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The systematic extermination of Jewish people across Europe as perpetuated by Nazi Germany and its allies during World War II. The genocide was conducted in various stages and by various means over the course of the war, though none more identifiable with the atrocity than the death camps such as Auschwitz-Birkenau, Belzec, Treblinka, and Sobibor. In all, some six million Jews would perish from 1941-1945.