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
Diana Gould – Margaret Thatcher exchange Thatcher replied: "But it was not sailing away from the Falklands. It was in an area which was a danger to our ships and to our people on them." Gould said that the ship had been "on a bearing of 280 and it was already west of the Falklands". Thatcher continued to insist that the ship had represented a danger to British troops, and that the Argentine government had been warned that any ships representing a danger within a certain area were vulnerable. Gould pressed the prime minister several times to clarify whether the ship had been sailing away from