On August 1, 1942, Christian Wirth was promoted to the position of inspector of extermination camps
August 1, 1942 - Operation Reinhardt: SS Sturmbannführer Christian Wirth (former commandant of the camp in Bełżec.) was appointed the Inspector of extermination camps of Operation Reinhardt. From that moment on, Wirth supervised the functioning of the German extermination camps in Bełżec, Treblinka and Sobibór.
During Operation Reinhard, more than 1,500,000 Jews from Poland, Czechoslovakia, France, Germany, Austria, the Netherlands, Greece, Hungary, Italy, the Soviet Union, other occupied countries, as well as and thousands of Roma and Sinti were killed in these camps.