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.
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