1861 in the United States
Encyclopedia
Events from the year 1861 in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. This year marked the beginning of the American Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

.

Incumbents

  • President
    President of the United States
    The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

    : James Buchanan
    James Buchanan
    James Buchanan, Jr. was the 15th President of the United States . He is the only president from Pennsylvania, the only president who remained a lifelong bachelor and the last to be born in the 18th century....

     (Democratic
    Democratic Party (United States)
    The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

    ) (until March 4), Abraham Lincoln
    Abraham Lincoln
    Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

     (Republican
    Republican Party (United States)
    The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

    /National Union
    National Union Party (United States)
    The National Union Party was the name used by the Republican Party for the national ticket in the 1864 presidential election, held during the Civil War. State Republican parties did not usually change their name....

    ) (starting March 4)
  • Vice President
    Vice President of the United States
    The Vice President of the United States is the holder of a public office created by the United States Constitution. The Vice President, together with the President of the United States, is indirectly elected by the people, through the Electoral College, to a four-year term...

    : John C. Breckinridge
    John C. Breckinridge
    John Cabell Breckinridge was an American lawyer and politician. He served as a U.S. Representative and U.S. Senator from Kentucky and was the 14th Vice President of the United States , to date the youngest vice president in U.S...

     (Democratic
    Democratic Party (United States)
    The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

    ) (until March 4), Hannibal Hamlin
    Hannibal Hamlin
    Hannibal Hamlin was the 15th Vice President of the United States , serving under President Abraham Lincoln during the American Civil War...

     (Republican
    Republican Party (United States)
    The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

    ) (starting March 4)
  • Chief Justice
    Chief Justice of the United States
    The Chief Justice of the United States is the head of the United States federal court system and the chief judge of the Supreme Court of the United States. The Chief Justice is one of nine Supreme Court justices; the other eight are the Associate Justices of the Supreme Court of the United States...

    : Roger B. Taney
    Roger B. Taney
    Roger Brooke Taney was the fifth Chief Justice of the United States, holding that office from 1836 until his death in 1864. He was the first Roman Catholic to hold that office or sit on the Supreme Court of the United States. He was also the eleventh United States Attorney General. He is most...

  • Speaker of the House of Representatives
    Speaker of the United States House of Representatives
    The Speaker of the United States House of Representatives, or Speaker of the House, is the presiding officer of the United States House of Representatives...

    : William Pennington
    William Pennington
    William Pennington was an American politician and lawyer, the Governor of New Jersey, and Speaker of the House during his one term in Congress....

     (R
    Republican Party (United States)
    The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

    -New Jersey) (until March 4), Galusha A. Grow
    Galusha A. Grow
    Galusha Aaron Grow was a prominent U.S. politician, lawyer, writer and businessman, and was Speaker of the House of Representatives from 1861 to 1863. He was defeated for reelection in 1862...

     (R
    Republican Party (United States)
    The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

    -Pennsylvania) (starting July 4)
  • Congress
    United States Congress
    The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

    : 36th
    36th United States Congress
    The Thirty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1859 to March 4, 1861, during the third and fourth...

     (until March 4), 37th
    37th United States Congress
    The Thirty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1861 to March 4, 1863, during the first two...

     (starting March 4)

January–March

  • January 3 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Delaware
    Delaware
    Delaware is a U.S. state located on the Atlantic Coast in the Mid-Atlantic region of the United States. It is bordered to the south and west by Maryland, and to the north by Pennsylvania...

     votes not to secede from the Union.
  • January 9 – Mississippi
    Mississippi
    Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...

     becomes the second state to secede from the Union, preceding the American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    .
  • January 10 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Florida
    Florida
    Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

     secedes from the Union.
  • January 11 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Alabama
    Alabama
    Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

     secedes from the Union.
  • January 12 – Major Robert Anderson sends dispatches to Washington.
  • January 18 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Georgia
    Georgia (U.S. state)
    Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

     secedes from the Union.
  • January 21 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Jefferson Davis
    Jefferson Davis
    Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

     resigns from the United States Senate
    United States Senate
    The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

    .
  • January 26 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

     secedes from the Union.
  • January 29 – Kansas
    Kansas
    Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

     is admitted as the 34th U.S. state
    U.S. state
    A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

    .
  • February 1 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

     secedes from the Union.
  • February 4 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Delegates from six seceded states meet at the Montgomery Convention
    Montgomery Convention
    The Montgomery Convention marked the formal beginning of the Confederate States of America. Convened in Montgomery, Alabama the Convention organized a provisional government for the Confederacy and created the Constitution of the Confederate States of America....

     in Montgomery, Alabama
    Montgomery, Alabama
    Montgomery is the capital of the U.S. state of Alabama, and is the county seat of Montgomery County. It is located on the Alabama River southeast of the center of the state, in the Gulf Coastal Plain. As of the 2010 census, Montgomery had a population of 205,764 making it the second-largest city...

