A daily account of the main events of World War II.
- Weapons, Technology and Equipment
- Eyewitness Accounts
- Timelines - World War II Day by Day
- Timelines - The Rise of Hitler
- Photo Galleries
- Video Library
Test your knowledge
Did the Soviet Union invade Poland in 1939?
Do you know?
Yes. In accordance with a secret clause in the 1939 Nazi–Soviet Pact, the Red Army invaded Poland on September 17. Little resistance was encountered on Poland’s eastern border as the Polish Army was already fighting in the west.