relations were reestablished in 1917.
- Micronesia
  Micronesia
  Micronesia is a subregion of Oceania, comprising thousands of small islands in the western Pacific Ocean. It is distinct from Melanesia to the south, and Polynesia to the east. The Philippines lie to the west, and Indonesia to the southwest....
  - Consulate:
  - Recognized: 1986
  - Relations established: 1986
  - Legation/embassy established: 1989
  - First ambassador: Aurelia Erskine Brazeal (1990)
  - Relations ended: —
- Moldova
  Moldova
  Moldova , officially the Republic of Moldova is a landlocked state in Eastern Europe, located between Romania to the West and Ukraine to the North, East and South. It declared itself an independent state with the same boundaries as the preceding Moldavian Soviet Socialist Republic in 1991, as part...
  - Consulate:
  - Recognized: 1991
  - Relations established: 1992
  - Legation/embassy established: 1992
  - First ambassador: Mary C. Pendleton
  - Relations ended: —
- Monaco
  Monaco
  Monaco , officially the Principality of Monaco , is a sovereign city state on the French Riviera. It is bordered on three sides by its neighbour, France, and its centre is about from Italy. Its area is with a population of 35,986 as of 2011 and is the most densely populated country in the...
  - Consulate: 1874
  - Recognized: 1865
  - Relations established: 2006
  - Legation/embassy established: —
  - First ambassador: Craig Roberts Stapleton
    Craig Roberts Stapleton
    Craig Roberts Stapleton is a former United States ambassador to France and the Czech Republic.-Biography:Stapleton was born in Kansas City, Missouri. His grandfather, Benjamin F. Stapleton, was a politician who served five terms as mayor of Denver. He received his secondary school education at...
  - Relations ended: —
  - Notes:
1. The U. S. ambassador to France is concurrently accredited to Monaco.
- Mongolia
  Mongolia
  Mongolia is a landlocked country in East and Central Asia. It is bordered by Russia to the north and China to the south, east and west. Although Mongolia does not share a border with Kazakhstan, its western-most point is only from Kazakhstan's eastern tip. Ulan Bator, the capital and largest...
  - Consulate:
  - Recognized: 1987
  - Relations established: 1987
  - Legation/embassy established: 1988
  - First ambassador: Richard Llewellyn Williams
    Richard Llewellyn Williams
    Richard Llewellyn Williams, was a career member of the Senior Foreign Service who, over three decades as a career U.S. diplomat, opened the first American consulate in mainland China since the 1940s , served as the first U.S...
  - Relations ended: —
  - Notes:
1. Diplomatic relations were established during the late Cold War
  Cold War
  The Cold War was the continuing state from roughly 1946 to 1991 of political conflict, military tension, proxy wars, and economic competition between the Communist World—primarily the Soviet Union and its satellite states and allies—and the powers of the Western world, primarily the United States...
  
  era with the Mongolian People's Republic and have continued uninterrupted since the 1990 Democratic Revolution in Mongolia
  1990 Democratic Revolution in Mongolia
  The 1990 Peaceful Democratic Revolution in Mongolia was a democratic revolution that started with hunger strikes to overthrow the Mongolian People's Republic and eventually moved towards the democratic present day Mongolia and the writing of the new constitution. It was spearheaded by mostly...
  
  .
- Montenegro
  Montenegro
  Montenegro Montenegrin: Crna Gora Црна Гора , meaning "Black Mountain") is a country located in Southeastern Europe. It has a coast on the Adriatic Sea to the south-west and is bordered by Croatia to the west, Bosnia and Herzegovina to the northwest, Serbia to the northeast and Albania to the...
  - Consulate:
  - Recognized: 1994
  - Relations established: 1995
  - Legation/embassy established: 1995
  - First ambassador: Christopher R. Hill
    Christopher R. Hill
    Christopher Robert Hill is an American diplomat who served as the U.S. Ambassador to Iraq.On July 1, 2010, Hill was chosen to be the dean of the Josef Korbel School of International Studies at the University of Denver...
  - Relations ended: —
- Morocco
  Morocco
  Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...
  - Consulate: 1797
  - Recognized: 1786
  - Relations established: 1905
  - Legation/embassy established: 1905
  - First ambassador: Samuel Rene Gummere
  - Relations ended: —
  - Notes:
1. 1912–1956: Morocco came under the control of France and Spain as protectorate
  Protectorate
  In history, the term protectorate has two different meanings. In its earliest inception, which has been adopted by modern international law, it is an autonomous territory that is protected diplomatically or militarily against third parties by a stronger state or entity...
  
  s. The United States did not initially recognize the French and Spanish protectorates over Morocco. However, in 1917 upon U.S. entry into the First World War, the U.S. government recognized the protectorates. The U.S. Minister at Tangier was downgraded to the status of Diplomatic Agent. In 1956 the U. S. recognized Morocco’s independence, established an embassy in Rabat
  Rabat
  Rabat , is the capital and third largest city of the Kingdom of Morocco with a population of approximately 650,000...
  
  , and appointed a ranking ambassador, Cavendish W. Cannon
  Cavendish W. Cannon
  Cavendish Wells Cannon was a long-time United States foreign service officer and diplomat.During World War II Cavendish served as the Assistant Chief of the State Department's Division of Southern European Affairs. For a time Cannon's work took him to Syria.He served as U.S...
  
  .
- Mozambique
  Mozambique
  Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...
  - Consulate:
  - Recognized: 1975
  - Relations established: 1975
  - Legation/embassy established: 1975
  - First ambassador: Willard Ames De Pree (1976)
  - Relations ended: —
- Myanmar
  Myanmar
  Burma , officially the Republic of the Union of Myanmar , is a country in Southeast Asia. Burma is bordered by China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, India on the northwest, the Bay of Bengal to the southwest, and the Andaman Sea on the south....
  
  (see Burma)
- Namibia
  Namibia
  Namibia, officially the Republic of Namibia , is a country in southern Africa whose western border is the Atlantic Ocean. It shares land borders with Angola and Zambia to the north, Botswana to the east and South Africa to the south and east. It gained independence from South Africa on 21 March...
  - Consulate:
  - Recognized: 1990
  - Relations established: 1990
  - Legation/embassy established: 1990
  - First ambassador: Willard Ames De Pree
  - Relations ended: —
- Nassau, Duchy of
  Nassau (state)
  Nassau was a German state within the Holy Roman Empire and later in the German Confederation. Its ruling dynasty, now extinct in male line, was the House of Nassau.-Origins:...
  - Consulate: 1853
  - Recognized: 1846
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1866
  - Notes:
1. The U. S. and the Duchy of Nassau never established formal diplomatic relations. As a result of the Austro-Prussian War
  Austro-Prussian War
  The Austro-Prussian War was a war fought in 1866 between the German Confederation under the leadership of the Austrian Empire and its German allies on one side and the Kingdom of Prussia with its German allies and Italy on the...
  
  , the Duchy was absorbed into the Kingdom of Prussia
  Kingdom of Prussia
  The Kingdom of Prussia was a German kingdom from 1701 to 1918. Until the defeat of Germany in World War I, it comprised almost two-thirds of the area of the German Empire...
  
  in 1866 and ceased to exist as a sovereign state.
- Nauru
  Nauru
  Nauru , officially the Republic of Nauru and formerly known as Pleasant Island, is an island country in Micronesia in the South Pacific. Its nearest neighbour is Banaba Island in Kiribati, to the east. Nauru is the world's smallest republic, covering just...
  - Consulate:
  - Recognized: 1974
  - Relations established: 1974
  - Legation/embassy established: —
  - First ambassador: Marshall Green
    Marshall Green
    Marshall Green was a United States diplomat whose career focused on East Asia. Green was the senior American diplomat in South Korea at the time of the 1960 April Revolution, and was United States Ambassador to Indonesia at the time of the Transition to the New Order...
  - Relations ended: —
  - Notes:
1. The first ambassador to Nauru, Marshall Green, was concurrently accredited to Australia and Nauru, while resident at Canberra
  Canberra
  Canberra is the capital city of Australia. With a population of over 345,000, it is Australia's largest inland city and the eighth-largest city overall. The city is located at the northern end of the Australian Capital Territory , south-west of Sydney, and north-east of Melbourne...
  
  .
- Nepal
  Nepal
  Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked sovereign state located in South Asia. It is located in the Himalayas and bordered to the north by the People's Republic of China, and to the south, east, and west by the Republic of India...
  - Consulate:
  - Recognized: 1947
  - Relations established: 1947
  - Legation/embassy established: 1959
  - First ambassador: Henry F. Grady
    Henry F. Grady
    Henry Francis Grady was an American diplomat. Born in San Francisco, California to John Henry and Ellen Genevieve Grady, he earned a PhD in Economics from Columbia University. On October 18, 1917 he married Lucretia Louise del Valle Henry Francis Grady (February 12, 1882 - September 14, 1957)...
  - Relations ended: —
  - Notes:
1. 1947–1959: The first US ambassadors to India were concurrently commissioned to India and Nepal, while resident in New Delhi
  New Delhi
  New Delhi is the capital city of India. It serves as the centre of the Government of India and the Government of the National Capital Territory of Delhi. New Delhi is situated within the metropolis of Delhi. It is one of the nine districts of Delhi Union Territory. The total area of the city is...
  
  . In 1959 an embassy was opened in Kathmandu with an ambassador solely commissioned to Nepal.
- Netherlands
  Netherlands
  The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...
  - Consulate: 1798
  - Recognized: 1781
  - Relations established: 1781
  - Legation/embassy established: 1781
  - First ambassador: John Adams
    John Adams
    John Adams was an American lawyer, statesman, diplomat and political theorist. A leading champion of independence in 1776, he was the second President of the United States...
  - Relations ended: —
  - Notes:
1. Adams was concurrently commissioned to the U. K. and the Netherlands, while resident in London.
2. In 1801 The U. S. closed the legation in The Hague
  The Hague
  The Hague is the capital city of the province of South Holland in the Netherlands. With a population of 500,000 inhabitants , it is the third largest city of the Netherlands, after Amsterdam and Rotterdam...
  
  and withdrew the ambassador. The embassy was reopened and another ambassador was commissioned in 1814 when the Netherlands became independent of France.
3. The U. S. legation in The Hague was closed in 1940 following the German invasion of the Netherlands
  Battle of the Netherlands
  The Battle of the Netherlands was part of Case Yellow , the German invasion of the Low Countries and France during World War II. The battle lasted from 10 May 1940 until 14 May 1940 when the main Dutch forces surrendered...
  
  . During WWII the U. S. maintained diplomatic relations with the government-in-exile of the Netherlands in London. The embassy in The Hague
  The Hague
  The Hague is the capital city of the province of South Holland in the Netherlands. With a population of 500,000 inhabitants , it is the third largest city of the Netherlands, after Amsterdam and Rotterdam...
  
  was reopened in August 1945.
- New Zealand
  New Zealand
  New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...
  - Consulate:
  - Recognized: 1942
  - Relations established: 1942
  - Legation/embassy established: 1942
  - First ambassador: Patrick J. Hurley
    Patrick J. Hurley
    Patrick Jay Hurley was an American soldier, statesman, and diplomat....
  - Relations ended: —
- Nicaragua
  Nicaragua
  Nicaragua is the largest country in the Central American American isthmus, bordered by Honduras to the north and Costa Rica to the south. The country is situated between 11 and 14 degrees north of the Equator in the Northern Hemisphere, which places it entirely within the tropics. The Pacific Ocean...
  - Consulate:
  - Recognized: 1849
  - Relations established: 1849
  - Legation/embassy established: 1851
  - First ambassador: Solon Borland
    Solon Borland
    Solon Borland was a newspaperman, soldier, diplomat, Democratic United States Senator from the State of Arkansas and a Confederate officer during the American Civil War.-Early life:...
    
    (1853)
  - Relations ended: —
  - Notes:
1. Nicaragua had previously been recognized as part of the Federal Republic of Central America
  Federal Republic of Central America
  The Federal Republic of Central America, known as the United Provinces of Central America in its first year of creation, was a sovereign state in Central America, which consisted of the territories of the former Captaincy General of Guatemala of New Spain...
  
  .
2. Ambassador Borland was concurrently commissioned to Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua.
3. The U. S. severed diplomatic relations with Nicaragua on December 1, 1909. Normal diplomatic relations were restored in 1911.
4. The U. S. severed diplomatic relations with Nicaragua and withdrew recognition in 1926 following a coup d’état by Emiliano Chamorro Vargas
  Emiliano Chamorro Vargas
  Emiliano Chamorro Vargas was the President of Nicaragua from 1 January 1917 to 1 January 1921 and again from 14 March 1926 to 11 November 1926....
  
