Margaret Thatcher gets a kiss from her husband Denis in London, Feb. 4, 1975, after she had come out on top with 130 votes in the first round of the election for the Conservative party leadership.The Associated Press
British Prime Minister Margaret Thatcher in 1980.Gerald Penny/The Associated Press
Margaret Thatcher and Pierre Trudeau meet in Australia, Oct. 4, 1981Peter Bregg/The Canadian Press
British Prime Minister Margaret Thatcher stands in a British tank during a visit to British forces in Fallingbostel, some 120 kilometres south of Hamburg, Germany, on Sept. 17, 1986.Jockel Fink/The Associated Press
British Prime Minister Margaret Thatcher waves to supporters from Conservative Party headquarters in London after claiming victory in Britain's general election June 12, 1987.Gerald Penny/The Associated Press
British prime minister Margaret Thatcher at the North Atlantic Council Meeting at the level of Heads of State and Government, Brussels, Belgium, 2 March 1988.
Economic Summit leaders (from left) Ronald Reagan, Brian Mulroney and Helmut Kohl follow Margaret Thatcher, into a courtyard at Hart House in Toronto, June 20, 1988.Fred Chartrand/The Canadian Press
U.S. President Ronald Reagan and British Prime Minister Margaret Thatcher dance during the final state dinner of Reagan's presidency at the White House in Washington, D.C., in this Nov. 16, 1988 file photo.Charles Tasnadi/The Associated Press
Margaret Thatcher at the North Atlantic Council Meeting at the level of Heads of State and Government, London, United Kingdom, 5 July 1990.
Former British Prime Minister Margaret Thatcher addresses a National Press Club luncheon in Washington Monday, June 26, 1995.Charles Tasnadi/The Associated Press
The Queen (second left) and Baroness Thatcher (right), together with the Duke of Edinburgh (left) and Dennis Thatcher, enter Claridge's in London for a dinner October 16, 1995 to celebrate the former Prime Minister's 70th birthday.Adam Butler/Reuters
Former British Prime Minister Margaret Thatcher and her husband Dennis exit Westminster Abbey after the funeral service for Diana, Princess of Wales this Saturday Sept. 6, 1997.Adam Butler/The Associated Press
Queen Elizabeth (L) is greeted by former Prime Minister Margaret Thatcher as she arrives at Thatcher's 80th birthday celebrations at the Mandarin hotel in London October 13, 2005.Kieran Doherty/Reuters
Former British Prime Minister Margaret Thatcher waves from her front doorstep as she returns home after leaving hospital, in London November 1, 2010.Andrew Winning/Reuters