Third Thatcher ministry to make way for a leader more likely to win the next general election. Her successor was the Chancellor of the Exchequer John Major, who was elected on 27 November 1990, and who at 47 became the youngest Conservative Prime Minister of the 20th century. <section begin="June 1987 to July 1989" /> <section begin="July 1989 to November 1990" /> Members of the Cabinet are in bold face. Third Thatcher ministry Margaret Thatcher was Prime Minister of the United Kingdom from 4 May 1979 to 28 November 1990, during which time she led a Conservative government. She was the first woman
Margaret Thatcher had been badly misinterpreted, arguing that race was never an important focus of Thatcherism. Throughout her premiership, both major parties took similar positions on immigration policy, having in 1981 passed the British Nationality Act with bipartisan support. There were no policies passed or proposed by her government aimed at restricting immigration, and the subject of race was never highlighted by Thatcher in any of her major speeches as Prime Minister. Many of Thatcher's policies had an influence on the Labour Party, which had returned to power in 1997 under Tony Blair. Blair rebranded the party "New Labour" in 1994 with