Former British Prime Minister Margaret Thatcher died April 8, 2013, at age 87.
Margaret Roberts -- later to become Margaret Thatcher and Britain's prime minister -- works as a research chemist. (Jan. 24, 1950)
Margaret Roberts, before she married Denis Thatcher.
Margaret Roberts, who later married Denis Thatcher and went on to come prime minister of Great Britain, accompanies four voters in a sing-along in 1950.
Margaret Thatcher, the newly-appointed joint parliamentary secretary at the Ministry of Pensions and national Insurance, talks with the Minister John Boyd Carpenter, as she begins her new job at the Ministry, in London. (Oct. 12, 1961)
Margaret Thatcher on a ski run in Battersea Park. (Dec. 7, 1962)
Margaret Thatcher in 1969.
Margaret Thatcher holds a chimpanzee.
Margaret Thatcher in 1974.
Margaret Thatcher gets a kiss from her husband Denis in London. (Feb. 4, 1975)
Ronald Reagan presents a silver dollar medallion to Margaret Thatcher when he visited her office at the House of Commons in London. (April 9, 1975)
Margaret Thatcher makes a victory sign outside her home in Chelsea, London in 1976.
Margaret Thatcher, takes a stroll through the grounds of Scotney Castle in Kent, England with her husband Denis, and their twins Mark and Carol in March 1979.
Britain's Queen Elizabeth II talks with British Prime Minister Margaret Thatcher at a reception in Lusaka, Zambia. (Aug. 1, 1979)
British Prime Minister Margaret Thatcher in 1980.
Margaret Thatcher during her election tour in London. (April 30, 1982)
President Ronald Reagan and Britain's Prime Minister Margaret Thatcher at the Palace of Versailles in France. (June 6, 1982)
President Ronald Reagan and British Prime Minister Margaret Thatcher speak to reporters at the White House in Washington. (June 23, 1982)
China's chairman of the Communist Party Deng Xiaoping meets with Britains' Prime Minister Margaret Thatcher in Beijing, China. (Sept. 24, 1982)
Britain's Prime Minister Margaret Thatcher answers a reporter's question during a news conference at the United Nations. (June 23, 1982)
British Prime Minister Margaret Thatcher with husband arriving in England's West Country in 1983.
British Prime Minister Margaret Thatcher listens to the opening debates during the Conservative Party's conference at Blackpool in October 1983.
Canadian Prime Minister Pierre Trudeau is greeted by Britain's Prime Minister Margaret Thatcher outside 10 Downing St. in London. (June 7, 1987)
Mikhail Gorbachev shakes hands with Margaret Thatcher. (Dec. 16, 1984)
Margaret Thatcher meets with her friend and political ally President Ronald Reagan during a visit to the White House in Washington. (Feb. 20, 1985)
Margaret Thatcher during a visit to British forces in Fallingbostel, about 70 miles south of Hamburg, Germany. (Sept. 17, 1986)
Margaret Thatcher enjoys a cup of tea. (June 6, 1987)
British Prime Minister Margaret Thatcher greets supporters from Conservative Party headquarters in London. (June 12, 1987)
Margaret Thatcher dances with Ronald Reagan after a state dinner given in her honor at the White House. (Nov. 16, 1988)
Margaret Thatcher at the Conservative Party conference in Blackpool. (Oct. 13, 1989)
Nelson Mandela greets Margaret Thatcher on the steps of 10 Downing St. (July 4, 1990)
Israeli Prime Minister Benjamin Netanyahu and former British Prime Minister Margaret Thatcher in Jerusalem. (Aug. 26, 1998)
Margaret Thatcher reaches out to touch the flag draped on the coffin of former president Ronald Reagan. (June 9, 2004)
Margaret Thatcher in 2005.
Margaret Thatcher in 2006.
Margaret Thatcher poses with some former Parachute Regiment members as they take part in a 25th anniversary march of the Falkland Island conflict in London. (June 17, 2007)
Former New York Mayor Rudy Giuliani and his wife Judith with former British Prime Minister Margaret Thatcher in London. (Sept. 19, 2007)
Former British Prime Minister Margaret Thatcher greets members of the media as she stands on her house doorstep, following her return home from hospital, in central London. (June 29, 2009)
Margaret Thatcher greets photographers as she stands with current British Prime Minister David Cameron on the doorstep of 10 Downing St. (June 8, 2010)