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The Riegner telegram detailed the Nazi plan to systematically murder European Jews. It was sent to the British and American governments in August 1942.
The Nazis established killing centers in German-occupied Europe during WWII. They built these killing centers for the mass murder of human beings.
The Nazi regime's extensive camp system included concentration camps, forced-labor camps, prisoner-of-war camps, transit camps, and killing centers.
In 1940, the Nazis established Gusen concentration camp. Learn more about camp conditions, forced labor, and liberation.
View an animated map showing key events in the history of World War II and the Holocaust.
The Mauthausen concentration camp was established following the Nazi incorporation of Austria in 1938. Learn about the harsh conditions in the camp.
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