The 1931 Labour Party leadership election took place after the expulsion of incumbent Leader

Ramsay MacDonald James Ramsay MacDonald (; 12 October 18669 November 1937) was a British politician who served as Prime Minister of the United Kingdom, the first who belonged to the Labour Party, leading minority Labour governments for nine months in 1924 ...

from the Labour Party. As Labour leader, MacDonald had been prime minister in 1924 and from 1929 to 1931, until he became head of a

National Government A national government is the government of a nation. National government or National Government may also refer to: * Central government in a unitary state, or a country that does not give significant power to regional divisions * Federal governme ...

that was opposed by the bulk of the Labour Party. MacDonald was then expelled from the party. Arthur Henderson was the only candidate who stood, and was elected Leader unopposed by the Parliamentary Labour Party.Labour Party
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1931 Events January * January 2 – South Dakota native Ernest Lawrence invents the cyclotron, used to accelerate particles to study nuclear physics. * January 4 – German pilot Elly Beinhorn begins her flight to Africa. * January 22 – Sir I ...

Labour Party leadership Labour Party leadership election Labour Party (UK) leadership election Ramsay MacDonald Labour Party leadership election {{UK-election-stub