  . The U. S. recognized the successor government and reestablished relations later that year.
5. The U. S. severed diplomatic relations with Nicaragua in 1947 following a coup d’état by Anastasio Somoza García
  Anastasio Somoza García
  Anastasio Somoza García was officially the President of Nicaragua from 1 January 1937 to 1 May 1947 and from 21 May 1950 to 29 September 1956, but ruled effectively as dictator from 1936 until his assassination.-Biography:Somoza was born in San Marcos, Carazo Department in Nicaragua, the son of...
  
  . Relations were reestablished in 1948 following elections in Nicaragua.
6. In 1988 the Sandinista
  Sandinista National Liberation Front
  The Sandinista National Liberation Front is a socialist political party in Nicaragua. Its members are called Sandinistas in both English and Spanish...
  
  government of Nicaragua expelled the U. S. ambassador and seven members of the diplomatic corps. The embassy remained open under a chargé d’affaires a.i. until a new ambassador was commissioned in 1990.
- Niger
  Niger
  Niger , officially named the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1961
  - First ambassador: R. Borden Reams
  - Relations ended: —
  - Notes:
1. Ambassador Reams was commissioned to Dahomey
  Dahomey
  Dahomey was a country in west Africa in what is now the Republic of Benin. The Kingdom of Dahomey was a powerful west African state that was founded in the seventeenth century and survived until 1894. From 1894 until 1960 Dahomey was a part of French West Africa. The independent Republic of Dahomey...
  
  , Ivory Coast, Niger
  Niger
  Niger , officially named the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east...
  
  , and Upper Volta
  Republic of Upper Volta
  The Republic of Upper Volta was established on December 11, 1958, as a self-governing colony within the French Community. Before attaining autonomy it had been French Upper Volta and part of the French Union. On August 5, 1960 it attained full independence from France.Thomas Sankara came to power...
  
  while resident in Abidjan.
- Nigeria
  Nigeria
  Nigeria , officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Joseph Palmer II
    Joseph Palmer II
    Joseph Palmer II was an American diplomat and State Department official whose career focused on U.S. relations with Africa....
  - Relations ended: —
- Norway
  Norway
  Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...
  - Consulate: 1809
  - Recognized: 1905
  - Relations established: 1905
  - Legation/embassy established: 1905
  - First ambassador: Herbert H. D. Peirce
    Herbert H. D. Peirce
    Herbert Henry Davis Peirce was a United States diplomat who served as Third Assistant Secretary of State from 1901 to 1906 and as U.S. Ambassador to Norway from 1906 to 1911.-Biography:...
    
    (1906)
  - Relations ended: —
  - Notes:
1. Prior to 1905, Sweden and Norway were politically united. The United States Ambassador to Sweden thus was the U. S. representative for Norway as well as Sweden. In 1905 Sweden and Norway peacefully separated and Norway became an independent constitutional monarchy.
2. Strictly, Charles H. Graves
  Charles H. Graves
  Charles Hinman "C. H." Graves was an American army officer, politician, and diplomat.-Military:Hinman was born in Springfield, Massachusetts. After the outbreak of the Civil War, he joined the Army of the Potomac as a Sergeant...
  
  was the first U. S. ambassador to Norway. He was the ambassador to Sweden in 1905 when Sweden and Norway separated, and he represented the U. S. to both Sweden and Norway until June 1906 when Ambassador Peirce presented his credentials.
3. The U. S. legation in Oslo was closed in August 1940 following the German invasion of Norway
  Operation Weserübung
  Operation Weserübung was the code name for Germany's assault on Denmark and Norway during the Second World War and the opening operation of the Norwegian Campaign...
  
  . Diplomatic relations with Norway were maintained with the government-in-exile of Norway in London during WWII. The embassy in Oslo
  Oslo
  Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...
  
  was reopened in May 1945 under Ambassador Lithgow Osborne.
- Oldenburg, Duchy of
  - Consulate:
  - Recognized: 1829
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1867
  - Notes:
1. The U. S. and the Duchy of Oldenburg never established diplomatic relations. The Duchy was absorbed into the North German Confederation
  North German Confederation
  The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...
  
  in 1867 and ceased to exist as a sovereign state.
- Oman
  Oman
  Oman , officially called the Sultanate of Oman , is an Arab state in southwest Asia on the southeast coast of the Arabian Peninsula. It is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest. The coast is formed by the Arabian Sea on the...
  - Consulate: 1880
  - Recognized: 1833
  - Relations established: 1972
  - Legation/embassy established: 1972
  - First ambassador: William Stoltzfus
    William Stoltzfus
    William A. Stoltzfus, Jr. was a United States Foreign Service Officer and diplomat.-Early life:Stoltzfus was born in Beirut in 1924. His father was a Mennonite from Ohio and his mother a Presbyterian from Minneapolis. Stoltzfus' father was principal of a boy's school in Aleppo, Syria, and later...
  - Relations ended: —
  - Notes:
1. Ambassador Stoltzfus was concurrently commissioned to Oman, Bahrain
  Bahrain
  ' , officially the Kingdom of Bahrain , is a small island state near the western shores of the Persian Gulf. It is ruled by the Al Khalifa royal family. The population in 2010 stood at 1,214,705, including 235,108 non-nationals. Formerly an emirate, Bahrain was declared a kingdom in 2002.Bahrain is...
  
  , Kuwait
  Kuwait
  The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...
  
  , Qatar
  Qatar
  Qatar , also known as the State of Qatar or locally Dawlat Qaṭar, is a sovereign Arab state, located in the Middle East, occupying the small Qatar Peninsula on the northeasterly coast of the much larger Arabian Peninsula. Its sole land border is with Saudi Arabia to the south, with the rest of its...
  
  , and the United Arab Emirates
  United Arab Emirates
  The United Arab Emirates, abbreviated as the UAE, or shortened to "the Emirates", is a state situated in the southeast of the Arabian Peninsula in Western Asia on the Persian Gulf, bordering Oman, and Saudi Arabia, and sharing sea borders with Iraq, Kuwait, Bahrain, Qatar, and Iran.The UAE is a...
  
  while resident in Kuwait. The first ambassador commissioned solely to Oman was William D. Wolle in 1974.
- Orange Free State
  Orange Free State
  The Orange Free State was an independent Boer republic in southern Africa during the second half of the 19th century, and later a British colony and a province of the Union of South Africa. It is the historical precursor to the present-day Free State province...
  - Consulate: 1891
  - Recognized: 1871
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1902
  - Notes:
1. The U. S. and the Orange Free State never established formal diplomatic relations. In 1902 the Orange Free State was absorbed into the British Empire
  British Empire
  The British Empire comprised the dominions, colonies, protectorates, mandates and other territories ruled or administered by the United Kingdom. It originated with the overseas colonies and trading posts established by England in the late 16th and early 17th centuries. At its height, it was the...
  
  and ceased to exist as a sovereign state.
- Pakistan
  Pakistan
  Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...
  - Consulate:
  - Recognized: 1947
  - Relations established: 1947
  - Legation/embassy established: 1947
  - First ambassador: Paul H. Alling
  - Relations ended: —
- Palau
  Palau
  Palau , officially the Republic of Palau , is an island nation in the Pacific Ocean, east of the Philippines and south of Tokyo. In 1978, after three decades as being part of the United Nations trusteeship, Palau chose independence instead of becoming part of the Federated States of Micronesia, a...
  - Consulate:
  - Recognized: 1994
  - Relations established: 1996
  - Legation/embassy established: 2004
  - First ambassador: Thomas C. Hubbard
    Thomas C. Hubbard
    Thomas C. Hubbard is a diplomat and former U.S. Ambassador to the Philippines and South Korea . He is a member of the American Academy of Diplomacy.-References:...
  - Relations ended: —
  - Notes:
1. The first U. S. ambassador to the Philippines was concurrently accredited to Palau while resident in Manila
  Manila
  Manila is the capital of the Philippines. It is one of the sixteen cities forming Metro Manila.Manila is located on the eastern shores of Manila Bay and is bordered by Navotas and Caloocan to the north, Quezon City to the northeast, San Juan and Mandaluyong to the east, Makati on the southeast,...
  
  . Since 2004 one ambassador has been solely accredited to Palau.
- Panama
  Panama
  Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...
  - Consulate: 1823
  - Recognized: 1903
  - Relations established: 1903
  - Legation/embassy established: 1903
  - First ambassador: William Insco Buchanan
  - Relations ended: —
  - Notes:
1. Panama was part of Colombia
  Colombia
  Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...
  
  until 1903.
2. Diplomatic relations between the U. S. and Panama were briefly interrupted in January 1931 following a coup d’état. Relations were resumed after about two weeks.
3. Diplomatic relations between the U. S. and Panama were interrupted for about three weeks November–December 1949 following government upheaval in Panama.
4. The government of Panama severed diplomatic relations with the U. S. in January 1964, following the Flag Pole Incident in the Canal Zone
  Panama Canal Zone
  The Panama Canal Zone was a unorganized U.S. territory located within the Republic of Panama, consisting of the Panama Canal and an area generally extending 5 miles on each side of the centerline, but excluding Panama City and Colón, which otherwise would have been partly within the limits of...
  
  . Normal relations were resumed in April 1964.
5. Diplomatic relations between the U. S. and Panama were briefly interrupted October–November 1968 following a coup d’état. Relations were resumed after about four weeks.
6. President George H. W. Bush recalled the U. S. Ambassador in May 1989, following dictator Noriega’s
  Manuel Noriega
  Manuel Antonio Noriega Moreno is a Panamanian politician and soldier. He was military dictator of Panama from 1983 to 1989.The 1989 invasion of Panama by the United States removed him from power; he was captured, detained as a prisoner of war, and flown to the United States. Noriega was tried on...
  
  refusal to cede power after an election. Relations with a new Panamanian government were restored following the U. S. invasion of Panama
  United States invasion of Panama
  The United States Invasion of Panama, code-named Operation Just Cause, was the invasion of Panama by the United States in December 1989. It occurred during the administration of U.S. President George H. W...
  
  and the capture of Noriega in January 1990.
- Papal States
  Papal States
  The Papal State, State of the Church, or Pontifical States were among the major historical states of Italy from roughly the 6th century until the Italian peninsula was unified in 1861 by the Kingdom of Piedmont-Sardinia .The Papal States comprised territories under...
  
  (see also Holy See)
  - Consulate: 1797
  - Recognized:
  - Relations established: 1848
  - Legation/embassy established: 1848
  - First ambassador: Lewis Cass, Jr.
  - Relations ended: 1870
  - Notes:
1. There is no clear record of a date for diplomatic recognition of the Papal States by the United States.
2. The American mission to the Papal States closed in 1867 after Congress refused to fund the mission any longer.
3. Rome was incorporated into the Kingdom of Italy
  Kingdom of Italy (1861–1946)
  The Kingdom of Italy was a state forged in 1861 by the unification of Italy under the influence of the Kingdom of Sardinia, which was its legal predecessor state...
  
  in 1870 and the Papal States ceased to exist. For later representation, see Holy See.
- Papua New Guinea
  Papua New Guinea
  Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...
  - Consulate: 1974
  - Recognized: 1975
  - Relations established: 1975
  - Legation/embassy established: 1975
  - First ambassador: Mary S. Olmsted
  - Relations ended: —
- Paraguay
  Paraguay
  Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...
  - Consulate:
  - Recognized: 1852
  - Relations established: 1861
  - Legation/embassy established: 1861
  - First ambassador: Charles Ames Washburn
    Charles Ames Washburn
    Charles Ames Washburn , also known as C. A. Washburn, was born in Livermore, Maine. He was the son of Israel Washburn Sr.; nephew of Reuel Washburn; brother of Israel, Jr., Elihu Benjamin, Cadwallader Colden and William Drew...
  - Relations ended: —
  - Notes:
1. Washburn was appointed as Commissioner in 1861 and promoted to Minister Resident in 1863.
2. From 1870 until 1914, one minister was concurrently commissioned to Paraguay and Uruguay, while resident in Montevideo
  Montevideo
  Montevideo is the largest city, the capital, and the chief port of Uruguay. The settlement was established in 1726 by Bruno Mauricio de Zabala, as a strategic move amidst a Spanish-Portuguese dispute over the platine region, and as a counter to the Portuguese colony at Colonia del Sacramento...
  
