Title: Тайна Катынского расстрела
Subjects: Katyn Massacre, Katynʹ, Russia, 1940, History, Sources, Polish people, Crimes against, Prisoners of war, World War, 1939-1945, Atrocities, Excavations (Archaeology)
Places: Russia (Federation), Katynʹ, Katyn, Poland, Ukraine, Volodymyr-Volynsʹkyĭ
Time periods: 20th century