In the aftermath of the German and Soviet invasion of Poland, which took place in September 1939, the territory of Poland was divided between Nazi Germany and the Soviet Union. The Soviets had ceased
Bodies of Polish prisoners-of-war by the mass graves of the Katyn massacre, awaiting forensic examination, 30 April 1943
Exhumation of the Katyń forest massacre victims, murdered in 1940 by order of Soviet authorities
The "Road of Bones" constructed by inmates of the Soviet Gulag prison camps, including those of Polish citizenship
Soviet troops led by cavalry enter Wilno which was unable to launch its own defence
Soviet invasion of Poland
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The Soviet invasion of Poland was a military conflict by the Soviet Union without a formal declaration of war. On 17 September 1939, the Soviet Union invaded Poland from the east, 16 days after Nazi G
Soviet parade in Lwów, September 1939, following the city's surrender
Hitler watching German soldiers marching into Poland in September 1939
Advancing Red Army troops, Soviet invasion of Poland, 1939
Instructions of Józef Beck, Polish minister of foreign affairs for Wacław Grzybowski, Polish ambassador to the Soviet Union concerning the Soviet invasion of Poland, 17 September 1939