  , Uruguay.
- Parma, Duchy of
  Duchy of Parma
  The Duchy of Parma was created in 1545 from that part of the Duchy of Milan south of the Po River, as a fief for Pope Paul III's illegitimate son, Pier Luigi Farnese, centered on the city of Parma....
  - Consulate:
  - Recognized: 1850
  - Relations established: 1853
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1860
  - Notes:
1. No ambassadors were exchanged between the Duchy of Parma and the U. S. The Duchy was absorbed into the Kingdom of Piedmont-Sardinia
  Piedmont-Sardinia
  Kingdom of Sardinia or Sardinia, also Piedmont-Sardinia, Sardinia-Piedmont or Piemonte, refers to the states of the House of Savoy from 1720 or 1723 onwards, following the award of the crown of Sardinia to King Victor Amadeus II of Savoy under the Treaty of The Hague...
  
  in 1860 and ceased to exist as a sovereign state.
- Peru
  Peru
  Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....
  - Consulate:
  - Recognized: 1826
  - Relations established: 1827
  - Legation/embassy established: 1827
  - First ambassador: John Randolph Clay
    John Randolph Clay
    John Randolph Clay was an American diplomat.-Biography:Clay was born in Philadelphia, Pennsylvania in 1808, the second child of parents Joseph and Mary Ashmead Clay and younger brother of Joseph Ashmead Clay . He also had a younger sister Ann Eliza Clay...
    
    (1853)
  - Relations ended: —
  - Notes:
1. A series of chargés represented the U. S. in Peru until 1853, when the first ranking minister was appointed.
- Peru–Bolivian Confederation
  - Consulate:
  - Recognized: 1837
  - Relations established: 1837
  - Legation/embassy established: 1837
  - First ambassador: James B. Thornton (chargé d’affaires)
  - Relations ended: 1839
  - Notes:
1. The Peru–Bolivian Confederation was dissolved in 1839.
2. Chargé d’Affaires Thornton was commissioned to Peru but received by the government of the Peru–Bolivian Confederation. Two chargés represented the U. S. during the period of the Confederation. No ranking minister was appointed.
3. The second chargé, James C. Pickett, was commissioned to the Confederation, but presented his credentials in 1840, after the dissolution of the Confederation; thus he was received by the government of Peru.
- Philippines
  Philippines
  The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...
  - Consulate:
  - Recognized: 1946
  - Relations established: 1946
  - Legation/embassy established: 1946
  - First ambassador: Paul V. McNutt
    Paul V. McNutt
    Paul Vories McNutt was an American politician who served as the 34th Governor of Indiana during the Great Depression, high commissioner to the Philippines, administrator of the Federal Security Agency, chairman of the War Manpower Commission and ambassador to the Philippines.-Family and...
  - Relations ended: —
- Piedmont-Sardinia
  Piedmont-Sardinia
  Kingdom of Sardinia or Sardinia, also Piedmont-Sardinia, Sardinia-Piedmont or Piemonte, refers to the states of the House of Savoy from 1720 or 1723 onwards, following the award of the crown of Sardinia to King Victor Amadeus II of Savoy under the Treaty of The Hague...
  - Consulate: 1802
  - Recognized: 1802
  - Relations established: 1839
  - Legation/embassy established: 1840
  - First ambassador: Hezekiah Gold Rogers
  - Relations ended: 1861
  - Notes:
1. No U. S. ambassador was appointed to Piedmont-Sardinia. The Chargé d’Affaires to Italy represented the U. S.
2. Piedmont-Sardinia was absorbed into the Kingdom of Italy in 1861 and ceased to exist as a sovereign state.
- Poland
  Poland
  Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...
  - Consulate: 1871
  - Recognized: 1919
  - Relations established: 1919
  - Legation/embassy established: 1919
  - First ambassador: Hugh S. Gibson
  - Relations ended: —
  - Notes:
1. The U. S. embassy in Warsaw was closed in September 1939 following the German invasion of Poland. The U. S. continued diplomatic relations with the government-in-exile of Poland during WWII, first in France (September 1939–June 1940) and then in England (1940–1945). The embassy in Warsaw
  Warsaw
  Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...
  
  was reopened in August 1945.
- Portugal
  Portugal
  Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...
  - Consulate: 1790
  - Recognized: 1791
  - Relations established: 1791
  - Legation/embassy established: 1791
  - First ambassador: David Humphreys
    David Humphreys (soldier)
    David Humphreys was a American Revolutionary War colonel and aide de camp to George Washington, American minister to Portugal and then to Spain, entrepreneur who brought Merino sheep to America and member of the Connecticut state legislature...
  - Relations ended: —
  - Notes:
1. During the Napoleonic Wars
  Napoleonic Wars
  The Napoleonic Wars were a series of wars declared against Napoleon's French Empire by opposing coalitions that ran from 1803 to 1815. As a continuation of the wars sparked by the French Revolution of 1789, they revolutionised European armies and played out on an unprecedented scale, mainly due to...
  
  , the King of Portugal fled to Brazil. The U. S. legation followed and was located in Rio de Janeiro
  Rio de Janeiro
  Rio de Janeiro , commonly referred to simply as Rio, is the capital city of the State of Rio de Janeiro, the second largest city of Brazil, and the third largest metropolitan area and agglomeration in South America, boasting approximately 6.3 million people within the city proper, making it the 6th...
  
  1810–21. The legation in Lisbon
  Lisbon
  Lisbon is the capital city and largest city of Portugal with a population of 545,245 within its administrative limits on a land area of . The urban area of Lisbon extends beyond the administrative city limits with a population of 3 million on an area of , making it the 9th most populous urban...
  
  reopened in 1822.
- Qatar
  Qatar
  Qatar , also known as the State of Qatar or locally Dawlat Qaṭar, is a sovereign Arab state, located in the Middle East, occupying the small Qatar Peninsula on the northeasterly coast of the much larger Arabian Peninsula. Its sole land border is with Saudi Arabia to the south, with the rest of its...
  - Consulate:
  - Recognized: 1971
  - Relations established: 1972
  - Legation/embassy established: 1973
  - First ambassador: William Stoltzfus
    William Stoltzfus
    William A. Stoltzfus, Jr. was a United States Foreign Service Officer and diplomat.-Early life:Stoltzfus was born in Beirut in 1924. His father was a Mennonite from Ohio and his mother a Presbyterian from Minneapolis. Stoltzfus' father was principal of a boy's school in Aleppo, Syria, and later...
  - Relations ended: —
  - Notes:
1. Ambassador Stoltzfus was concurrently commissioned to Oman
  Oman
  Oman , officially called the Sultanate of Oman , is an Arab state in southwest Asia on the southeast coast of the Arabian Peninsula. It is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest. The coast is formed by the Arabian Sea on the...
  
  , Bahrain
  Bahrain
  ' , officially the Kingdom of Bahrain , is a small island state near the western shores of the Persian Gulf. It is ruled by the Al Khalifa royal family. The population in 2010 stood at 1,214,705, including 235,108 non-nationals. Formerly an emirate, Bahrain was declared a kingdom in 2002.Bahrain is...
  
  , Kuwait
  Kuwait
  The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...
  
  , Qatar, and the United Arab Emirates
  United Arab Emirates
  The United Arab Emirates, abbreviated as the UAE, or shortened to "the Emirates", is a state situated in the southeast of the Arabian Peninsula in Western Asia on the Persian Gulf, bordering Oman, and Saudi Arabia, and sharing sea borders with Iraq, Kuwait, Bahrain, Qatar, and Iran.The UAE is a...
  
  while resident in Kuwait. The first ambassador commissioned solely to Qatar was Robert P. Paganelli in 1974.
- Romania
  Romania
  Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...
  - Consulate: 1866
  - Recognized: 1881
  - Relations established: 1880
  - Legation/embassy established: 1880
  - First ambassador: Eugene Schuyler
    Eugene Schuyler
    Eugene Schuyler was a nineteenth-century American scholar, writer, explorer and diplomat. Schuyler was of the first three Americans to earn a Ph.D. from an American university; and the first American translator of Ivan Turgenev and Lev Tolstoi...
  - Relations ended: —
  - Notes:
1. Minister Schuyler’s original office was Consul General. He was promoted to Minister Resident in 1883. Schuyler was concurrently minister to Romania, Serbia, and Greece while resident in Athens.
2. Romania declared war on the U. S. in December 1941 and severed diplomatic relations. Ambassador Franklin Mott Gunther died before he could leave the country. Diplomatic relations were reestablished in 1946 and the legation was reopened in 1947.
- Russia
  Russia
  Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...
  - Consulate: 1780
  - Recognized: 1780
  - Relations established: 1809
  - Legation/embassy established: 1809
  - First ambassador: John Quincy Adams
    John Quincy Adams
    John Quincy Adams was the sixth President of the United States . He served as an American diplomat, Senator, and Congressional representative. He was a member of the Federalist, Democratic-Republican, National Republican, and later Anti-Masonic and Whig parties. Adams was the son of former...
  - Relations ended: —
  - Notes:
1. U. S.–Russia diplomatic relations were interrupted in 1917 following the November Bolshevik Revolution in Russia. Diplomatic relations were never formally severed, but the U. S. refused to recognize or have any formal relations with the Bolshevik/Soviet governments.
2. In 1918, the U. S. embassy, which had been in St. Petersburg, was moved to Vologda
  Vologda
  Vologda is a city and the administrative, cultural, and scientific center of Vologda Oblast, Russia, located on the Vologda River. The city is a major transport knot of the Northwest of Russia. Vologda is among the Russian cities possessing an especially valuable historical heritage...
  
  and then to Arkhangelsk
  Arkhangelsk
  Arkhangelsk , formerly known as Archangel in English, is a city and the administrative center of Arkhangelsk Oblast, Russia. It lies on both banks of the Northern Dvina River near its exit into the White Sea in the north of European Russia. The city spreads for over along the banks of the river...
  
  because of the close proximity of German troops during WWI.
3. In 1919 the U. S. embassy in Arkhangelsk was closed and diplomatic personnel were withdrawn.
4. In 1933 normal diplomatic relations were resumed, when President Roosevelt informed the Soviet Foreign Minister that the U. S. recognized the government of the U. S. S. R. and wished to establish normal diplomatic relations. The American embassy, which had been closed since 1919, was opened in Moscow.
5. In 1991, following the dissolution of the Soviet Union, the U. S. recognized the Russian Federation as the successor to the Soviet Union and reestablished normal diplomatic relations.
- Rwanda
  Rwanda
  Rwanda or , officially the Republic of Rwanda , is a country in central and eastern Africa with a population of approximately 11.4 million . Rwanda is located a few degrees south of the Equator, and is bordered by Uganda, Tanzania, Burundi and the Democratic Republic of the Congo...
  - Consulate:
  - Recognized: 1962
  - Relations established: 1962
  - Legation/embassy established: 1962
  - First ambassador: Charles D. Withers
  - Relations ended: —
- Saint Kitts and Nevis
  Saint Kitts and Nevis
  The Federation of Saint Kitts and Nevis , located in the Leeward Islands, is a federal two-island nation in the West Indies. It is the smallest sovereign state in the Americas, in both area and population....
  - Consulate:
  - Recognized: 1983
  - Relations established: 1983
  - Legation/embassy established: —
  - First ambassador: Thomas H. Anderson, Jr.
    Thomas H. Anderson, Jr.
    Thomas H. Anderson, Jr. is an American diplomat. He was Ambassador of the United States to Barbados, Dominica, St Lucia, Antigua, St. Vincent, and St. Christopher-Nevis-Anguilla from 1984 to 1986, under Ronald Reagan.-Biography:...
  - Relations ended: —
  - Notes:
1. The United States Ambassador to Barbados and the Eastern Caribbean
  United States Ambassador to Barbados and the Eastern Caribbean
  The Ambassador of the United States to Barbados and the Eastern Caribbean is the official title of the U.S. Ambassador to several island nations of the Caribbean. The ambassador concurrently represents the United States to Antigua and Barbuda, Barbados, Dominica, Grenada, St. Kitts and Nevis, St....
  
  represents the U. S. to Saint Kitts and Nevis, while resident at Bridgetown, Barbados.
- Saint Lucia
  Saint Lucia
  Saint Lucia is an island country in the eastern Caribbean Sea on the boundary with the Atlantic Ocean. Part of the Lesser Antilles, it is located north/northeast of the island of Saint Vincent, northwest of Barbados and south of Martinique. It covers a land area of 620 km2 and has an...
  - Consulate:
  - Recognized: 1979
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: Sally Angela Shelton (Sally Shelton-Colby
    Sally Shelton-Colby
    Sally Shelton-Colby is a Democratic American diplomat. She was Ambassador of the United States to Barbados, Grenada and Dominica as well as Minister to St Lucia, and Special Representative to Antigua, St. Christopher-Nevis-Anguilla, and St. Vincent from 1979 to 1981, under Jimmy...
    
