Prime Minister of the United Kingdom
Overview
 
The Prime Minister of the United Kingdom of Great Britain and Northern Ireland is the Head of
Head of government
Head of government is the chief officer of the executive branch of a government, often presiding over a cabinet. In a parliamentary system, the head of government is often styled prime minister, chief minister, premier, etc...

 Her Majesty's Government
Government of the United Kingdom
Her Majesty's Government is the central government of the United Kingdom of Great Britain and Northern Ireland. The Government is led by the Prime Minister, who selects all the remaining Ministers...

 in 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...

. The Prime Minister and Cabinet
Cabinet of the United Kingdom
The Cabinet of the United Kingdom is the collective decision-making body of Her Majesty's Government in the United Kingdom, composed of the Prime Minister and some 22 Cabinet Ministers, the most senior of the government ministers....

 (consisting of all the most senior ministers
Minister (government)
A minister is a politician who holds significant public office in a national or regional government. Senior ministers are members of the cabinet....

, who are government department heads) are collectively accountable for their policies and actions to the Sovereign
Monarchy of the United Kingdom
The monarchy of the United Kingdom is the constitutional monarchy of the United Kingdom and its overseas territories. The present monarch, Queen Elizabeth II, has reigned since 6 February 1952. She and her immediate family undertake various official, ceremonial and representational duties...

, to Parliament
Parliament of the United Kingdom
The Parliament of the United Kingdom of Great Britain and Northern Ireland is the supreme legislative body in the United Kingdom, British Crown dependencies and British overseas territories, located in London...

, to their political party and ultimately to the electorate
Electorate
Electorate may refer to:* voters, people entitled to vote in an election* electoral district or constituency, the geographic area of a particular election* The dominion of a Prince-elector in the Holy Roman Empire...

.
Timeline

1721    Sir Robert Walpole enters office as the first Prime Minister of the United Kingdom under King George I.

1742    Spencer Compton, Earl of Wilmington, becomes British Prime Minister.

1743    Henry Pelham becomes British Prime Minister.

1782    Charles Watson-Wentworth, 2nd Marquess of Rockingham becomes Prime Minister of the United Kingdom.

1830    Charles Grey, (2nd Earl Grey), became Prime Minister of the United Kingdom.

1908    H. H. Asquith of the Liberal Party takes office as Prime Minister of the United Kingdom, succeeding Sir Henry Campbell-Bannerman

1924    Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.

1943    World War II: British Prime Minister Winston Churchill and U.S. President Franklin D. Roosevelt set Monday, May 1, 1944 as the date for the Normandy landings ("D-Day"). It would later be delayed over a month due to bad weather.

1943    British Overseas Airways Corporation Flight 777 is shot down over the Bay of Biscay by German Junkers Ju 88s, killing actor Leslie Howard and leading to speculation the downing was an attempt to kill British Prime Minister Winston Churchill.

1945    World War II: the leaders of the three Allied nations, Prime Minister of the United Kingdom Winston Churchill, President of the United States Harry S Truman and Soviet Premier Joseph Stalin, meet in the German city of Potsdam to decide the future of a defeated Germany.

 
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