First Thatcher ministry took place. Members of the Cabinet are in bold face. First 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 first government Thatcher led at the invitation of Queen Elizabeth II from 1979 to 1983. Following the vote of no confidence against the Labour government and prime minister James Callaghan on
Mark Thatcher the elevation of his mother to the peerage as a baroness in 1992; he shares this courtesy with his twin sister, Carol. After the death of his father in 2003, he inherited the Thatcher baronetcy which had been awarded in 1990, the first baronetcy created since 1964. Following his conviction in relation to the Equatorial Guinea coup d'état in 2004, it was suggested that he should be stripped of the title. Mark Thatcher Sir Mark Thatcher, 2nd Baronet (born 15 August 1953) is a British businessman. He is the son of Margaret Thatcher, former Prime Minister of the United Kingdom,