Margaret Thatcher Foundation in 2006, where she established the Margaret Thatcher Center for Freedom. Margaret Thatcher Margaret Hilda Thatcher, Baroness Thatcher, (; 13 October 19258 April 2013) was a British stateswoman who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the longest-serving British prime minister of the 20th century and the first woman to hold that office. A Soviet journalist dubbed her "The 'Iron Lady, a nickname that became associated with her uncompromising politics and leadership style. As Prime Minister, she implemented policies known as Thatcherism.
Margaret Thatcher Thatcher's policies. The 1981 England riots resulted in the British media discussing the need for a policy U-turn. At the 1980 Conservative Party conference, Thatcher addressed the issue directly, with a speech written by the playwright Ronald Millar that included the lines: "You turn if you want to. The lady's not for turning." Thatcher's job approval rating fell to 23% by December 1980, lower than recorded for any previous Prime Minister. As the recession of the early 1980s deepened, she increased taxes, despite concerns expressed in a March 1981 statement signed by 364 leading economists, which argued there was "no