    )
  - Relations ended: —
  - Notes:
1. The United States Ambassador to Barbados and the Eastern Caribbean
  United States Ambassador to Barbados and the Eastern Caribbean
  The Ambassador of the United States to Barbados and the Eastern Caribbean is the official title of the U.S. Ambassador to several island nations of the Caribbean. The ambassador concurrently represents the United States to Antigua and Barbuda, Barbados, Dominica, Grenada, St. Kitts and Nevis, St....
  
  represents the U. S. to Saint Lucia, while resident at Bridgetown, Barbados.
- Saint Vincent and the Grenadines
  Saint Vincent and the Grenadines
  Saint Vincent and the Grenadines is an island country in the Lesser Antilles chain, namely in the southern portion of the Windward Islands, which lie at the southern end of the eastern border of the Caribbean Sea where the latter meets the Atlantic Ocean....
  - Consulate:
  - Recognized: 1981
  - Relations established: 1981
  - Legation/embassy established: —
  - First ambassador: Milan D. Bish
    Milan D. Bish
    Milan D. Bish was an American diplomat. He was Ambassador of the United States to Barbados, Dominica, St Lucia, Antigua, and St. Vincent, as well as Special Representative to St. Christopher-Nevis-Anguilla from 1981 to 1984, under Ronald Reagan....
  - Relations ended: —
  - Notes:
1. The United States Ambassador to Barbados and the Eastern Caribbean
  United States Ambassador to Barbados and the Eastern Caribbean
  The Ambassador of the United States to Barbados and the Eastern Caribbean is the official title of the U.S. Ambassador to several island nations of the Caribbean. The ambassador concurrently represents the United States to Antigua and Barbuda, Barbados, Dominica, Grenada, St. Kitts and Nevis, St....
  
  represents the U. S. to Saint Vincent and the Grenadines, while resident at Bridgetown, Barbados.
- Samoa
  Samoa
  Samoa , officially the Independent State of Samoa, formerly known as Western Samoa is a country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. The two main islands of Samoa are Upolu and one of the biggest islands in...
  - Consulate: 1856
  - Recognized: 1962
  - Relations established: 1971
  - Legation/embassy established: 1988
  - First ambassador: Kenneth Franzheim II
    Kenneth Franzheim II
    Kenneth Franzheim II was a Houston oilman, philanthropist, and envoy. He served under U.S. President Richard Nixon as the United States Ambassador to New Zealand, Western Samoa, Tonga and Fiji from 1969 to 1972....
  - Relations ended: —
  - Notes:
1. The U. S. Ambassador to New Zealand is concurrently accredited to Fiji, Samoa, and Tonga, while resident in Wellington
  Wellington
  Wellington is the capital city and third most populous urban area of New Zealand, although it is likely to have surpassed Christchurch due to the exodus following the Canterbury Earthquake. It is at the southwestern tip of the North Island, between Cook Strait and the Rimutaka Range...
  
  , New Zealand.
- San Marino
  San Marino
  San Marino, officially the Republic of San Marino , is a state situated on the Italian Peninsula on the eastern side of the Apennine Mountains. It is an enclave surrounded by Italy. Its size is just over with an estimated population of over 30,000. Its capital is the City of San Marino...
  - Consulate: 1925
  - Recognized: 1861
  - Relations established: 1861
  - Legation/embassy established: —
  - First ambassador: Ronald P. Spogli
    Ronald P. Spogli
    Ronald P. Spogli is the former United States Ambassador to Italy and to San Marino. He was confirmed by the U.S. Senate on June 30, 2005, after being nominated by President George W. Bush on June 9. He was preceded by Mel Sembler as Ambassador to Italy and is the first American ambassador to San...
  - Relations ended: —
  - Notes:
1. The United States recognized San Marino when President Abraham Lincoln, in a letter dated May 7, 1861, accepted San Marino’s offer of honorary citizenship.
2. The U. S. Ambassador to Italy is concurrently accredited to San Marino, while resident in Rome.
- São Tomé and Príncipe
  São Tomé and Príncipe
  São Tomé and Príncipe, officially the Democratic Republic of São Tomé and Príncipe, is a Portuguese-speaking island nation in the Gulf of Guinea, off the western equatorial coast of Central Africa. It consists of two islands: São Tomé and Príncipe, located about apart and about , respectively, off...
  - Consulate:
  - Recognized: 1975
  - Relations established: 1976
  - Legation/embassy established: —
  - First ambassador: Andrew L. Steigman
  - Relations ended: —
  - Notes:
1. The U. S. Ambassador to Gabon is concurrently commissioned to São Tomé and Príncipe, while resident in Libreville
  Libreville
  Libreville is the capital and largest city of Gabon, in west central Africa. The city is a port on the Komo River, near the Gulf of Guinea, and a trade center for a timber region. As of 2005, it has a population of 578,156.- History :...
  
  , Gabon. There is no U. S. embassy in São Tomé
  São Tomé
  -Transport:São Tomé is served by São Tomé International Airport with regular flights to Europe and other African Countries.-Climate:São Tomé features a tropical wet and dry climate with a relatively lengthy wet season and a short dry season. The wet season runs from October through May while the...
  
  .
- Saudi Arabia
  Saudi Arabia
  The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...
  - Consulate:
  - Recognized: 1931
  - Relations established: 1940
  - Legation/embassy established: 1942
  - First ambassador: Bert Fish
    Bert Fish
    Bert Fish was an American judge, real-estate operator, finance director, philanthropist, and ambassador.-Early life:Fish originally hailed from Bedford, Indiana, but moved to Volusia County, Florida in 1881...
  - Relations ended: —
  - Notes:
1. Ambassador Fish was concurrently accredited to Egypt and Saudi Arabia, while resident at Cairo
  Cairo
  Cairo , is the capital of Egypt and the largest city in the Arab world and Africa, and the 16th largest metropolitan area in the world. Nicknamed "The City of a Thousand Minarets" for its preponderance of Islamic architecture, Cairo has long been a centre of the region's political and cultural life...
  
  . The first ambassasor solely accredited to Saudi Arabia was James S. Moose, Jr.
  James S. Moose, Jr.
  James Sayle Moose, Jr. was an American diplomat and ambassador to several countries.-Early life:Moose was born in Morrilton, Arkansas in 1903...
  
  in 1943.
- Schaumburg-Lippe
  Schaumburg-Lippe
  Schaumburg-Lippe was until 1946 a small state in Germany, located in the present day state of Lower Saxony, with its capital at Bückeburg.- History :...
  - Consulate:
  - Recognized: 1854
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1867
  - Notes:
1. The U. S. and the Principality of Schaumburg-Lippe never established formal diplomatic relations. The principality joined the North German Confederation
  North German Confederation
  The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...
  
  in 1867 and ceased to exist as a sovereign state.
- Senegal
  Senegal
  Senegal , officially the Republic of Senegal , is a country in western Africa. It owes its name to the Sénégal River that borders it to the east and north...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Henry Serrano Villard
    Henry Serrano Villard
    Henry Serrano Villard was an American foreign service officer, ambassador, and author.-Life:Henry S. Villard was born in Manhattan, New York City March 30, 1900. He was the great-grandson of William Lloyd Garrison, the prominent American journalist and abolitionist...
  - Relations ended: —
  - Notes:
1. Until 1980 the ambassadors to Senegal were concurrently accredited to other west African nations, while resident in Dakar
  Dakar
  Dakar is the capital city and largest city of Senegal. It is located on the Cap-Vert Peninsula on the Atlantic coast and is the westernmost city on the African mainland...
  
  , Senegal. In 1980 Walter Carrington
  Walter Carrington
  Walter C. Carrington is an American diplomatwho served as the United States Ambassador Extraordinary and Plenipotentiary to Senegal and Nigeria....
  
  was appointed as the first ambassador solely commissioned to Senegal.
- Serbia
  Serbia
  Serbia , officially the Republic of Serbia , is a landlocked country located at the crossroads of Central and Southeast Europe, covering the southern part of the Carpathian basin and the central part of the Balkans...
  - Consulate:
  - Recognized: 1881
  - Relations established: 1882
  - Legation/embassy established: 1882
  - First ambassador: Eugene Schuyler
    Eugene Schuyler
    Eugene Schuyler was a nineteenth-century American scholar, writer, explorer and diplomat. Schuyler was of the first three Americans to earn a Ph.D. from an American university; and the first American translator of Ivan Turgenev and Lev Tolstoi...
  - Relations ended: —
  - Notes:
1. Serbia was recognized as Kingdom of Serbia in 1881. The first ambassadors were accredited to Greece, Romania, and Serbia, while resident in Athens
  Athens
  Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...
  
  .
2. In the wake of the breakup of the Austrian Empire following WWI, the nation was first named the Kingdom of Serbs, Croats and Slovenes and was renamed the Kingdom of Yugoslavia in 1929.
3. The government of Yugoslavia went into exile in England on April 14, 1941, in anticipation of German occupation
  Invasion of Yugoslavia
  The Invasion of Yugoslavia , also known as the April War , was the Axis Powers' attack on the Kingdom of Yugoslavia which began on 6 April 1941 during World War II...
  
  . The U. S. Legation was closed. The U. S. continued diplomatic relations with the government-in-exile in London (1941–43), then in Cairo (1943–44), and then back to London. The U. S. Embassy in Belgrade
  Belgrade
  Belgrade is the capital and largest city of Serbia. It is located at the confluence of the Sava and Danube rivers, where the Pannonian Plain meets the Balkans. According to official results of Census 2011, the city has a population of 1,639,121. It is one of the 15 largest cities in Europe...
  
  was reopened in March 1945.
4. In 1992 the U.S. announced that it would not recognize the Federal Republic of Yugoslavia (FRY) as a successor state of the Socialist Federal Republic of Yugoslavia
  Socialist Federal Republic of Yugoslavia
  The Socialist Federal Republic of Yugoslavia was the Yugoslav state that existed from the abolition of the Yugoslav monarchy until it was dissolved in 1992 amid the Yugoslav Wars. It was a socialist state and a federation made up of six socialist republics: Bosnia and Herzegovina, Croatia,...
  
  (SFRY). The U. S. ambassador was recalled but the mission continued under the authority of a chargé d'affaires ad interim.
5. In 1999 the U. S. severed diplomatic relations with the FRY and closed the embassy in Belgrade. Diplomatic recognition and full diplomatic relations between the two countries were established in 2000.
- Seychelles
  Seychelles
  Seychelles , officially the Republic of Seychelles , is an island country spanning an archipelago of 115 islands in the Indian Ocean, some east of mainland Africa, northeast of the island of Madagascar....
  - Consulate:
  - Recognized: 1976
  - Relations established: 1976
  - Legation/embassy established: 1976
  - First ambassador: Anthony Dryden Marshall
    Anthony Dryden Marshall
    Anthony Dryden Marshall is an American theatrical producer who is a former U.S. Marine, C.I.A. intelligence officer, and ambassador. He also is the former vice president of the Vincent Astor Foundation, which was established by his stepfather, Vincent Astor...
  - Relations ended: —
  - Notes:
1. Until 1982 the ambassadors were concurrently accredited to Kenya
  Kenya
  Kenya , officially known as the Republic of Kenya, is a country in East Africa that lies on the equator, with the Indian Ocean to its south-east...
  
  and the Seychelles, while resident at Nairobi
  Nairobi
  Nairobi is the capital and largest city of Kenya. The city and its surrounding area also forms the Nairobi County. The name "Nairobi" comes from the Maasai phrase Enkare Nyirobi, which translates to "the place of cool waters". However, it is popularly known as the "Green City in the Sun" and is...
  
  , Kenya. In 1982–96 one ambassador was accredited solely to the Seychelles. In 1996 the U. S. embassy in Victoria
  Victoria, Seychelles
  Victoria is the capital city of the Seychelles and is situated on the north-eastern side of Mahé island, which is the main island of the archipelago. The city was first established as the seat of the British colonial government...
  
  was closed and the U. S. ambassador to Mauritius
  Mauritius
  Mauritius , officially the Republic of Mauritius is an island nation off the southeast coast of the African continent in the southwest Indian Ocean, about east of Madagascar...
  
  served concurrently as ambassador to the Seychelles, while resident in Port Louis
  Port Louis
  -Economy:The economy is dominated by its port, which handles Mauritius' international trade. The port was founded by the French who preferred Port Louis as the City is shielded by the Port Louis/Moka mountain range. It is the largest container handling facility in the Indian Ocean and can...
  
