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
Death and funeral of Margaret Thatcher who disagreed with her would admire her strength of character, her convictions, her view of Britain's place in the world and her contribution to British national life. Scottish National Party leader and First Minister Alex Salmond acknowledged that "Margaret Thatcher was a truly formidable prime minister whose policies defined a political generation". Plaid Cymru leader Leanne Wood, while expressing sympathy to her family, criticised her policies' effects on Wales. Former Green Party leader Caroline Lucas voiced regret that, although Thatcher was the first female prime minister, "she did little for women either inside or outside the House of Commons". UKIP