Margaret Thatcher becomes Britain’s first female Prime Minister

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Margaret Thatcher, leader of the Conservative Party, becomes Britain’s first female prime minister on May 4, 1979. The Oxford-educated chemist and lawyer took office the day after the Conservatives won a 44-seat majority in general parliamentary elections.

Margaret Hilda Roberts was born in Grantham, England, in 1925. She was the first woman president of the Oxford University Conservative Association and in 1950 ran for Parliament in Dartford. She was defeated but garnered an impressive number of votes in the generally liberal district. In 1959, after marrying businessman Denis Thatcher and giving birth to twins, she was elected to Parliament as a Conservative for Finchley, a north London district. During the 1960s, she rose rapidly in the ranks of the Conservative Party and in 1967 joined the shadow cabinet sitting in opposition to Harold Wilson’s ruling Labour cabinet. With the victory of the Conservative Party under Edward Heath in 1970, Thatcher became secretary of state for education and science.
In March 1979, Callaghan was defeated by a vote of no confidence, and on May 3 a general election gave Thatcher’s Conservatives a majority in Parliament. The next day, Prime Minister Thatcher immediately set about dismantling socialism in Britain. She privatized numerous industries, cutback government expenditures, and gradually reduced the rights of trade unions. In 1983, despite the worst unemployment figures for half a decade, Thatcher was reelected to a second term, thanks largely to the decisive British victory in the 1982 Falklands War with Argentina.