  , Mauritius.
- Sierra Leone
  Sierra Leone
  Sierra Leone , officially the Republic of Sierra Leone, is a country in West Africa. It is bordered by Guinea to the north and east, Liberia to the southeast, and the Atlantic Ocean to the west and southwest. Sierra Leone covers a total area of and has an estimated population between 5.4 and 6.4...
  - Consulate:
  - Recognized: 1961
  - Relations established: 1961
  - Legation/embassy established: 1961
  - First ambassador: Albert Sidney Johnson Carnahan
  - Relations ended: —
- Singapore
  Singapore
  Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...
  - Consulate: 1836
  - Recognized: 1965
  - Relations established: 1966
  - Legation/embassy established: 1966
  - First ambassador: Francis Joseph Galbraith
    Francis Joseph Galbraith
    Francis Joseph Galbraith was a former United States diplomat and member of the American Academy of Political and Social Science.He was born on December 9, 1913 in Timber Lake, Dewey County, South Dakota and worked as cowboy and rodeo rider on his father's ranch near the Cheyenne River Sioux Indian...
  - Relations ended: —
- Slovakia
  Slovakia
  The Slovak Republic is a landlocked state in Central Europe. It has a population of over five million and an area of about . Slovakia is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south...
  - Consulate:
  - Recognized: 1993
  - Relations established: 1993
  - Legation/embassy established: 1993
  - First ambassador: Theodore E. Russell
    Theodore E. Russell
    Theodore E. Russell was the first U.S. ambassador to Slovakia . He subsequently served as deputy commandant for international affairs at the U.S. Army War College in Carlisle, Pennsylvania...
  - Relations ended: —
- Slovenia
  Slovenia
  Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...
  - Consulate:
  - Recognized: 1992
  - Relations established: 1992
  - Legation/embassy established: 1992
  - First ambassador: E. Allan Wendt
  - Relations ended: —
- Solomon Islands
  Solomon Islands
  Solomon Islands is a sovereign state in Oceania, east of Papua New Guinea, consisting of nearly one thousand islands. It covers a land mass of . The capital, Honiara, is located on the island of Guadalcanal...
  - Consulate:
  - Recognized: 1978
  - Relations established: 1978
  - Legation/embassy established: 1978
  - First ambassador: Mary S. Olmsted
  - Relations ended: —
  - Notes:
1. The ambassador to the Solomon Islands is concurrently accredited to Papua New Guinea
  Papua New Guinea
  Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...
  
  and the Solomon Islands, while resident in Port Moresby
  Port Moresby
  Port Moresby , or Pot Mosbi in Tok Pisin, is the capital and largest city of Papua New Guinea . It is located on the shores of the Gulf of Papua, on the southeastern coast of the island of New Guinea, which made it a prime objective for conquest by the Imperial Japanese forces during 1942–43...
  
  , Papua New Guinea.
2. The U. S. Embassy in at Honiara
  Honiara
  Honiara, population 49,107 , 78,190 , is the capital of the Solomon Islands and of Guadalcanal Province, although it is a separately administered town...
  
  was closed on July 30, 1993 but diplomatic relations continued through the nonresident ambassador.
- Somalia
  Somalia
  Somalia , officially the Somali Republic and formerly known as the Somali Democratic Republic under Socialist rule, is a country located in the Horn of Africa. Since the outbreak of the Somali Civil War in 1991 there has been no central government control over most of the country's territory...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Andrew G. Lynch
  - Relations ended: —
  - Notes:
1. The U. S. embassy was closed in 1991 and all U.S. personnel were withdrawn after the collapse of the central Somali government. However, the U. S. never severed diplomatic relations with Somalia. The U. S. maintains regular dialogue with the Transitional Federal Government
  Transitional Federal Government
  The Transitional Federal Government is the current internationally recognized government of the Republic of Somalia. It was established as one of the Transitional Federal Institutions of government as defined in the Transitional Federal Charter adopted in November 2004 by the Transitional...
  
  and other key stakeholders in Somalia through the U.S. embassy in Nairobi
  Nairobi
  Nairobi is the capital and largest city of Kenya. The city and its surrounding area also forms the Nairobi County. The name "Nairobi" comes from the Maasai phrase Enkare Nyirobi, which translates to "the place of cool waters". However, it is popularly known as the "Green City in the Sun" and is...
  
  , Kenya.
- South Africa
  South Africa
  The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...
  - Consulate:
  - Recognized: 1929
  - Relations established: 1929
  - Legation/embassy established: 1929
  - First ambassador: Ralph James Totten
  - Relations ended: —
- South Sudan
  South Sudan
  South Sudan , officially the Republic of South Sudan, is a landlocked country located in the Sahel region of northeastern Africa. It is also part of the North Africa UN sub-region. Its current capital is Juba, which is also its largest city; the capital city is planned to be moved to the more...
- Consulate: —
- Recognized: July 9, 2011
- Relations established: July 9, 2011
- Embassy established: July 9, 2011
- First ambassador: R. Barrie Walkley
  R. Barrie Walkley
  R. Barrie Walkley is a retired American foreign service officer who served as the American ambassador to Guinea and to Sao Tome and Principe . He was called back to service and appointed Chargé d'Affaires for South Sudan at its independence. R. Barrie Walkley (1944-- ) is a retired American...
  
  , Chargé d’Affaires
- Relations ended: —
- Notes:
1. A U.S. consulate had been established in Juba
  Juba
  - Locations :* Juba, the capital of South Sudan* Juba, Estonia, a village in Võru Parish, Võru County, Estonia- People :* Juba I of Numidia * Juba II of Numidia * Juba of Mauretania...
  
  prior to independence of South Sudan. The previous consulate was elevated to embassy status upon U.S. recognition of South Sudan.
- Spain
  Spain
  Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...
  - Consulate: 1797
  - Recognized: 1783
  - Relations established: 1783
  - Legation/embassy established: 1783
  - First ambassador: William Short
    William Short (American ambassador)
    William Short was Thomas Jefferson's private secretary when he was ambassador in Paris, from 1786 to 1789. Jefferson, later the third President of the United States, referred to Short as his "adoptive son". Short, along with Jefferson, was a co-founder of Phi Beta Kappa at the College of William &...
    
    (1794)
  - Relations ended: —
  - Notes:
1. The Continental Congress
  Continental Congress
  The Continental Congress was a convention of delegates called together from the Thirteen Colonies that became the governing body of the United States during the American Revolution....
  
  of the United States of America sent John Jay
  John Jay
  John Jay was an American politician, statesman, revolutionary, diplomat, a Founding Father of the United States, and the first Chief Justice of the United States ....
  
  to Spain in 1779 in an attempt to convince the Spanish Court to recognize the new nation. Jay spent two years in Spain but the court declined to receive him. Thus he was not officially the ambassador to Spain.
2. Spain finally recognized the U. S. in 1783 when it became apparent that Britain and the U. S. would sign a treaty to end the war.
3. Spain severed diplomatic relations with the United States on April 21, 1898, and the legation in Madrid
  Madrid
  Madrid is the capital and largest city of Spain. The population of the city is roughly 3.3 million and the entire population of the Madrid metropolitan area is calculated to be 6.271 million. It is the third largest city in the European Union, after London and Berlin, and its metropolitan...
  
  was closed on that day. The United States declared war on Spain as of that date by an Act of Congress approved April 25, 1898. Relations were restored in June 1899.
- Sri Lanka
  Sri Lanka
  Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka is a country off the southern coast of the Indian subcontinent. Known until 1972 as Ceylon , Sri Lanka is an island surrounded by the Indian Ocean, the Gulf of Mannar and the Palk Strait, and lies in the vicinity of India and the...
  - Consulate:
  - Recognized: 1948
  - Relations established: 1948
  - Legation/embassy established: 1949
  - First ambassador: Felix Cole
    Felix Cole
    Felix Cole was an American diplomat. His postings in the foreign service included ambassadorships to Ethiopia and Sri Lanka.Following the retirement of John K. Caldwell in 1945, Cole was selected to replace him...
  - Relations ended: —
- Sudan
  Sudan
  Sudan , officially the Republic of the Sudan , is a country in North Africa, sometimes considered part of the Middle East politically. It is bordered by Egypt to the north, the Red Sea to the northeast, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the...
  - Consulate:
  - Recognized: 1956
  - Relations established: 1956
  - Legation/embassy established: 1956
  - First ambassador: Lowell C. Pinkerton
  - Relations ended: —
  - Notes:
1. Sudan severed diplomatic relations with the United States on June 7, 1967, in the wake of the 1967 Arab-Israeli War
  Six-Day War
  The Six-Day War , also known as the June War, 1967 Arab-Israeli War, or Third Arab-Israeli War, was fought between June 5 and 10, 1967, by Israel and the neighboring states of Egypt , Jordan, and Syria...
  
  . A U. S. Interests Section was established in the embassy of the Netherlands. Normal relations were restored and the embassy was reopened in 1972.
2. Ambassador Cleo A. Noel, Jr.
  Cleo A. Noel, Jr.
  Cleo Allen Noel, Jr. was a United States ambassador to Sudan who was murdered by the Black September Palestinian terrorist organization in the 1973 attack on the Saudi embassy in Khartoum.-Early life:...
  
  was assassinated at post on March 2, 1973.
3. The U. S. Embassy in Khartoum
  Khartoum
  Khartoum is the capital and largest city of Sudan and of Khartoum State. It is located at the confluence of the White Nile flowing north from Lake Victoria, and the Blue Nile flowing west from Ethiopia. The location where the two Niles meet is known as "al-Mogran"...
  
  was closed in February 1996. The embassy was reopened in 2002. No U. S. ambassador has been appointed since 2002 and a series of chargés d’affaires has represented the U. S. in Khartoum.
- Suriname
  Suriname
  Suriname , officially the Republic of Suriname , is a country in northern South America. It borders French Guiana to the east, Guyana to the west, Brazil to the south, and on the north by the Atlantic Ocean. Suriname was a former colony of the British and of the Dutch, and was previously known as...
  - Consulate:
  - Recognized: 1975
  - Relations established: 1975
  - Legation/embassy established: 1975
  - First ambassador: Joseph Owen Zurhellen
  - Relations ended: —
- Swaziland
  Swaziland
  Swaziland, officially the Kingdom of Swaziland , and sometimes called Ngwane or Swatini, is a landlocked country in Southern Africa, bordered to the north, south and west by South Africa, and to the east by Mozambique...
  - Consulate:
  - Recognized: 1968
  - Relations established: 1968
  - Legation/embassy established: 1968
  - First ambassador: Charles J. Nelson (1971)
  - Relations ended: —
  - Notes:
1. Until 1979 one ambassador was accredited to Botswana, Swaziland, and Lesotho, while resident at Gaborone
  Gaborone
  ' is the capital and largest city of Botswana with a population of 191,776 based on a 2006 survey, about 10% of the total population of Botswana....
  
  , Botswana.
- Sweden
  Sweden
  Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....
  - Consulate: 1818
  - Recognized: 1783
  - Relations established: 1818
  - Legation/embassy established: 1818
  - First ambassador: Jonathan Russell
    Jonathan Russell
    Jonathan Russell was a United States Representative from Massachusetts and diplomat.Born in Providence, Rhode Island, Russell graduated from Brown University in 1791. He studied law and was admitted to the bar, but did not practice...
    
    (1814)
  - Relations ended: —
  - Notes:
1. Benjamin Franklin
  Benjamin Franklin
  Dr. Benjamin Franklin was one of the Founding Fathers of the United States. A noted polymath, Franklin was a leading author, printer, political theorist, politician, postmaster, scientist, musician, inventor, satirist, civic activist, statesman, and diplomat...
  