    .
  • February 8 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : The Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     adopts the Provisional Confederate States Constitution
    Provisional Confederate States Constitution
    The Provisional Constitution of the Confederate States of America was an interim constitution adopted by the Confederacy and in force from February 8, 1861 to March 11, 1861. On March 11 it was superseded by the more permanent Constitution of the Confederate States of America...

    .
  • February 9 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Jefferson Davis
    Jefferson Davis
    Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

     is elected the Provisional President of the Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     by the Weed Convention at Montgomery, Alabama
    Montgomery, Alabama
    Montgomery is the capital of the U.S. state of Alabama, and is the county seat of Montgomery County. It is located on the Alabama River southeast of the center of the state, in the Gulf Coastal Plain. As of the 2010 census, Montgomery had a population of 205,764 making it the second-largest city...

    .
  • February 11 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : The U.S. House unanimously passes a resolution guaranteeing non-interference with slavery in any state.
  • February 18 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : In Montgomery, Alabama
    Montgomery, Alabama
    Montgomery is the capital of the U.S. state of Alabama, and is the county seat of Montgomery County. It is located on the Alabama River southeast of the center of the state, in the Gulf Coastal Plain. As of the 2010 census, Montgomery had a population of 205,764 making it the second-largest city...

    , Jefferson Davis
    Jefferson Davis
    Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

     is inaugurated as the provisional president of the Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

    .
  • February 23 – President-elect Abraham Lincoln
    Abraham Lincoln
    Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

     arrives secretly in Washington, D.C.
    Washington, D.C.
    Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

     after an assassination
    Assassination
    To carry out an assassination is "to murder by a sudden and/or secret attack, often for political reasons." Alternatively, assassination may be defined as "the act of deliberately killing someone, especially a public figure, usually for hire or for political reasons."An assassination may be...

     attempt in Baltimore, Maryland.
  • February 28 – Colorado
    Colorado
    Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...

     is organized as a United States territory
    Political divisions of the United States
    The political units and divisions of the United States include:*The 50 states are subdivided into counties . The counties may be further subdivided into townships, or towns in New York and New England...

    .
  • March 2 – Nevada
    Nevada
    Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...

     is organized as a United States territory
    Political divisions of the United States
    The political units and divisions of the United States include:*The 50 states are subdivided into counties . The counties may be further subdivided into townships, or towns in New York and New England...

    .
  • March 4 – President Abraham Lincoln
    Abraham Lincoln
    Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

     takes office, succeeding James Buchanan
    James Buchanan
    James Buchanan, Jr. was the 15th President of the United States . He is the only president from Pennsylvania, the only president who remained a lifelong bachelor and the last to be born in the 18th century....

    .
  • March 4 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : The Stars and Bars
    Stars and bars
    Stars and bars may refer to* The first official flag of the Confederate States of America* A graphical method used to derive the formula for multiset coefficients and other combinatorial theorems* A 1988 film starring Daniel Day-Lewis...

     is adopted as the flag of the Confederate States of America.
  • March 11 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : The Confederate States Constitution
    Confederate States Constitution
    The Constitution of the Confederate States of America was the supreme law of the Confederate States of America, as adopted on March 11, 1861 and in effect through the conclusion of the American Civil War. The Confederacy also operated under a Provisional Constitution from February 8, 1861 to March...

     is adopted.

April–June

  • April 12 – Battle of Fort Sumter
    Battle of Fort Sumter
    The Battle of Fort Sumter was the bombardment and surrender of Fort Sumter, near Charleston, South Carolina, that started the American Civil War. Following declarations of secession by seven Southern states, South Carolina demanded that the U.S. Army abandon its facilities in Charleston Harbor. On...

    : The American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

     begins at Fort Sumter
    Fort Sumter
    Fort Sumter is a Third System masonry coastal fortification located in Charleston Harbor, South Carolina. The fort is best known as the site upon which the shots initiating the American Civil War were fired, at the Battle of Fort Sumter.- Construction :...

