WikiLeaks : 1975 CNN cable captures political rise of Thatcher . The alleged cable praises Thatcher , saying she had a quick and profound mind . Thatcher became British Prime Minister in 1975 ; she died Monday at Monday .
WikiLeaks : 1975 State Department cable captures political rise of Margaret Thatcher . The alleged cable praises Thatcher , saying she had a quick and profound mind . Thatcher became British Prime Minister in 1979 ; she died Monday at age 87 .