  , who was the U. S. Minister to France, had been appointed additionally as Minister to Sweden. He did not proceed to Stockholm and was not officially received by the court; thus he was not officially the Minister to Sweden. Nevertheless, he negotiated a treaty of friendship and recognition with Sweden.
2. Minister Russell was appointed Minister to Sweden in 1814 but did not present his credentials
  Letter of Credence
  A letter of credence is a formal letter usually sent by one head of state to another that formally grants diplomatic accreditation to a named individual to be their ambassador in the country of the head of state receiving the letter...
  
  until 1818 when diplomatic relations were officially established between Sweden and the U. S.
3. A series of chargés d’affaires represented the U. S. in Stockholm 1818–1849, when Francis Schroeder was appointed Minister Resident.
- Switzerland
  Switzerland
  Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....
  - Consulate: 1829
  - Recognized: 1829
  - Relations established: 1853
  - Legation/embassy established: 1853
  - First ambassador: Theodore Sedgwick Fay
  - Relations ended: —
- Syria
  Syria
  Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....
  - Consulate:
  - Recognized: 1944
  - Relations established: 1944
  - Legation/embassy established: 1944
  - First ambassador: George Wadsworth
    George Wadsworth (diplomat)
    George Wadsworth II was a United States diplomat, specializing in the Middle East.Wadsworth was born in Buffalo, New York and received a degree in chemical engineering from Union College in Schenectady, New York...
  - Relations ended: —
  - Notes:
1. Ambassador Wadsworth had been serving in Lebanon as Diplomatic Agent/Consul General since 1942. He was promoted to Envoy Extraordinary and Minister Plenipotentiary upon establishment of U.S.–Syria diplomatic relations. He was concurrently commissioned to Lebanon and Syria, while resident in Beirut
  Beirut
  Beirut is the capital and largest city of Lebanon, with a population ranging from 1 million to more than 2 million . Located on a peninsula at the midpoint of Lebanon's Mediterranean coastline, it serves as the country's largest and main seaport, and also forms the Beirut Metropolitan...
  
  .
2. Egypt and Syria united to form a new state, the United Arab Republic
  United Arab Republic
  The United Arab Republic , often abbreviated as the U.A.R., was a sovereign union between Egypt and Syria. The union began in 1958 and existed until 1961, when Syria seceded from the union. Egypt continued to be known officially as the "United Arab Republic" until 1971. The President was Gamal...
  
  (UAR) in 1958. The U. S. recognized the UAR immediately. The American Embassy in Damascus was reclassified as a Consulate General. Syria seceded from the Union in 1961 and U. S.–Syria diplomatic relations were reestablished.
3. Syria severed diplomatic relations with the U. S. on June 6, 1967 in the wake of the 1967 Arab-Israeli War
  Six-Day War
  The Six-Day War , also known as the June War, 1967 Arab-Israeli War, or Third Arab-Israeli War, was fought between June 5 and 10, 1967, by Israel and the neighboring states of Egypt , Jordan, and Syria...
  
  . Normal relations were resumed in 1974.
4. The U. S. recalled its ambassador to Syria in 2005 after the assassination of Rafic Hariri
  Assassination of Rafic Hariri
  On 14 February 2005, Rafic Hariri, former Prime Minister of Lebanon, was killed, along with 77 others, when explosives equivalent of around 1,000 kg of TNT were detonated as his motorcade drove near the St. George Hotel in Beirut. Among the dead were several of Hariri's bodyguards and his friend...
  
  . A series of chargés d’affaires represented the U. S. until the appointment of Robert Stephen Ford in January 2011.
- Tajikistan
  Tajikistan
  Tajikistan , officially the Republic of Tajikistan , is a mountainous landlocked country in Central Asia. Afghanistan borders it to the south, Uzbekistan to the west, Kyrgyzstan to the north, and China to the east....
  - Consulate:
  - Recognized: 1991
  - Relations established: 1992
  - Legation/embassy established: 1992
  - First ambassador: Stanley Tuemler Escudero
    Stanley Tuemler Escudero
    Stanley Tuemler Escudero is a retired American diplomat who served in the U.S. foreign service in multiple capacities. He was U.S. Ambassador to Tajikistan, 1992-95, U.S. Ambassador to Uzbekistan, 1995-1997, and U.S. Ambassador to Azerbaijan, 1997-2000.Escudero was born in Daytona Beach, Florida...
  - Relations ended: —
  - Notes:
1. After the 1998 United States embassy bombings
  1998 United States embassy bombings
  The 1998 United States embassy bombings were a series of attacks that occurred on August 7, 1998, in which hundreds of people were killed in simultaneous truck bomb explosions at the United States embassies in the East African capitals of Dar es Salaam, Tanzania and Nairobi, Kenya. The date of the...
  
  in Africa, diplomatic personnel at embassy Dushanbe
  Dushanbe
  -Economy:Coal, lead, and arsenic are mined nearby in the cities of Nurek and Kulob allowing for the industrialization of Dushanbe. The Nurek Dam, the world's highest as of 2008, generates 95% of Tajikistan's electricity, and another dam, the Roghun Dam, is planned on the Vakhsh River...
  
  were temporarily relocated to Almaty
  Almaty
  Almaty , also known by its former names Verny and Alma-Ata , is the former capital of Kazakhstan and the nation's largest city, with a population of 1,348,500...
  
  , Kazakhstan, due to heightened embassy security standards. The embassy was later reopened.
- Tanzania
  Tanzania
  The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...
  - Consulate:
  - Recognized: 1961
  - Relations established: 1961
  - Legation/embassy established: 1961
  - First ambassador: William Leonhart
  - Relations ended: —
  - Notes:
1. Ambassador Leonhart was originally commissioned to Tanganyika
  Tanganyika
  Tanganyika , later formally the Republic of Tanganyika, was a sovereign state in East Africa from 1961 to 1964. It was situated between the Indian Ocean and the African Great Lakes of Lake Victoria, Lake Malawi and Lake Tanganyika...
  
  . He continued to serve as ambassador to Tanzania after the union of Tanganyika and Zanzibar
  Zanzibar
  Zanzibar ,Persian: زنگبار, from suffix bār: "coast" and Zangi: "bruin" ; is a semi-autonomous part of Tanzania, in East Africa. It comprises the Zanzibar Archipelago in the Indian Ocean, off the coast of the mainland, and consists of numerous small islands and two large ones: Unguja , and Pemba...
  
  in 1964.
- Texas
  Republic of Texas
  The Republic of Texas was an independent nation in North America, bordering the United States and Mexico, that existed from 1836 to 1846.Formed as a break-away republic from Mexico by the Texas Revolution, the state claimed borders that encompassed an area that included all of the present U.S...
  - Consulate: 1830
  - Recognized: 1837
  - Relations established: 1837
  - Legation/embassy established: 1837
  - First ambassador: Alcée Louis la Branche
    Alcée Louis la Branche
    Alcée Louis la Branche was a member of the U. S. House of Representatives from the state of Louisiana. He served one term as a Democrat....
  - Relations ended: 1846
  - Notes:
1. A series of six chargés d’affaires represented the U. S government to the Republic of Texas. No ranking minister was appointed.
2. Texas was annexed to the U. S. in 1846 and ceased to exist as a sovereign state.
- Thailand
  Thailand
  Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...
  - Consulate: 1859
  - Recognized: 1833
  - Relations established: 1882
  - Legation/embassy established: 1882
  - First ambassador: John A. Halderman
  - Relations ended: —
  - Notes:
1. U. S.–Thailand diplomatic relations were interrupted in 1942 when Thailand declared war on the U. S. during the Japanese occupation
  Japanese occupation of Thailand
  Thailand was occupied by the Japanese during World War II from the 1941 invasion until Japan's defeat in 1945. At the start of the Pacific War, the Japanese Empire leaned on the Thais to allow passage of Japanese troops on their way to invade British-held Malay and Burma...
  
  . The U. S. embassy was closed. Normal relations were restored in 1946.
- Timor-Leste
  - Consulate:
  - Recognized: 2002
  - Relations established: 2002
  - Legation/embassy established: 2002
  - First ambassador: Grover Rees, III
    Grover Rees, III
    Grover Joseph Rees, III , a Louisiana lawyer, is the former United States ambassador to the Democratic Republic of East Timor. He presented his credentials to East Timorese President Kay Rala Xanana Gusmão in December 2002, following his nomination by then U.S. President George W. Bush and...
  - Relations ended: —
- Togo
  Togo
  Togo, officially the Togolese Republic , is a country in West Africa bordered by Ghana to the west, Benin to the east and Burkina Faso to the north. It extends south to the Gulf of Guinea, on which the capital Lomé is located. Togo covers an area of approximately with a population of approximately...
  - Consulate:
  - Recognized: 1960
  - Relations established: 1960
  - Legation/embassy established: 1960
  - First ambassador: Leland Barrows
    Leland Barrows
    Leland Judd Barrows was an American ambassador to Cameroon and Togo. He was born in Hutchinson, Kansas. He married Mabel Irene Conley on March 21, 1935....
  - Relations ended: —
- Tonga
  Tonga
  Tonga, officially the Kingdom of Tonga , is a state and an archipelago in the South Pacific Ocean, comprising 176 islands scattered over of ocean in the South Pacific...
  
  (1)
  - Consulate: 1897
  - Recognized: 1886
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1900
  - Notes:
1. Tonga had been a sovereign state since 1845, but became a British protectorate in 1900. While Tonga remained independent, the British Foreign Office would maintain sole control of all foreign relations of Tonga. The protectorate ended in 1970.
- Tonga
  Tonga
  Tonga, officially the Kingdom of Tonga , is a state and an archipelago in the South Pacific Ocean, comprising 176 islands scattered over of ocean in the South Pacific...
  
  (2)
  - Consulate:
  - Recognized: 1972
  - Relations established: 1972
  - Legation/embassy established: —
  - First ambassador: Kenneth Franzheim II
    Kenneth Franzheim II
    Kenneth Franzheim II was a Houston oilman, philanthropist, and envoy. He served under U.S. President Richard Nixon as the United States Ambassador to New Zealand, Western Samoa, Tonga and Fiji from 1969 to 1972....
  - Relations ended: —
  - Notes:
1. The British protectorate of Tonga ended in 1970 and Tonga became an independent and sovereign state.
2. Franzheim was the U. S. ambassador to New Zealand and was concurrently commissioned to Fiji, Tonga, and Western Samoa, while resident in Wellington
  Wellington
  Wellington is the capital city and third most populous urban area of New Zealand, although it is likely to have surpassed Christchurch due to the exodus following the Canterbury Earthquake. It is at the southwestern tip of the North Island, between Cook Strait and the Rimutaka Range...
  
  , New Zealand. In 1979 the ambassador to Fiji
  United States Ambassador to Fiji
  The United States Ambassador to Fiji is the official representative of the government of the United States to the government of Fiji. The ambassador is concurrently the ambassador to Kiribati, Nauru, Tonga, and Tuvalu, while resident in Suva, Fiji.-Ambassadors:...
  
  assumed the commission to Fiji, Kiribati, Nauru, and Tuvalu, while resident in Suva
  Suva
  Suva features a tropical rainforest climate under the Koppen climate classification. The city sees a copious amount of precipitation during the course of the year. Suva averages 3,000 mm of precipitation annually with its driest month, July averaging 125 mm of rain per year. In fact,...
  
  , Fiji.
- Trinidad and Tobago
  Trinidad and Tobago
  Trinidad and Tobago officially the Republic of Trinidad and Tobago is an archipelagic state in the southern Caribbean, lying just off the coast of northeastern Venezuela and south of Grenada in the Lesser Antilles...
  - Consulate:
  - Recognized: 1962
  - Relations established: 1962
  - Legation/embassy established: 1962
  - First ambassador: Robert G. Miner
  - Relations ended: —
- Tunisia
  Tunisia
  Tunisia , officially the Tunisian RepublicThe long name of Tunisia in other languages used in the country is: , is the northernmost country in Africa. It is a Maghreb country and is bordered by Algeria to the west, Libya to the southeast, and the Mediterranean Sea to the north and east. Its area...
  - Consulate: 1795
  - Recognized: 1956
  - Relations established: 1956
  - Legation/embassy established: 1956
  - First ambassador: George Lewis Jones
    G. Lewis Jones
    George Lewis Jones, Jr. was United States Ambassador to Tunisia from 1956 to 1959 and United States Assistant Secretary of State for Near Eastern and South Asian Affairs from 1959 to 1961.-Biography:...
  - Relations ended: —
- Turkey
  Turkey
  Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...
  - Consulate:
  - Recognized: 1830
  - Relations established: 1831
  - Legation/embassy established: 1831
  - First ambassador: David Porter
    David Porter (naval officer)
    David Porter was an officer in the United States Navy in a rank of commodore and later the commander-in-chief of the Mexican Navy.-Life:...
  - Relations ended: —
  - Notes:
1. Turkey severed diplomatic relations with the United States in 1917 after the United States declared war against Germany. Relations were reestablished in 1927.
- Turkmenistan
  Turkmenistan
  Turkmenistan , formerly also known as Turkmenia is one of the Turkic states in Central Asia. Until 1991, it was a constituent republic of the Soviet Union, the Turkmen Soviet Socialist Republic . Turkmenistan is one of the six independent Turkic states...
  - Consulate:
  - Recognized: 1991
  - Relations established: 1992
  - Legation/embassy established: 1992
  - First ambassador: Joseph S. Hulings
  - Relations ended: —
- Tuvalu
  Tuvalu
  Tuvalu , formerly known as the Ellice Islands, is a Polynesian island nation located in the Pacific Ocean, midway between Hawaii and Australia. Its nearest neighbours are Kiribati, Nauru, Samoa and Fiji. It comprises four reef islands and five true atolls...
  - Consulate:
  - Recognized: 1978
  - Relations established: 1979
  - Legation/embassy established: —
  - First ambassador: John Peter Condon
  - Relations ended: —
  - Notes:
1. The U. S. ambassador to Tuvalu
  United States Ambassador to Tuvalu
  The United States Ambassador to Tuvalu is the official representative of the government of the United States to the government of Tuvalu. The ambassador is concurrently the ambassador to Fiji, Kiribati, Nauru, and Tonga, while resident in Suva, Fiji.-Ambassadors:...
  
  is concurrently commissioned to Fiji, Kiribati, Nauru, and Tonga, while resident in Suva
  Suva
  Suva features a tropical rainforest climate under the Koppen climate classification. The city sees a copious amount of precipitation during the course of the year. Suva averages 3,000 mm of precipitation annually with its driest month, July averaging 125 mm of rain per year. In fact,...
  
