
Public opinion on Katyń massacre during WWII in Poland 2020
The term "Katyn massacre" refers to the mass shootings of Polish citizens, mostly Polish Army officers, as well as officers of the State Police and Border Protection Corps, carried out by the NKVD (the interior ministry of the Soviet Union) in the spring of 1940 in the east: in Katyn and other places such as Kalinin (today's Tver), Kharkiv, Minsk, and Kyiv. 2020 marks the 80th anniversary of these events.