1990 (12 images)

Andrews Air Force Base, MD: The motorcade of Soviet President Mikhail Gorbachev pulls away from the tarmac after welcoming ceremonies on his arrival for the summit 5/30/1990. The Ilyushin jetliner that brought the Soviet leader here from Canada is in the background. (UPI Photo/Joe Mahoney)

Washington: General view of the South lawn of the White House as President Bush, Soviet President Mikhail Gorbachev and their entourage approach Marine One before the helicopter trip to Camp David, MD, 6/2/1990. (UPI Photo/Patsy Lynch)

Washington: Soviet leader Mikhail Gorbachev (R) gestures as he talks with Vice President Dan Quayle during their 6/1/1990 meeting. (UPI/Joe Mahoney)

Nelson and Winnie Mandela greet supporters at the Oakland Coliseum June 30, 1990. Oakland is Mandela's last stop in the U.S. Photo by Dan Groshong/UPI