Strategic bombing during World War II 150 Japanese soldiers. The bomb destroyed 60% of the city. The industrial damage in Nagasaki was high, partly owing to the inadvertent targeting of the industrial zone, leaving 68–80% of the non-dock industrial production destroyed. Six days after the detonation over Nagasaki, Japan announced its surrender to the Allied Powers on 15 August 1945, signing the Instrument of Surrender on 2 September 1945, officially ending the Pacific War and World War II. The two atomic bombings generated strong sentiments in Japan against all nuclear weapons. Japan adopted the Three Non-Nuclear Principles, which forbade the nation from developing nuclear armaments. Across
War crimes in occupied Poland during World War II at Chełmno according to postwar verdict by West Germany, although up to 340,000 victims were estimated by the Polish Main Commission for Investigation of German Crimes in Poland (GKBZNwP), a predecessor of the Institute of National Remembrance. Following the Wannsee Conference of 1942, as part of highly secretive Operation Reinhard in occupied Poland, the German government built three regular killing centres with stationary gas chambers. It was the most deadly phase of the Final Solution, based on implementing semi-industrial means of killing and incinerating people. The new facilities included Treblinka extermination camp (set up in July 1942), Bełżec (March 1942),