Between 1941 and 1944, the German occupiers dedicated essentially the most critical warfare crimes within the Soviet Union. Moscow is set that it was a genocide. Anyone who doesn’t adhere to the time period faces imprisonment and fines.
https://www.spiegel.de/ausland/russland-wladimir-putin-stellt-leugnung-deutscher-weltkriegs-verbrechen-unter-strafe-a-6c61438a-bceb-45d6-9f76-3839da12ac32#ref=rss