Scottish Labour Party (1976) MP for South Ayrshire, John Robertson, then MP for Paisley and Alex Neil, the UK Labour Party's senior Scottish researcher. The split came just before the resignation of Harold Wilson as prime minister and party leader and the election of James Callaghan as his successor. By 1979 the Scottish Labour Party had lost its seats in the House of Commons, and in 1981 it was formally disbanded. Almost immediately the SLP became the focus for entryism from the International Marxist Group (IMG), and at the party's first congress in October 1976 the IMG was expelled, along with a number of
Leader of the Labour Party (UK) the Deputy Leader of the Labour Party, and was elected on the same day. Corbyn's leadership was challenged in mid-2016, but he was re-elected in the subsequent leadership election. The post of Leader of the Labour Party was officially created in 1922. Before this, between when Labour MPs were first elected in 1906 and the general election in 1922, when substantial gains were made, the post was known as Chairman of the Parliamentary Labour Party. In 1970, the positions of Leader of the Labour Party and Chairman of the Parliamentary Labour Party were permanently separated. In 1921, J. R. Clynes