| 22 June 1941 |
Soviet Union
|
World War II
|
Nazi Germany launches the invasion of the Soviet Union
|
| 22 June 1941 |
Soviet Union
|
Stalin
|
Nazi Germany invades the Soviet Union
|
| 22 June 1941 |
Soviet Union
|
Soviet Union history
|
Molotov announces the German attack by radio
|
| 22 June 1941 |
Soviet Union
|
Soviet Union history
|
Nazi Germany invades the Soviet Union
|
| 3 August 1940 |
Lithuania,
Soviet Union
|
Stalin
|
Lithuania is incorporated into the Soviet Union
|
| 14 June 1940 |
Lithuania,
Soviet Union
|
Stalin
|
The Soviet Union issues an ultimatum to Lithuania
|
| 12 March 1940 |
Finland,
Soviet Union
|
Stalin
|
Finland and the Soviet Union sign the Moscow Peace Treaty
|
| 30 November 1939 |
Finland,
Soviet Union
|
Stalin
|
The Soviet Union invades Finland, beginning the Winter War
|
| 10 October 1939 |
Lithuania,
Soviet Union
|
Soviet Union history
|
Soviet-Lithuanian mutual assistance treaty signed
|
| 5 October 1939 |
Latvia,
Soviet Union
|
Soviet Union history
|
Soviet-Latvian mutual assistance pact signed
|
| 28 September 1939 |
Soviet Union
|
Soviet Union history
|
German-Soviet Boundary and Friendship Treaty signed
|
| 17 September 1939 |
Soviet Union
|
Stalin
|
The Red Army enters eastern Poland
|
| 23 August 1939 |
Soviet Union
|
Stalin
|
Germany and the Soviet Union sign the Molotov–Ribbentrop Pact
|
| 23 August 1939 |
Soviet Union
|
Soviet Union history
|
German-Soviet non-aggression pact signed
|
| 10 March 1939 |
Soviet Union
|
Stalin
|
The Eighteenth Party Congress meets as the purges recede
|