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.
Prime Minister of Brazil Minister is surpassed by the total duration of the four non-consecutive premierships of the Marquis of Olinda, making Olinda the longest serving President of the Council if non-consecutive time is considered. The position of prime minister was abolished with the deposition of the Monarchy in 1889. The events of the Brazilian Proclamation of the Republic on November 15, 1889 started as an unprecedented military coup to remove the Prime Minister, who had been appointed by the Emperor and who enjoyed the confidence of the Chamber of Deputies, the lower house of the General Assembly, the Empire's Parliament; Marshal Deodoro da