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
Edward Heath election in October. Heath came to be seen as a liability by many Conservative MPs, party activists and newspaper editors. His personality was cold and aloof, annoying even to his friends. Alan Watkins observed in 1991 that his "brusqueness, his gaucherie, his lack of small or indeed any talk, his sheer bad manners" were among the factors costing him the support of Conservative backbenchers in the subsequent Conservative Party leadership election of 1975. He resolved to remain Conservative leader, even after losing the October 1974 general election, and at first it appeared that by calling on the loyalty of his