
1939
- March 15, 1939 - Britain, France, and Poland signed a pact guaranteeing each country a promise of help if attacked
- April 7, 1939 - Mussolini invaded Albania
- August 23, 1939 - Hitler and Stalin sign a ten year non-aggression pact
- September 1, 1939 - Poland is attacked by Germany
- September 3, 1939 - British declare war on Germany
- September 16, 1939 - Aircraft carrier "courageous" is sunk by the Germans
- September 17, 1939 - Russia invades Poland from the east side
- September 27, 1939 - People in Warsaw, Poland surrender
- September 29, 1939 - Stalin Forced Estonia into signing a treaty allowing them to intall military operations throughout the country.
- October 5, 1939 - Latvia was taken over by Russia
- October 10, 1939 - Lithuania was taken over by Russia
- October 14, 1939 - Royal Oak is sunk by the Germans
- November 28, 1939 - Russia attacked Finland
- December 17, 1939 - The Graf Spee is sunk by the British
- December 20, 1939 - Kapitan Langsdorff kills himself wrapped in a German flag