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 Macmillan in 1984. The baronetcy was created by the Queen on the recommendation of Prime Minister John Major for Denis Thatcher, following the resignation of his wife Margaret Thatcher in November 1990. The Speaker of the House of Commons was pressed to allow a debate relating to the revival of hereditary titles, but referred MPs to "" and in particular to the guidance that "It has been ruled that the Prime Minister cannot be interrogated as to the advice that he may have given to the sovereign with regard to the grant of honours". Major told the Commons Public Administration