She was a member of the Conservative Party and the figurehead of a political ideology known as Thatcherism .
Margaret Thatcher ( 1925 - 2013 ) was a British politician and the first female Prime Minister of the United Kingdom , a position she held from 1979 to 1990 .
Margaret Thatcher was a politician of the Conservative Party and the figurehead of a political ideology known as Thatcherism .
Margaret Thatcher ( 1925 - 2013 ) was a British politician and the first female Prime Minister of the United Kingdom , a position she held from 1979 to 1990 .