    , South Carolina
    South Carolina
    South Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...

    .
  • April 13 – Battle of Fort Sumter
    Battle of Fort Sumter
    The Battle of Fort Sumter was the bombardment and surrender of Fort Sumter, near Charleston, South Carolina, that started the American Civil War. Following declarations of secession by seven Southern states, South Carolina demanded that the U.S. Army abandon its facilities in Charleston Harbor. On...

    : Fort Sumter
    Fort Sumter
    Fort Sumter is a Third System masonry coastal fortification located in Charleston Harbor, South Carolina. The fort is best known as the site upon which the shots initiating the American Civil War were fired, at the Battle of Fort Sumter.- Construction :...

     surrenders to Southern forces.
  • April 17 – The state of Virginia
    Virginia
    The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

     secedes from the Union.
  • April 20 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Robert E. Lee
    Robert E. Lee
    Robert Edward Lee was a career military officer who is best known for having commanded the Confederate Army of Northern Virginia in the American Civil War....

     resigns his commission in the United States Army
    United States Army
    The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

     in order to command the forces of the state of Virginia
    Virginia
    The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

    .
  • April 25 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : The Union Army
    Union Army
    The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

     arrives in Washington, D.C.
    Washington, D.C.
    Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

  • April 27 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    :
    • President Abraham Lincoln
      Abraham Lincoln
      Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

       suspends the writ of habeas corpus in the United States.
    • West Virginia
      West Virginia
      West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...

       secedes from Virginia
      Virginia
      The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

      .
  • May 6 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Arkansas
    Arkansas
    Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...

     secedes from the Union
    Union (American Civil War)
    During the American Civil War, the Union was a name used to refer to the federal government of the United States, which was supported by the twenty free states and five border slave states. It was opposed by 11 southern slave states that had declared a secession to join together to form the...

    .
  • May 7 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Tennessee
    Tennessee
    Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...

     secedes from the Union
    Union (American Civil War)
    During the American Civil War, the Union was a name used to refer to the federal government of the United States, which was supported by the twenty free states and five border slave states. It was opposed by 11 southern slave states that had declared a secession to join together to form the...

    .
  • May 8 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Richmond, Virginia
    Richmond, Virginia
    Richmond is the capital of the Commonwealth of Virginia, in the United States. It is an independent city and not part of any county. Richmond is the center of the Richmond Metropolitan Statistical Area and the Greater Richmond area...

     is named the capital of the Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

    .
  • May 10 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

     – Camp Jackson Affair: Union military forces
    Union Army
    The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

     clash with civilians on the streets of St. Louis, Missouri
    St. Louis, Missouri
    St. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...

    , resulting in the deaths of at least 28 people and injuries to another 100.
  • May 13 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Queen Victoria issues a "proclamation of neutrality
    Neutral country
    A neutral power in a particular war is a sovereign state which declares itself to be neutral towards the belligerents. A non-belligerent state does not need to be neutral. The rights and duties of a neutral power are defined in Sections 5 and 13 of the Hague Convention of 1907...

    " which recognizes the breakaway states
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     as having belligerent rights.
  • May 20 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Kentucky
    Kentucky
    The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

     proclaims its neutrality
    Neutral country
    A neutral power in a particular war is a sovereign state which declares itself to be neutral towards the belligerents. A non-belligerent state does not need to be neutral. The rights and duties of a neutral power are defined in Sections 5 and 13 of the Hague Convention of 1907...

     which lasts until September 3, when Confederate
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     forces enter the state.
  • May 20 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : North Carolina
    North Carolina
    North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...

     secedes from the Union.

July–September

  • July 13 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : The Battle of Corrick's Ford
    Battle of Corrick's Ford
    The Battle of Corrick's Ford took place on July 13, 1861, on the Cheat River in western Virginia as part of the Operations in Western Virginia Campaign during the American Civil War. By later standards the battle was a minor skirmish...

     takes place in western Virginia
    Virginia
    The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

    .
  • July 21 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

     – First Battle of Bull Run
    First Battle of Bull Run
    First Battle of Bull Run, also known as First Manassas , was fought on July 21, 1861, in Prince William County, Virginia, near the City of Manassas...

