Margaret Thatcher was the first female Prime Minister of the United Kingdom, serving from 1979 to 1990. She was a leader of the Conservative Party and is widely credited with transforming the UK economy, as well as the country's social and political landscape. Thatcher was known for her uncompromising
Margaret Hilda Thatcher, Baroness Thatcher, was an English 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 the office. As prime minister, she implemented policies that came to be known as Thatcherism. A Soviet journalist dubbed her the "Iron Lady", a nickname that became associated with her uncompromising politics and leadership style.