First battle in the invasion of Poland, the beginning of the Second World War. It began on 1 September 1939 in what is now Poland and lasted until 7 September 1939 (about 6 days). The setting was Westerplatte. It was part of 1939 Invasion of Poland. Those involved included Nazi Germany, the Second Polish Republic and Free City of Danzig.
Before and after
- 31 August 1939Gleiwitz incident
- 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
More in Wars, politics & history
- from 7 November 1917 to 25 October 1922Russian Civil War
- 23 August 1939Molotov–Ribbentrop Pact
- from 30 November 1939 to 13 March 1940Winter War
- from 22 June 1941 to 7 May 1945Eastern Front
- from 22 June 1941 to 5 December 1941Operation Barbarossa
- 7 December 1941Attack on Pearl Harbor
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.