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
Edward Heath Trade and Secretary of State for Industry, Trade and Regional Development, and oversaw the abolition of retail price maintenance. After the Conservative Party lost the general election of 1964, the defeated Home changed the party leadership rules to allow for a ballot by MPs, and then resigned. The following year, Heath—who was Shadow Chancellor at the time, and had recently won favourable publicity for leading the fight against Labour's Finance Bill—unexpectedly won the party's leadership contest, gaining 150 votes to Reginald Maudling's 133 and Enoch Powell's 15. Heath became the Conservatives' youngest leader and retained office after the party's defeat