Margaret Thatcher was the first female British Prime Minister. She served as leader of the Conservative Party from 1975 to 1990 and as Prime Minister from 1979 to 1990. Thatcher was the longest serving Prime Minister of Britain since 1827.
Margaret Thatcher was born Margaret Hilda Roberts in Grantham, Lincolnshire, England on October 13th 1925. She studied chemistry at the University of Oxford, graduating in 1947. She worked as a research chemist whilst studying law. She began practicing as a barrister in 1954.
In 1959 Margaret Thatcher was elected as Conservative MP for the constituency of Finchley. She rose through the ranks of the Conservative Party and was elected leader on February 11th 1975. The Conservative Party won the 1979 British General Election. On May 4th 1979 Thatcher was elected Prime Minister. She served as Prime Minister until 1990.
Margaret Thatcher became the longest-serving British Prime Minister of the 20th century in the year 1988 On This Day.