1990 Conservative Party (UK) leadership election only to lose it again at the 2017 general 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
1938 Conservative Party of Ontario leadership election some Conservatives as he had quit the party and run as an Independent Conservative in the 1937 provincial election in protest of the pro-labour stance of leader Earl Rowe during the Ontario government's conflict with the Congress of Industrial Organizations in Oshawa. First ballot: See also: Progressive Conservative Party of Ontario leadership conventions 1938 Conservative Party of Ontario leadership election A Conservative Party of Ontario leadership election (formally the convention of the Liberal-Conservative Association of Ontario) was on December 9, 1938 at the Royal York Hotel in Toronto to replace retiring Conservative leader Earl Rowe, who had resigned after his