1990 Conservative Party (UK) leadership election 1990 Conservative Party (UK) leadership election The 1990 Conservative Party leadership election in the United Kingdom took place on 20 November 1990 following the decision of Michael Heseltine, former Defence and Environment Secretary, to challenge Margaret Thatcher, the incumbent Prime Minister, for leadership of the Conservative Party. Thatcher failed to win outright under the terms of the election in the first ballot, and was persuaded to withdraw from the second round of voting. She announced her resignation on the morning of 22 November 1990, ending more than 15 years as Conservative leader and 11 years as Prime Minister. Discontent with
1942 Progressive Conservative leadership convention 1942 Progressive Conservative leadership convention The 1942 Progressive Conservative Party leadership election was held to choose a leader to replace Arthur Meighen for the newly named Progressive Conservative Party of Canada. Meighen had led the Conservative Party from 1920 to 1926 serving two short terms as Prime Minister of Canada. He was appointed to the Senate of Canada in 1932 by R. B. Bennett where he served as Leader of the Government in the Senate. The Conservatives were defeated in 1935 and passed through a succession of leaders without being able to improve their prospects. In 1941, the national conference