1975 Conservative Party (UK) leadership election 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 to form a minority government,
2017 Conservative Party of Canada leadership election Centre for the Study of Civic Renewal. Announced on August 23, 2016, that she intended to be a candidate but failed to register and announced in January that she was ending her campaign. Some of the polls below were conducted before nominations for the leadership closed and therefore include potential candidates for the leadership race. Rona Ambrose, as interim leader, is ineligible to run for the permanent leadership unless there is a change to the party's constitution. 2017 Conservative Party of Canada leadership election The 2017 Conservative Party of Canada leadership election was held on May 27, 2017. Party members