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
Margaret Thatcher had been cremated. On 28 September, a service for Thatcher was held in the All Saints Chapel of the Royal Hospital Chelsea's Margaret Thatcher Infirmary. In a private ceremony, Thatcher's ashes were interred in the grounds of the hospital, next to those of her husband. Thatcherism represented a systematic and decisive overhaul of the post-war consensus, whereby the major political parties largely agreed on the central themes of Keynesianism, the welfare state, nationalised industry, and close regulation of the economy, and high taxes. Thatcher generally supported the welfare state, while proposing to rid it of abuses. She promised in 1982