Date | 1939–1945 |
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Location | Occupied Poland |
Cause | Invasion of Poland |
Participants | Wehrmacht, Gestapo, SS, Volksdeutscher Selbstschutz, Trawnikis, Sonderdienst, NKVD, SMERSH, Red Army, OUN-UPA, Lithuanian Security Police |
Casualties | |
Around 5 – 6 million |
Part of a series on |
The Holocaust |
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Around six million Polish citizens[1][2][3][4] are estimated to have perished during World War II. Most were civilians killed by the actions of Nazi Germany, the Soviet Union, the Lithuanian Security Police, as well as the Organization of Ukrainian Nationalists and its offshoots (the Ukrainian Insurgent Army, the Self-defense Kushch Units and the Ukrainian People's Revolutionary Army).
At the International Military Tribunal held in Nuremberg, Germany, in 1945–46, three categories of wartime criminality were juridically established: waging a war of aggression; war crimes; and crimes against humanity. For the first time in history, these three categories of crimes were defined after the end of the war in international law as violations of fundamental human values and norms, regardless of internal (local) law or the obligation to follow superior orders. In subsequent years, the crime of genocide was elevated to a distinct, fourth category.
These crimes were committed in occupied Poland on a tremendous scale, unparalleled elsewhere in Europe.[5][6]