Premiership of Margaret Thatcher Premiership of Margaret Thatcher Margaret Thatcher served as Prime Minister of the United Kingdom from May 1979 to November 1990. She became Prime Minister after serving as Leader of the Conservative Party since 1975. In domestic affairs, Thatcher is best known for her sweeping policies concerning the affairs of the economy, including the privatisation of most nationalised industries. In foreign policy, she fought a war against Argentina and played a key role with President Ronald Reagan and Soviet leader Mikhail Gorbachev in ending the Cold War. By the late 1980s, she was alienating many senior members of her Cabinet by
Denis Thatcher Denis Thatcher Sir Denis Thatcher, 1st Baronet, (10 May 1915 – 26 June 2003) was a British businessman and the husband of Margaret Thatcher, who was the first female Prime Minister of the United Kingdom. The first man married to a British prime minister, he is the last person outside the British royal family to have been awarded a hereditary title, which he was granted in 1990. Thatcher was born in Lewisham, London, as the first-born child of a New Zealand-born British businessman, Thomas Herbert "Jack" Thatcher. At age eight he entered a preparatory school as a boarder in Bognor