TIMELINE OF EVENTS

1972Nixon visits China
SALT I signed
1973U.S. supports Israel in Yom Kippur War
1973–1974OPEC oil embargo
1975Helsinki accords
1978Camp David accords
1979Iran hostage crisis
SALT II signed; Congress does not ratify
Soviet Union invades Afghanistan
1982Boland Amendment passed
750,000 attend nuclear freeze rally in New York City
1983Suicide bomb attack in Lebanon kills 241 U.S. soldiers
U.S. invasion of Grenada
1987Senate hearings on Iran-Contra affair
Intermediate Nuclear Forces Treaty signed
1989Tiananmen Square protests
Fall of the Berlin Wall
1990–1991Soviet Union dismantled
1991U.S. pushes Iraq out of Kuwait
1993Second Strategic Arms Reduction Treaty signed