Soviet prisoners in a concentration camp, Russia, World War II. From L'Illustrazione Italiana, No. 40. October 4, 1942 / DE AGOSTINI PICTURE LIBRARY / Getty Images

Captured soldier of the Red Army. Circa 1941 / Alamy

The First International Peace Conference in Hague. May – June 1899 / Imperial War Museum / Wikimedia Commons

Officer of a Soviet military engineer unit captured by the German 19th Panzer Division near Dzisna on the Daugava River, Belarus. Circa July 1941 / INTERFOTO / Alamy

Soviet Prisoners of War. Women of the Red Army / Alamy

A convoy of Soviet POWs near Kharkov. 1942 / Sovfoto / Universal Images Group / Getty Images

Soviet prisoners of war on the Eastern front. 1942 / Alamy

Soviet Prisoners of War in Freight Cars. Belarus, September 21, 1941 / German Federal Archives

Soviet prisoners marching to a concentration camp. Ukraine, May 1942 / Heinrich Hoffmann / Mondadori / Getty Images

Drawing of a captured Soviet soldier made by the German war correspondent Stucke. 10.8.1941 / INTERFOTO / Alamy

Female doctors among a group of Soviet prisoners of war captured by Germans in Velikiye Luki. August of 1941 / Scherl / Süddeutsche Zeitung Photo / Alamy

Soviet prisoners of war at Stalag 326 camp, which housed 10,000 prisoners during World War II. Circa 1941 / CORBIS / Corbis / Getty Images

Soviet prisoner. Circa 1941 / Süddeutsche Zeitung Photo / Alamy

Female Soviet prisoners of war on the Eastern Front. 1942 / Scherl / Süddeutsche Zeitung Photo / Alamy

Soviet POWs during Second World War. Circa 1941 / Süddeutsche Zeitung Photo / Alamy

Soviet Union, Soviet prisoners of war. Ukraine, circa summer of 1941 / Alamy

Column of Soviet prisoners of war. Circa 1941 / Alamy

Soviet prisoner of war. Circa 1941/ Alamy

Captured soldiers of the Red Army. Circa 1941 / Alamy

Soviet Prisoners of War / Hulton-Deutsch Collection / CORBIS / Corbis via Getty Images