Treblinka II was a Nazi German extermination camp in occupied Poland during World War II. Around 850,000
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people - more than 99.5 percent of whom were Jews, but also other victims (among them 2,000 Romani people) - were killed there between July 1942 and October 1943 the camp was closed after a revolt during which a few Germans were killed and a small number of prisoners escaped. The nearby Treblinka I was a forced labour camp and administrative complex in support of the death camp.