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
Progressive Conservative Party of Ontario leadership elections that were spoiled because no second or third choice was indicated. Called due to the resignation of party leader Patrick Brown on January 25, 2018 following allegations of sexual misconduct. Progressive Conservative Party of Ontario leadership elections This page lists the results of leadership elections within the Progressive Conservative Party of Ontario (known as the "Conservative Party of Ontario" before 1942). Before 1920, leaders of the Conservative Party were usually chosen by caucus. In 1914, William Hearst was selected at a meeting of the province's executive council (or cabinet) as James Whitney, the previous leader, had died while holding the