The Katyn massacre was a series of mass executions of nearly 22,000 Polish military officers and intelligentsia carried out by the Soviet Union, specifically the NKVD ("People's Commissariat for Internal Affairs", the Soviet secret police) in April and May 1940.

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A memorial for the Katyn Massacre of 1940 in Poland. The Katyn Massacre was a series of mass executions of Polish nationals carried out by the People's Commissariat for Internal Affairs (NKVD), the Soviet secret police, in April and May 1940.

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Size: 5616px × 3744px
Photo credit: © David Grossman / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1940, city, crosses, europe, executions, gora, katyn, killed, massacre, memorial, men, poland, police, polish, secret, soviet, union, zielona