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 returned to 10 Downing Street in late November 2009 for the unveiling of an official portrait by artist Richard Stone, an unusual honour for a living former Prime Minister. Stone was previously commissioned to paint portraits of the Queen and Queen Mother. On 4 July 2011, Thatcher was to attend a ceremony for the unveiling of a statue to Ronald Reagan, outside the US Embassy in London, but was unable to attend due to her frail health. She last attended a sitting of the House of Lords on 19 July 2010, and on 30 July 2011 it was announced that