Margaret Thatcher signed menuA 1954 "Call Day" menu signed by Margaret Thatcher the day she became a lawyer Serving three consecutive terms in office, 1979 1990, Margaret Thatcher (1925 ) was the UK's first female prime minister. She received the nickname "Iron Lady" for her forceful political rhetoric. Thatcher's policies reduced inflation, lowered taxes and reduced social expenditure. Her ideological support of free market economies helped foster a friendship with the United