Third Thatcher ministry 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 to hold that office. During her premiership, Thatcher moved to liberalise the British economy through deregulation, privatisation, and the promotion of entrepreneurialism. This article details the third government Thatcher led at the invitation of Queen Elizabeth II from 1987 to 1990. The Conservatives were elected for a third successive term in June 1987, with a majority of 102 seats. It enabled Margaret Thatcher to become the longest-serving
Margaret Thatcher of the Conservative Party in 1975. As Prime Minister, Thatcher received two honorary distinctions: Two weeks after her resignation, Thatcher was appointed Member of the Order of Merit (OM) by the Queen. Her husband Denis was made a hereditary baronet at the same time. As his wife, Thatcher was entitled to use the honorific style "Lady", an automatically conferred title that she declined to use. She became Lady Thatcher in her own right upon her ennoblement in the House of Lords. In the Falklands, Margaret Thatcher Day has been marked each 10 January since 1992, commemorating her first visit to