  , Fiji. There is no U. S. embassy in Tuvalu.
- Tuscany, Grand Duchy of
  Grand Duchy of Tuscany
  The Grand Duchy of Tuscany was a central Italian monarchy that existed, with interruptions, from 1569 to 1859, replacing the Duchy of Florence. The grand duchy's capital was Florence...
  - Consulate: 1794
  - Recognized: 1817
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1861
  - Notes:
1. The Grand Duchy of Tuscany recognized the U. S. in 1794 and received a U. S. Consul. The U. S. government received a consul from the Grand Duchy in 1817, which constituted de facto recognition. The U. S. and the Grand Duchy never established formal diplomatic relations.
2. The Grand Duchy of Tuscany was absorbed into the Kingdom of Italy
  Kingdom of Italy (1861–1946)
  The Kingdom of Italy was a state forged in 1861 by the unification of Italy under the influence of the Kingdom of Sardinia, which was its legal predecessor state...
  
  in 1861 and ceased to exist as a sovereign state.
- Two Sicilies, Kingdom of the
  Kingdom of the Two Sicilies
  The Kingdom of the Two Sicilies, commonly known as the Two Sicilies even before formally coming into being, was the largest and wealthiest of the Italian states before Italian unification...
  - Consulate: 1796
  - Recognized: 1796
  - Relations established: 1832
  - Legation/embassy established: 1832
  - First ambassador: Robert Dale Owen
    Robert Dale Owen
    Robert Dale Owen was a longtime exponent in his adopted United States of the socialist doctrines of his father, Robert Owen, as well as a politician in the Democratic Party.-Biography:...
    
    (1854)
  - Relations ended: 1861
  - Notes:
1. Initial recognition between the U. S. and the Kingdom was made with the Kingdom of Naples
  Kingdom of Naples
  The Kingdom of Naples, comprising the southern part of the Italian peninsula, was the remainder of the old Kingdom of Sicily after secession of the island of Sicily as a result of the Sicilian Vespers rebellion of 1282. Known to contemporaries as the Kingdom of Sicily, it is dubbed Kingdom of...
  
  . The Kingdom of Naples joined with the Kingdom of Sicily
  Kingdom of Sicily
  The Kingdom of Sicily was a state that existed in the south of Italy from its founding by Roger II in 1130 until 1816. It was a successor state of the County of Sicily, which had been founded in 1071 during the Norman conquest of southern Italy...
  
  in 1816 to become the Kingdom of the Two Sicilies.
2. A series of chargés d’affaires represented the U. S. to the Kingdom until the first ranking minister was appointed in 1854.
3. The Kingdom of the Two Sicilies was absorbed into the Kingdom of Sardinia
  Kingdom of Sardinia
  The Kingdom of Sardinia consisted of the island of Sardinia first as a part of the Crown of Aragon and subsequently the Spanish Empire , and second as a part of the composite state of the House of Savoy . Its capital was originally Cagliari, in the south of the island, and later Turin, on the...
  
  in 1860 and then into the Kingdom of Italy
  Kingdom of Italy (1861–1946)
  The Kingdom of Italy was a state forged in 1861 by the unification of Italy under the influence of the Kingdom of Sardinia, which was its legal predecessor state...
  
  in 1861 and ceased to exist as a sovereign state. The U. S. legation in Naples was closed in 1860. The U. S. recognized the Kingdom of Italy in 1861.
- Uganda
  Uganda
  Uganda , officially the Republic of Uganda, is a landlocked country in East Africa. Uganda is also known as the "Pearl of Africa". It is bordered on the east by Kenya, on the north by South Sudan, on the west by the Democratic Republic of the Congo, on the southwest by Rwanda, and on the south by...
  - Consulate:
  - Recognized: 1961
  - Relations established: 1962
  - Legation/embassy established: 1962
  - First ambassador: Olcott Deming
    Olcott Deming
    Olcott Hawthorne Deming was an American career diplomat who was the first ambassador of the United States to Uganda.-Early life:...
  - Relations ended: —
  - Notes:
1. The U. S. embassy in Kampala
  Kampala
  Kampala is the largest city and capital of Uganda. The city is divided into five boroughs that oversee local planning: Kampala Central Division, Kawempe Division, Makindye Division, Nakawa Division and Lubaga Division. The city is coterminous with Kampala District.-History: of Buganda, had chosen...
  
  was closed and all personnel were withdrawn in 1973 due to security concerns. In 1979 the embassy was reopened and a new ambassador was appointed in 1979.
- Ukraine
  Ukraine
  Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...
  - Consulate:
  - Recognized: 1991
  - Relations established: 1991
  - Legation/embassy established: 1992
  - First ambassador: Roman Popadiuk
    Roman Popadiuk
    Roman Popadiuk served as the United States Ambassador to Ukraine under George H.W. Bush, from 1992 to 1993. Since 1999, he has served as the Executive Director of the George Bush Presidential Library Foundation at Texas A&M University in College Station, Texas....
  - Relations ended: —
- Union of Soviet Socialist Republics (USSR) – see Russia
- United Arab Emirates
  United Arab Emirates
  The United Arab Emirates, abbreviated as the UAE, or shortened to "the Emirates", is a state situated in the southeast of the Arabian Peninsula in Western Asia on the Persian Gulf, bordering Oman, and Saudi Arabia, and sharing sea borders with Iraq, Kuwait, Bahrain, Qatar, and Iran.The UAE is a...
  - Consulate:
  - Recognized: 1971
  - Relations established: 1972
  - Legation/embassy established: 1974
  - First ambassador: William Stoltzfus
    William Stoltzfus
    William A. Stoltzfus, Jr. was a United States Foreign Service Officer and diplomat.-Early life:Stoltzfus was born in Beirut in 1924. His father was a Mennonite from Ohio and his mother a Presbyterian from Minneapolis. Stoltzfus' father was principal of a boy's school in Aleppo, Syria, and later...
  - Relations ended: —
  - Notes:
1. The first ambassador was concurrently accredited to Bahrain
  Bahrain
  ' , officially the Kingdom of Bahrain , is a small island state near the western shores of the Persian Gulf. It is ruled by the Al Khalifa royal family. The population in 2010 stood at 1,214,705, including 235,108 non-nationals. Formerly an emirate, Bahrain was declared a kingdom in 2002.Bahrain is...
  
  , Kuwait
  Kuwait
  The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...
  
  , Oman
  Oman
  Oman , officially called the Sultanate of Oman , is an Arab state in southwest Asia on the southeast coast of the Arabian Peninsula. It is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest. The coast is formed by the Arabian Sea on the...
  
  , Qatar
  Qatar
  Qatar , also known as the State of Qatar or locally Dawlat Qaṭar, is a sovereign Arab state, located in the Middle East, occupying the small Qatar Peninsula on the northeasterly coast of the much larger Arabian Peninsula. Its sole land border is with Saudi Arabia to the south, with the rest of its...
  
  , and the UAE, while resident at Kuwait. The first ambassador commissioned solely to the UAE was Michael Edmund Sterner in 1974.
- United Kingdom
  United Kingdom
  The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
  - Consulate: 1798
  - Recognized: 1783
  - Relations established: 1785
  - Legation/embassy established: 1785
  - First ambassador: John Adams
    John Adams
    John Adams was an American lawyer, statesman, diplomat and political theorist. A leading champion of independence in 1776, he was the second President of the United States...
  - Relations ended: —
  - Notes:
1. Minister Adams was concurrently commissioned to the U. K. and the Netherlands, while resident in London.
2. Adams became so frustrated with the cool reception at the court in London that he closed the legation in 1788 and the post remained vacant for four years. The next ambassador was appointed in 1792.
3. The U. S. severed diplomatic relations with the U. K. when it declared war against its former colonial ruler on June 18, 1812. Normal relations were restored in 1815 with the appointment of minister John Quincy Adams
  John Quincy Adams
  John Quincy Adams was the sixth President of the United States . He served as an American diplomat, Senator, and Congressional representative. He was a member of the Federalist, Democratic-Republican, National Republican, and later Anti-Masonic and Whig parties. Adams was the son of former...
  
  .
- Uruguay
  Uruguay
  Uruguay ,officially the Oriental Republic of Uruguay,sometimes the Eastern Republic of Uruguay; ) is a country in the southeastern part of South America. It is home to some 3.5 million people, of whom 1.8 million live in the capital Montevideo and its metropolitan area...
  - Consulate:
  - Recognized: 1836
  - Relations established: 1867
  - Legation/embassy established: 1870
  - First ambassador: Alexander Asboth
    Alexander Asboth
    Alexander Asboth was a Hungarian military leader best known for his victories as a Union general during the American Civil War. He also served as United States Ambassador to Argentina and as United States Ambassador to Uruguay.-Early life:Asboth was born in Keszthely, Hungary...
  - Relations ended: —
  - Notes:
1. Ambassador Asboth was concurrently commissioned to Argentina and Uruguay, while resident at Buenos Aires
  Buenos Aires
  Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...
  
  .
- Uzbekistan
  Uzbekistan
  Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....
  - Consulate:
  - Recognized: 1991
  - Relations established: 1991
  - Legation/embassy established: 1992
  - First ambassador: Henry Lee Clarke
  - Relations ended: —
- Vanuatu
  Vanuatu
  Vanuatu , officially the Republic of Vanuatu , is an island nation located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is some east of northern Australia, northeast of New Caledonia, west of Fiji, and southeast of the Solomon Islands, near New Guinea.Vanuatu was...
  - Consulate:
  - Recognized: 1980
  - Relations established: 1986
  - Legation/embassy established: —
  - First ambassador: Everett E. Bierman
  - Relations ended: —
  - Notes:
1. The U. S. Ambassador to Papua New Guinea
  United States Ambassador to Papua New Guinea
  Diplomatic presence of the United States of America in Papua New Guinea began on September 16, 1975 when the latter became an independent state. The United States Embassy was opened on September 10, 1975 and Mary S. Olmsted became the first U.S. Ambassador to Papua New Guinea on January 5, 1976...
  
  is concurrently accredited to the Solomon Islands and Vanuatu, while resident in Port Moresby
  Port Moresby
  Port Moresby , or Pot Mosbi in Tok Pisin, is the capital and largest city of Papua New Guinea . It is located on the shores of the Gulf of Papua, on the southeastern coast of the island of New Guinea, which made it a prime objective for conquest by the Imperial Japanese forces during 1942–43...
  
  , Papua New Guinea.
- Venezuela
  Venezuela
  Venezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...
  - Consulate: 1824
  - Recognized: 1835
  - Relations established: 1835
  - Legation/embassy established: 1835
  - First ambassador: Charles Eames (1854)
  - Relations ended: —
  - Notes:
1. The U. S. had previously recognized Venezuela as a part of Gran Colombia
  Gran Colombia
  Gran Colombia is a name used today for the state that encompassed much of northern South America and part of southern Central America from 1819 to 1831. This short-lived republic included the territories of present-day Colombia, Venezuela, Ecuador, Panama, northern Peru and northwest Brazil. The...
  
  in 1822. Venezuela was recognized separately in 1835 after the federation broke apart in 1831.
2. A series of chargés d’affaires represented the U. S. until 1854 when the first ranking minister, Charles Eames, was appointed.
3. The U. S. severed diplomatic relations with Venezuela in 1908. Relations were resumed in 1909.
4. In 2008 Venezuela declared the U. S. Ambassador persona non grata
  Persona non grata
  Persona non grata , literally meaning "an unwelcome person", is a legal term used in diplomacy that indicates a proscription against a person entering the country...
  
  and expelled him. The U. S. reciprocated by expelling the Venezuelan ambassador. Since that time, Venezuela has refused to accept Larry Palmer as the new ambassador.
- Vietnam
  Vietnam
  Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...
  
