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Germany invaded Poland on September 1, 1939. The Polish Army fought tenaciously, but was defeated within weeks.
A German motorcycle unit advances through the Bydgoszcz region during the invasion of Poland. September 18, 1939.
German forces and Polish civilians on the outskirts of Warsaw. In the background of the photograph, the city burns as a result of the German military assault. Warsaw, Poland, September 1939.
German troops parade through Warsaw after the German invasion of Poland. Warsaw, Poland, September 28-30, 1939.
Adolf Hitler (lower right) gives Nazi salute as he reviews victorious German troops. Warsaw, Poland, October 5, 1939.
German soldiers parade in Pilsudski Square. Warsaw, Poland, October 4, 1939.
Invading German troops enter the town of Lodz. Poland, September 8, 1939.
Invading German soldiers raise the Nazi flag in front of the city hall. Gdynia, Poland, September 1939.
The Sigismund Monument stands amid rubble in the Polish capital after Germany's Blitzkrieg assault. Warsaw, Poland, 1939.
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