"<a href=""http://www.cnn.com/2013/04/08/world/europe/uk-margaret-thatcher-dead/"">Margaret Thatcher</a>, the first woman to become British prime minister, has died at 87 after a stroke, a spokeswoman said Monday, April 8. <a href=""http://www.cnn.com/2013/04/08/world/europe/margaret-thatcher-icon-outcast/"">Known as the ""Iron Lady,""</a> Thatcher, as Conservative Party leader, was prime minister from 1979 to 1990. Here she visits British Prime Minister David Cameron at 10 Downing Street in London in June 2010."