Over 5 million Afghans became refugees
Afghanistan
Soviet invasion began.
The 1979 Soviet Invasion of Afghanistan.
Imposing sanctions on the Soviet Union.
The 1979 Soviet Invasion. The 1219 invasion by Genhis Khan. The 879 invasion by the Saffarids.
Aliens
The Soviet Union's invasion of Afghanistan.
This is likely referring to AFGHANISTAN, where Soviet soldiers and Afghan Mujahedin fought from 1979 until 1989.
Afghanistan : 27 December 1979 - 15 February 1989 .
The United States did not attend the 1980 Summer Olympics in Moscow. They boycotted because of the USSR's invasion of Afghanistan in 1979.
Afghanistan invasion .
Soviet invasion of Manchuria happened in 1945.