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 as a possible future Prime Minister. The description helped Thatcher meet with prominent persons during a busy itinerary focused on economic issues, including Paul Samuelson, Walt Rostow, Pierre-Paul Schweitzer and Nelson Rockefeller. Following the visit, Heath appointed Thatcher to the Shadow Cabinet as Fuel and Power spokesman. Prior to the 1970 general election, she was promoted to Shadow Transport spokesman and later to Education. In 1968 Enoch Powell delivered his "Rivers of Blood" speech in which he strongly criticised Commonwealth immigration to the United Kingdom and the then-proposed Race Relations Bill. When Heath telephoned Thatcher to inform her that he