1989 Conservative Party (UK) leadership election and the Labour lead in the opinion polls mounted into double digits, Thatcher resigned as party leader and Prime Minister after a further contest in November 1990. 1989 Conservative Party (UK) leadership election The 1989 Conservative Party leadership election took place on 5 December 1989. The incumbent Margaret Thatcher was opposed by the little-known 69-year-old backbencher MP Sir Anthony Meyer. It was the Conservative Party's first leadership election for nearly 15 years, when Thatcher had taken the party leadership. During 1989 the Conservative government led by Thatcher had run into difficulties. The Chancellor of the Exchequer, Nigel Lawson, had resigned
2016 Conservative Party (UK) leadership election vote in certain head-to-head scenarios, as indicated below. 2016 Conservative Party (UK) leadership election The 2016 Conservative Party leadership election occurred as a result of David Cameron's resignation as leader following the European Union membership referendum, in which the United Kingdom voted to leave the EU. Cameron, who supported Britain's continued membership of the EU, made his announcement on 24 June, saying that he would step down by October. Theresa May won the contest on 11 July 2016, after the withdrawal of Andrea Leadsom left her as the sole candidate, succeeding Cameron as leader of the Conservative Party. Conservative MPs