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
2015 Progressive Conservative Party of Ontario leadership election 2015 Progressive Conservative Party of Ontario leadership election The 2015 Progressive Conservative Party of Ontario leadership election was held on May 9, 2015, as a result of the resignation of Ontario Progressive Conservative leader Tim Hudak following the provincial election on June 12, 2014, his second loss in a row as party leader. Patrick Brown won the leadership with 61.8% of votes allocated, defeating Christine Elliott who had 38.2%. The party's 76,587 members were eligible to cast votes by preferential ballot. The vote will be weighted so that each of the province's 107 ridings that has more than 100 votes