- 1917: Treaty of Brest Litovsk
- 1921: Comintern
- 1921: Trade Pacts with the West
- 1936: Popular Front
- 1939: Soviet Territorial Annexations
- 1943: The Strange Alliance
- 1947: Cold War
- 1947: Cominform and the Soviet Bloc
- 1956: Hungarian Crisis
- 1968: Third World Friendships
- 1968: Crisis in Czechoslovakia
- 1973: Détente
- 1980: Solidarity in Poland
- 1991: Warsaw Pact Dissolves