Occupation of Poland by Nazi Germany and the Soviet Union during the Second World War (1939–1945). It began in September 1939 and lasted until May 1945 (about 6 years). The setting was Second Polish Republic. Those involved included the Soviet Union and German Reich. Its causes included the German–Soviet Treaty of Friendship, Cooperation and Demarcation.
Before and after
- from 1 September 1939 to 6 October 19391939 Invasion of Poland
- from 1 September 1939 to 2 September 1945World War II
- from 1 September 1939 to 3 September 1939Battle of Mława
- from 1 September 1939 to 7 September 1939Battle of Westerplatte
- from September 1939 to May 1945Occupation of Poland (1939–1945)
- from 3 September 1939 to 10 April 1940Phoney War
- from 4 September 1939 to 8 May 1945Defence of the Reich
- from 7 September 1939 to 16 September 1939Saar Offensive
- from 8 September 1939 to 28 September 1939Siege of Warsaw
More in Wars, politics & history
- 1917Russian Revolution
- from 25 October 1917 to 26 October 1917October Revolution
- 28 June 1919Treaty of Versailles
- from 1933 to 1945The Holocaust
- 30 January 1933Hitler becomes Chancellor of Germany
- from 18 July 1936 to 1 April 1939Spanish Civil War
The era
This moment belongs to the Modern era (1914 CE to 1945 CE), world wars and a changing world. You can also browse everything in the 20th century.