Poles walk among the ruins of besieged Warsaw. [LCID: 47270]
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Invasion of Poland, Fall 1939

German troops invaded Poland on September 1, 1939, triggering World War II. In response to German aggression, Great Britain and France declared war on Nazi Germany.

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ID Cards

Learn more about personal experiences during the Holocaust

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Timeline of Events

Explore a timeline of events that occurred before, during, and after the Holocaust.

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Discussion Questions

How and why was the Holocaust possible?