    : At Manassas Junction, Virginia
    Virginia
    The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

    , the first major battle of the war ends in a Confederate
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     victory.
  • July 25 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : The Crittenden-Johnson Resolution
    Crittenden-Johnson Resolution
    The Crittenden-Johnson Resolution was passed by the United States Congress on July 25, 1861 after the start of the American Civil War, which began on April 12, 1861....

     is passed by the U.S. Congress, stating that the war is being fought to preserve the Union and not to end slavery
    Slavery
    Slavery is a system under which people are treated as property to be bought and sold, and are forced to work. Slaves can be held against their will from the time of their capture, purchase or birth, and deprived of the right to leave, to refuse to work, or to demand compensation...

    .
  • July 26 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : George B. McClellan
    George B. McClellan
    George Brinton McClellan was a major general during the American Civil War. He organized the famous Army of the Potomac and served briefly as the general-in-chief of the Union Army. Early in the war, McClellan played an important role in raising a well-trained and organized army for the Union...

     assumes command of the Army of the Potomac
    Army of the Potomac
    The Army of the Potomac was the major Union Army in the Eastern Theater of the American Civil War.-History:The Army of the Potomac was created in 1861, but was then only the size of a corps . Its nucleus was called the Army of Northeastern Virginia, under Brig. Gen...

     following a disastrous Union defeat at the First Battle of Bull Run
    First Battle of Bull Run
    First Battle of Bull Run, also known as First Manassas , was fought on July 21, 1861, in Prince William County, Virginia, near the City of Manassas...

    .
  • August 5
    • American Civil War
      American Civil War
      The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

      : In order to help pay for the war effort, the United States government issues the first income tax
      Income tax
      An income tax is a tax levied on the income of individuals or businesses . Various income tax systems exist, with varying degrees of tax incidence. Income taxation can be progressive, proportional, or regressive. When the tax is levied on the income of companies, it is often called a corporate...

       as part of the Revenue Act of 1861
      Revenue Act of 1861
      The Revenue Act of 1861, formally cited as , included the first U.S. Federal income tax statute . The Act, motivated by the need to fund the Civil War , imposed an income tax to be "levied, collected, and paid, upon the annual income of every person residing in the United States, whether such...

       (3% of all incomes over US $800; rescinded in 1872).
    • The U.S. Army abolishes flogging.
  • September 3 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Confederate
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     General Leonidas Polk
    Leonidas Polk
    Leonidas Polk was a Confederate general in the American Civil War who was once a planter in Maury County, Tennessee, and a second cousin of President James K. Polk...

     invades neutral Kentucky
    Kentucky
    The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

    , prompting the state legislature to ask for Union assistance.
  • September 6 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Forces under Union General Ulysses S. Grant
    Ulysses S. Grant
    Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...

     bloodlessly capture Paducah, Kentucky
    Paducah, Kentucky
    Paducah is the largest city in Kentucky's Jackson Purchase Region and the county seat of McCracken County, Kentucky, United States. It is located at the confluence of the Tennessee River and the Ohio River, halfway between the metropolitan areas of St. Louis, Missouri, to the west and Nashville,...

    , which gives the Union control the mouth of the Tennessee River
    Tennessee River
    The Tennessee River is the largest tributary of the Ohio River. It is approximately 652 miles long and is located in the southeastern United States in the Tennessee Valley. The river was once popularly known as the Cherokee River, among other names...

    .

October–December

  • October 9 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

     – Battle of Santa Rosa Island
    Battle of Santa Rosa Island
    The Battle of Santa Rosa Island was an unsuccessful Confederate attempt to take Union-held Fort Pickens on Santa Rosa Island, Florida.- Background :...

    : Confederate forces are defeated in their effort to take the island.
  • October 21 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

     – Battle of Ball's Bluff
    Battle of Ball's Bluff
    The Battle of Ball's Bluff, also known as the Battle of Harrison’s Island or the Battle of Leesburg, was fought on October 21, 1861, in Loudoun County, Virginia, as part of Union Maj. Gen. George B...

    : Union forces under Colonel Edward Baker
    Edward Dickinson Baker
    Edward Dickinson Baker was an English-born American politician, lawyer, military leader. In his political career, Baker served in the U.S. House of Representatives from Illinois and later as a U.S. Senator from Oregon. A long-time close friend of U.S. President Abraham Lincoln, Baker served as U.S...

     are defeated by Confederate
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     troops in the second major battle of the war. Baker, a close friend of Abraham Lincoln
    Abraham Lincoln
    Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

    , is killed in the fighting.
  • October 28 – The Missouri
    Missouri
    Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

     legislature takes up a bill for Missouri's secession from the Union.
  • October 30 – The bill is passed for Missouri
    Missouri
    Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

    's secession from the Union.
  • October 31
    • Missouri
      Missouri
      Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

      's secession from the Union bill is signed by Governor Claiborne Fox Jackson
      Claiborne Fox Jackson
      Claiborne Fox Jackson was a lawyer, soldier, and Democratic politician from Missouri. He was the 15th Governor of Missouri in 1861, then governor-in-exile for the Confederacy during the American Civil War.-Early life:...