  (1)
  - Consulate: 1907
  - Recognized: 1950
  - Relations established: 1950
  - Legation/embassy established: 1950
  - First ambassador: Donald R. Heath
    Donald R. Heath
    Donald Read Heath was a member of the United States Foreign Service for more than four decades including service as the Ambassador to Cambodia , Laos , Vietnam , Lebanon and Saudi Arabia...
  - Relations ended: 1954
  - Notes:
1. The U. S. recognized the State of Vietnam
  State of Vietnam
  The State of Vietnam was a state that claimed authority over all of Vietnam during the First Indochina War, and replaced the Provisional Central Government of Vietnam . The provisional government was a brief transitional administration between colonial Cochinchina and an independent state...
  
  in 1950, which claimed authority over all of Vietnam. When Vietnam was partitioned into North and South
  Partition of Vietnam
  The Partition of Vietnam was the establishment of the 17th parallel as the Vietnamese Demilitarized Zone in 1954, splitting Vietnam into halves after the First Indochina War.The Geneva Conference was held at the conclusion of the First Indochina War...
  
  in 1954, The U. S. recognized South Vietnam
  South Vietnam
  South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...
  
  but did not recognize the communist government of North Vietnam
  North Vietnam
  The Democratic Republic of Vietnam , was a communist state that ruled the northern half of Vietnam from 1954 until 1976 following the Geneva Conference and laid claim to all of Vietnam from 1945 to 1954 during the First Indochina War, during which they controlled pockets of territory throughout...
  
  under Ho Chi Minh
  Ho Chi Minh
  Hồ Chí Minh , born Nguyễn Sinh Cung and also known as Nguyễn Ái Quốc, was a Vietnamese Marxist-Leninist revolutionary leader who was prime minister and president of the Democratic Republic of Vietnam...
  
  . The U. S. maintained its embassy in Saigon.
2. Ambassador Heath was concurrently commissioned to Vietnam and Laos, while resident at Saigon. The first resident ambassador was Charles Woodruff Yost
  Charles Woodruff Yost
  Charles Woodruff Yost was a career U.S. diplomat who was assigned as his country's representative to the United Nations from 1969 to 1971.- Biography :Charles Yost was born in Watertown, New York, on November 6, 1907...
  
  in 1954.
- Vietnam
  Vietnam
  Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...
  
  (2)
  - Consulate:
  - Recognized: 1995
  - Relations established: 1995
  - Legation/embassy established: 1995
  - First ambassador: Pete Peterson
    Pete Peterson
    Douglas Brian "Pete" Peterson was a U.S. Air Force pilot who spent over six years as a prisoner of the North Vietnamese Army after his plane was shot down during the Vietnam War. He returned to Hanoi in 1997 as the first United States Ambassador to Vietnam...
  - Relations ended: —
  - Notes:
1. A U. S. Liaison Office was opened in Hanoi in 1995 and the first ranking ambassador was appointed in 1997.
- Vietnam, South
  South Vietnam
  South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...
  - Consulate:
  - Recognized: 1950
  - Relations established: 1950
  - Legation/embassy established: 1950
  - First ambassador: Donald R. Heath
    Donald R. Heath
    Donald Read Heath was a member of the United States Foreign Service for more than four decades including service as the Ambassador to Cambodia , Laos , Vietnam , Lebanon and Saudi Arabia...
  - Relations ended: 1975
  - Notes:
1. The U. S. embassy in Saigon was closed and all personnel evacuated April 29, 1975, the day before the Fall of Saigon
  Fall of Saigon
  The Fall of Saigon was the capture of Saigon, the capital of South Vietnam, by the People's Army of Vietnam and the National Liberation Front on April 30, 1975...
  
  .
- Württemberg, Kingdom of
  Kingdom of Württemberg
  The Kingdom of Württemberg was a state that existed from 1806 to 1918, located in present-day Baden-Württemberg, Germany. It was a continuation of the Duchy of Württemberg, which came into existence in 1495...
  - Consulate: 1842
  - Recognized: 1825
  - Relations established: —
  - Legation/embassy established: —
  - First ambassador: —
  - Relations ended: 1871
  - Notes:
1. U. S. Ambassador to Prussia George Bancroft
  George Bancroft
  George Bancroft was an American historian and statesman who was prominent in promoting secondary education both in his home state and at the national level. During his tenure as U.S. Secretary of the Navy, he established the United States Naval Academy at Annapolis in 1845...
  
  was given special accreditation to the Kingdom of Württemberg but is not listed as official minister.
2. In 1871 Württemberg became a member of the new German Empire
  German Empire
  The German Empire refers to Germany during the "Second Reich" period from the unification of Germany and proclamation of Wilhelm I as German Emperor on 18 January 1871, to 1918, when it became a federal republic after defeat in World War I and the abdication of the Emperor, Wilhelm II.The German...
  
  and ceased to exist as a sovereign state.
- Yemen, North
  North Yemen
  North Yemen is a term currently used to designate the Yemen Arab Republic , its predecessor, the Mutawakkilite Kingdom of Yemen , and their predecessors that exercised sovereignty over the territory that is now the north-western part of the state of Yemen in southern Arabia.Neither state ever...
  - Consulate:
  - Recognized: 1946
  - Relations established: 1946
  - Legation/embassy established: 1959
  - First ambassador: James Rives Childs (1946)
  - Relations ended: 1990
  - Notes:
1. The U. S. recognized the Mutawakkilite Kingdom of Yemen
  Mutawakkilite Kingdom of Yemen
  The Mutawakkilite Kingdom of Yemen , sometimes spelled Mutawakelite Kingdom of Yemen, also known as the Kingdom of Yemen or as North Yemen, was a country from 1918 to 1962 in the northern part of what is now Yemen...
  
  in 1946. The U. S. again recognized the government when it became the Yemen Arab Republic
  Yemen Arab Republic
  The Yemen Arab Republic , also known as North Yemen or Yemen , was a country from 1962 to 1990 in the western part of what is now Yemen...
  
  following a coup d’état in 1962.
2. Ambassador Childs was concurrently accredited to Saudi Arabia and the Kingdom of Yemen, while resident at Jeddah
  Jeddah
  Jeddah, Jiddah, Jidda, or Jedda is a city located on the coast of the Red Sea and is the major urban center of western Saudi Arabia. It is the largest city in Makkah Province, the largest sea port on the Red Sea, and the second largest city in Saudi Arabia after the capital city, Riyadh. The...
  
  . The first ambassador solely accredited to North Yemen was Donald R. Heath
  Donald R. Heath
  Donald Read Heath was a member of the United States Foreign Service for more than four decades including service as the Ambassador to Cambodia , Laos , Vietnam , Lebanon and Saudi Arabia...
  
  in 1957. However, Heath did not present his credentials, so he was not officially the ambassador. The next official ambassador was Raymond A. Hare
  Raymond A. Hare
  Raymond Arthur Hare was a United States diplomat, who was Director General of the United States Foreign Service from 1954 to 1956 and Assistant Secretary of State for Near Eastern and South Asian Affairs from 1965 to 1966.-Early years, 1901—1939:...
  
  in 1959.
3. In 1966 the U. S. embassy was moved from Ta'izz
  Ta'izz
  Ta'izz , or Taiz, is a city in the Yemeni Highlands, near the famous Mocha port on the Red Sea, lying at an elevation of about 1,400 metres above sea level. It is the capital of Ta'izz Governorate...
  
  to Sana'a
  Sana'a
  -Districts:*Al Wahdah District*As Sabain District*Assafi'yah District*At Tahrir District*Ath'thaorah District*Az'zal District*Bani Al Harith District*Ma'ain District*Old City District*Shu'aub District-Old City:...
  
  .
4. 1962–1967, during a period of civil war in North Yemen, there was no ambassador commissioned to the Yemen Arab Republic. A series of chargés d’affaires represented the U. S.
5. The Yemen Arab Republic (North Yemen) severed relations with the United States on June 7, 1967 in the wake of the Arab-Israeli Six-Day War
  Six-Day War
  The Six-Day War , also known as the June War, 1967 Arab-Israeli War, or Third Arab-Israeli War, was fought between June 5 and 10, 1967, by Israel and the neighboring states of Egypt , Jordan, and Syria...
  
  . Normal relations were reestablished in 1972 and the embassy was reopened.
6. In 1990, the Yemen Arab Republic (North Yemen) and the People's Democratic Republic of Yemen (South Yemen) united to form the Republic of Yemen.
- Yemen, South
  - Consulate:
  - Recognized: 1967
  - Relations established: 1967
  - Legation/embassy established: 1967
  - First ambassador: —
  - Relations ended: 1990
  - Notes:
1. The People's Democratic Republic of Yemen (South Yemen) severed diplomatic relations with the United States on October 24, 1969. William L. Eagleton
  William L. Eagleton
  William Lester Eagleton, Jr. was a United States Foreign Service Officer and diplomat.-Early life:Born in Peoria, Illinois, Eagleton served in the United States Navy from 1944–46, and graduated from Yale University in 1948. He joined the U.S...
  
  was the first and last chargé d’affaires at the embassy at Aden
  Aden
  Aden is a seaport city in Yemen, located by the eastern approach to the Red Sea , some 170 kilometres east of Bab-el-Mandeb. Its population is approximately 800,000. Aden's ancient, natural harbour lies in the crater of an extinct volcano which now forms a peninsula, joined to the mainland by a...
  
  . No ambassador had been appointed when relations were severed. Relations were resumed briefly in April 1990 and ended in May 1990 when North and South Yemen joined to form the Republic of Yemen. The embassy in Aden was never reopened.
2. In 1990, the Yemen Arab Republic (North Yemen) and the People's Democratic Republic of Yemen (South Yemen) united to form the Republic of Yemen.
- Yemen
  Yemen
  The Republic of Yemen , commonly known as Yemen , is a country located in the Middle East, occupying the southwestern to southern end of the Arabian Peninsula. It is bordered by Saudi Arabia to the north, the Red Sea to the west, and Oman to the east....
  
  (Republic of Yemen)
  - Consulate:
  - Recognized: 1990
  - Relations established: 1990
  - Legation/embassy established: 1990
  - First ambassador: Charles Franklin Dunbar
  - Relations ended: —
  - Notes:
1. In 1990, the Republic of Yemen was formed by the union of the Yemen Arab Republic (North Yemen) and the People's Democratic Republic of Yemen (South Yemen).
2. Ambassador Dunbar had been the ambassador to North Yemen and continued as ambassador to united Republic of Yemen.
- Yugoslavia
  Yugoslavia
  Yugoslavia refers to three political entities that existed successively on the western part of the Balkans during most of the 20th century....
  
  – see Serbia
- Zambia
  Zambia
  Zambia , officially the Republic of Zambia, is a landlocked country in Southern Africa. The neighbouring countries are the Democratic Republic of the Congo to the north, Tanzania to the north-east, Malawi to the east, Mozambique, Zimbabwe, Botswana and Namibia to the south, and Angola to the west....
  - Consulate:
  - Recognized: 1964
  - Relations established: 1964
  - Legation/embassy established: 1964
  - First ambassador: Robert Crocker Good (1965)
  - Relations ended: —
- Zimbabwe
  Zimbabwe
  Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...
  - Consulate:
  - Recognized: 1980
  - Relations established: 1980
  - Legation/embassy established: 1980
  - First ambassador: Robert V. Keeley
    Robert V. Keeley
    Ambassador Robert Vossler Keeley had a 34-year career in the Foreign Service of the United States, from 1956 to 1989. He served three times as Ambassador: to Greece , Zimbabwe , and Mauritius...
  - Relations ended: —
  - Notes:
1. The U. S. never recognized Rhodesia
  Rhodesia
  Rhodesia , officially the Republic of Rhodesia from 1970, was an unrecognised state located in southern Africa that existed between 1965 and 1979 following its Unilateral Declaration of Independence from the United Kingdom on 11 November 1965...
  
  , nor Zimbabwe Rhodesia
  Zimbabwe Rhodesia
  Zimbabwe Rhodesia , officially the Republic of Zimbabwe Rhodesia, was an unrecognized state that existed from 1 June 1979 to 12 December 1979...
  
  , the predecessor states to Zimbabwe.
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