Pre Invasion Timeline

US

1977 - Dec 25 1979
1978
May 1978 - February 1979
Mar 1979 - June 1979

USSR

Approx. 1964 - Dec 25 1979
1973
Apr 1978
December 25 1979

Afghanistan

1965
1967
Jun 1973 - April 27 1978
April 28,1978 - October 1979
May 1978
Feb 1979
Mar 1979
May 1979
Oct 1979 - December 25 1979