1939 Invasion of Poland

The invasion of Poland, also known as the September Campaign, Polish Campaign, and Polish Defensive War of 1939, was a joint attack on the Republic of Poland by Nazi Germany, the Slovak Republic, and the Soviet Union, which marked the beginning of World War II.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

• 1939 Invasion of Poland and Winter War began in the same year
• 1939 Invasion of Poland and Battle of the Atlantic began in the same year
• 1939 Invasion of Poland and Slovak–Hungarian War began in the same year
• 1939 Invasion of Poland and Battle of Westerplatte began in the same year
• 1939 Invasion of Poland and Defense of the Polish Post Office in Danzig began in the same year

Timeline

1. 1939 Invasion of Poland (this page)September 1, 1939 – October 6, 1939
2. Battle of the AtlanticSeptember 3, 1939 – May 8, 1945
3. Battle of WesterplatteSeptember 1, 1939 – September 7, 1939
4. Defense of the Polish Post Office in DanzigSeptember 1, 1939
5. Slovak–Hungarian WarMarch 23, 1939 – April 4, 1939
6. Winter WarNovember 30, 1939 – March 13, 1940

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