Margaret Thatcher, 1925-2013

Then Prime Minister Margaret Thatcher took a moment for thought during a press conference in central London, June 10, 1987.

Then British Prime Minister Margaret Thatcher and French President Francois Mitterrand posed for the media after a meeting about nuclear arms control at the Chateau de Benouville in Normandy, western France, March 23, 1987.

Then British Prime Minister Margaret Thatcher pointed a finger as she answers questions at a news conference in London, June 8, 1987.

Then British Prime Minister Margaret Thatcher met with President Ronald Reagan during a visit to the White House, Feb. 20, 1985

Then President Ronald Reagan chatted with British Prime Minister Margaret Thatcher during State Arrival Ceremonies at the White House, Feb. 26, 1981.

Then British Prime Minister Margaret Thatcher left the Castle lane, Westminster, London polling station with her husband, Dennis, after casting their votes in the general election, June 9, 1983.

Margaret Thatcher made a statement to reporters as Denis Thatcher listens, as she left No. 10 Downing Street, Westminster for Buckingham Palace to resign as prime minister, Nov. 28, 1990.

Britain's Baroness Thatcher read the order of service surrounded by empty seats as she waited for Queen Elizabeth to deliver her speech at the State Opening of Parliament in the House of Lords, Nov. 13, 2002.

Then Pakistani Prime Minister Benazir Bhutto met with former British Prime Minister Margaret Thatcher in Islamabad, Pakistan, March 24, 1996.

Former British Prime Minister Margaret Thatcher and Falklands veterans took part in a march in London, during a service to commemorate the 25th anniversary of the Falkland Islands conflict, June 17, 2007.

Former British Prime Minister Margaret Thatcher gestured to members of the media as she stands on her house doorstep, following her return home from hospital, in central London, June 29, 2009.

Former British Prime Minster Margaret Thatcher waits to greet then Pope Benedict at Westminster Hall in London, Sept. 17, 2010.