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
Progressive Conservative Party of Newfoundland and Labrador leadership elections Progressive Conservative Party of Newfoundland and Labrador leadership elections This page lists the results of leadership elections held by the Progressive Conservative Party of Newfoundland and Labrador. After the defeat of the party's first leader in the 1949 general election and until 1966 the party leadership was officially vacant and the House leader served as de facto party leader. Mews was defeated in the 1949 general election and resigned sometime afterward. John Gilbert Higgins was elected House leader and became the first post-Confederation Leader of the Opposition. Higgins retired at the 1951 general election, and Peter Cashin was elected House