* 1939 – 1945, the Second Battle of the Atlantic.

* 1945 – World War II: Sarajevo is liberated from German and Croatian forces by the Yugoslav Partisans.

* 1945 – World War II: the Battle of Slater's Knoll on Bougainville comes to an end.

* 1945 – Neal Boortz, American radio personality

* 1945 – U. S. President Franklin D. Roosevelt dies while in office ; vice-president Harry Truman is sworn in as the 33rd President.

* 1945 – Lee Jong-wook, Korean Director-General of the World Health Organization ( d. 2006 )

* 1945 – World War II: Führerbunker: Adolf Hitler and Eva Braun commit suicide after being married for one day.

* 1945 – Annie Dillard, American writer

* 1945 – Mimi Fariña, American singer-songwriter, musician, and activist ( d. 2001 )

* 1945 – Michael J. Smith, American astronaut ( d. 1986 )

* 1871 – Theodore Dreiser, American author ( d. 1945 )

* 1905 – Aris Velouchiotis, Greek military leader ( d. 1945 )

* 1945 – Jan Sloot, Dutch inventor ( d. 1999 )

* 1945 – World War II: Hiroshima, Japan is devastated when the atomic bomb " Little Boy " is dropped by the United States B-29 Enola Gay.

* 1945 – Ron Jones, English director ( d. 1993 )

* 1945 – Andy Messersmith, American baseball player

* 1945 – World War II: Nagasaki, Japan is devastated when an atomic bomb, Fat Man, is dropped by the United States B-29 Bockscar.

* 1945 – World War II: The Soviet Union declares war on Japan and begins the Manchurian Strategic Offensive Operation.

* 1945 – Barbara Delinsky, American author

* 1945 – Aleksandr Gorelik, Russian figure skater ( d. 2012 )

* 1945 – Posy Simmonds, English cartoonist

* 1866 – Giovanni Agnelli, Italian businessman, founded Fiat S. p. A ( d. 1945 )

* 1945 – Lars Engqvist, Swedish politician

* 1945 – Robin Jackman, English cricketer

* 1897 – Karl-Otto Koch, German SS officer ( d. 1945 )

At the 1945 general election, Sinclair and many of his colleagues lost their seats to both Conservatives and Labour, and the party returned just 12 MPs to Westminster.

Clement Richard Attlee, 1st Earl Attlee, KG, OM, CH, PC, FRS ( 3 January 1883 – 8 October 1967 ) was a British Labour politician who served as the Prime Minister of the United Kingdom from 1945 to 1951, and as the Leader of the Labour Party from 1935 to 1955.

He was also the first person to hold the office of Deputy Prime Minister, under Winston Churchill in the wartime coalition government, before leading the Labour Party to a landslide election victory over Churchill's Conservative Party in 1945.

Labour lost the general election of 1951 to Churchill's renewed Conservatives, despite polling more votes than in the 1945 election and more votes nationwide than the Conservative party.

It was also the first full coalition in Britain since 1945, having been formed 70 years virtually to the day after the establishment of Winston Churchill's wartime coalition, although there had been the " Lib-Lab pact ", an agreement stopping short of a full coalition between the Labour and Liberal parties, from March 1977 until July 1978, when a series of by-election defeats had eroded Labour's majority of three seats which had been gained at the October 1974 election.

According to Newsinger, although Orwell " was always critical of the 1945 – 51 Labour government's moderation, his support for it began to pull him to the right politically.

Anderson assisted in nailing the Red flag to the roof of the Junior Officers mess in Annan Parbat, in August 1945, after the victory of the Labour Party in the general election was confirmed.

After some consideration, she agreed to become the first Labour nominee for the presidency and the first woman candidate in what was only the second presidential election to be contested by three candidates since 1945.

Stalin, Churchill, and Truman — as well as Attlee, who participated alongside Churchill while awaiting the outcome of the 1945 general election, and then replaced Churchill as Prime Minister after the Labour Party's victory over the Conservatives — gathered to decide how to administer punishment to the defeated Nazi Germany, which had agreed to unconditional surrender nine weeks earlier, on 8 May ( V-E Day ).

His father was imprisoned during the 1926 General Strike for his involvement in a riot and later became Member of Parliament for Pontypool, Parliamentary Private Secretary to Clement Attlee, and briefly a minister in the 1945 Labour government.

In the biography of the 1945 UK Labour Party Prime Minister Clement Attlee, Francis Beckett states: " the government ... wanted what would become known as a mixed economy ".

In 1945, the British Labour Party, led by Clement Attlee, was elected to office based upon a radical socialist programme.

Clement Attlee, U. K. Prime Minister, Labour Party ( UK ) | Labour Party government, 1945 – 51.

Unemployment benefits, national insurance and state pensions were introduced by the 1945 Labour government.

* July 26 – Winston Churchill resigns as the United Kingdom's Prime Minister after his Conservative Party is soundly defeated by the Labour Party in the 1945 general election.

** International Labour Organization ( ILO ) In 1945, the organisation's new constitution came into effective.

* September 10 – 11 – Norway's ruling Labour Party loses eight seats in the parliamentary elections, its worst showing since 1945.

Though he voted for the Labour Party in their 1945 landslide victory, because he wanted to punish the Conservative Party for the Munich agreement, after the war he joined the Conservatives and worked for the Conservative Research Department under Rab Butler, where his colleagues included Iain Macleod and Reginald Maudling.

In the 1945 British general election, Churchill's Conservative party was soundly defeated by the Labour party of Clement Attlee.

They were politically faithful to their father throughout his life ; but after 1945, each drifted away from the Liberal Party, Gwilym finishing his career as a Conservative Home Secretary while Megan became a Labour MP in 1957, perhaps symbolising the fate of much of the old Liberal Party.

In the 1945 general election, Wilson won his seat in the Labour landslide.

Labour won a landslide victory on 26 July 1945 bringing Clement Attlee to power.