1975 Conservative Party (UK) leadership election a major British political party. 1975 Conservative Party (UK) leadership election The 1975 Conservative Party leadership election was held in February 1975, in which the party's sitting MPs voted Margaret Thatcher as party leader on the second ballot. Previous leader Edward Heath stood aside after the first ballot, in which he unexpectedly finished behind Thatcher. The Conservatives were the official Opposition to the Labour government, so Thatcher also became Leader of the Opposition. Edward Heath, leader of the Conservative Party and Prime Minister had called and unexpectedly lost the February 1974 general election. Although the Labour Party were able only
1990 Conservative Party (UK) leadership election opposition benches and reinforced the change in general perception of Thatcher from the "Iron Lady" to a divisive and confrontational figure. The next morning, 14 November, Heseltine announced that he would challenge her for the leadership of the party. The rules for Conservative leadership contests had been introduced for the first such election, in 1965, and modified in 1975, the occasion of Thatcher's own victory over the incumbent leader Edward Heath. There would be a series of ballots of Conservative MPs, conducted by the 1922 Committee, with that committee's chairman, Cranley Onslow, as Returning Officer. To win in the first