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
Thatcher baronets Thatcher baronets The Thatcher baronetcy, of Scotney in the County of Kent, is a baronetcy created for the husband of Margaret Thatcher, Denis Thatcher, on 7 December 1990 following the resignation of his wife on 28 November. The current holder is Mark Thatcher, who succeeded his father in 2003. It is the only baronetcy to have been granted since 1964 (as of ) and is one of only three extant hereditary titles awarded outside the British royal family since 1965, the other being the Earldom of Stockton and Viscountcy Macmillan of Ovenden, both conferred on former Conservative Prime Minister Harold