      .
    • American Civil War
      American Civil War
      The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

      : Citing failing health, Union General Winfield Scott
      Winfield Scott
      Winfield Scott was a United States Army general, and unsuccessful presidential candidate of the Whig Party in 1852....

       resigns as Commander of the United States Army
      United States Army
      The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

      .
  • November 1 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : U.S. President Abraham Lincoln
    Abraham Lincoln
    Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

     appoints George B. McClellan
    George B. McClellan
    George Brinton McClellan was a major general during the American Civil War. He organized the famous Army of the Potomac and served briefly as the general-in-chief of the Union Army. Early in the war, McClellan played an important role in raising a well-trained and organized army for the Union...

     as commander of the Union Army
    Union Army
    The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

    , replacing the aged General Winfield Scott
    Winfield Scott
    Winfield Scott was a United States Army general, and unsuccessful presidential candidate of the Whig Party in 1852....

    .
  • November 2 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Western Department Union General John C. Fremont
    John C. Frémont
    John Charles Frémont , was an American military officer, explorer, and the first candidate of the anti-slavery Republican Party for the office of President of the United States. During the 1840s, that era's penny press accorded Frémont the sobriquet The Pathfinder...

     is relieved of command and replaced by David Hunter
    David Hunter
    David Hunter was a Union general in the American Civil War. He achieved fame by his unauthorized 1862 order emancipating slaves in three Southern states and as the president of the military commission trying the conspirators involved with the assassination of President Abraham Lincoln.-Early...

    .
  • November 6 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Jefferson Davis
    Jefferson Davis
    Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

     is elected president of the Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

    .
  • November 7 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

     – Battle of Belmont
    Battle of Belmont
    The Battle of Belmont was fought on November 7, 1861, in Mississippi County, Missouri. It was the first combat test in the American Civil War for Brig. Gen. Ulysses S. Grant, the future Union Army general in chief and eventual U.S...

    : In Belmont, Missouri
    Mississippi County, Missouri
    Mississippi County is a county located in the Bootheel of Southeast Missouri in the United States. As of the 2000 U.S. Census, the county's population was 13,427. A 2008 estimate, however, showed the population to be 13,504. The largest city and county seat is Charleston...

    , Union forces led by General Ulysses S. Grant
    Ulysses S. Grant
    Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...

     overrun a Confederate
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     camp but are forced to retreat when Confederate reinforcements arrive.
  • November 8 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

     – Trent Affair
    Trent affair
    The Trent Affair, also known as the Mason and Slidell Affair, was an international diplomatic incident that occurred during the American Civil War...

    : The USS San Jacinto
    USS San Jacinto (1850)
    The first USS San Jacinto was an early screw frigate in the United States Navy during the mid-19th century. She was named for the San Jacinto River, site of the Battle of San Jacinto during the Texas Revolution. She is perhaps best known for her role in the Trent Affair of 1861.San Jacinto was laid...

     stops the 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...

     mail ship Trent and arrests two Confederate
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     envoys, James Mason and John Slidell
    John Slidell
    John Slidell was an American politician, lawyer and businessman. A native of New York, Slidell moved to Louisiana as a young man and became a staunch defender of southern rights as a U.S. Representative and Senator...

    , sparking a diplomatic crisis between the U.K. and U.S.
  • November 21 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Confederate
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     President Jefferson Davis
    Jefferson Davis
    Jefferson Finis Davis , also known as Jeff Davis, was an American statesman and leader of the Confederacy during the American Civil War, serving as President for its entire history. He was born in Kentucky to Samuel and Jane Davis...

     appoints Judah Benjamin Secretary of War.
  • November 28 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Acting on the ordinance passed by the Jackson government, the Confederate Congress admits Missouri
    Missouri
    Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

     as the 12th Confederate state.
  • December 10 – American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    : Kentucky
    Kentucky
    The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

     is accepted into the Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

    .

Ongoing

Secession crisis (1860–1861)
  • American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    (1861–1865)
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