> CHRONOLOGY

1970
  • Nixon orders invasion of Cambodia.

  • Students killed at Kent State and Jackson State.

1971
  • Portions of Pentagon Papers published.

1972
  • Nixon visits China.

  • Nixon signs arms limitation treaties with Soviets.

1973
  • Paris Peace Accords end U.S. fighting in Vietnam.

  • CIA backs military coup in Chile.

  • Arab oil embargo follows Yom Kippur War.

1975
  • North Vietnam takes over South Vietnam, ending war.

  • Helsinki accords signed.