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
Diana Gould – Margaret Thatcher exchange she telephoned Tam Dalyell, a Labour MP who had been pressing for information about the sinking, and asked him to brief her. Thatcher and Sue Lawley, the anchor, were in the BBC's Lime Grove Studios in Shepherd's Bush, west London, where the prime minister took questions from 18:25 until 19:00. Gould, in the BBC's Bristol studio, was the fourth member of the public to be invited to speak. "Mrs. Thatcher," she asked, "why, when the Belgrano, the Argentinian battleship, was outside the exclusion zone and actually sailing away from the Falklands, why did you give the orders to sink it?"