Red Terror

period of political repression and mass killings after the beginning of the Russian Civil War in 1918 carried out by Bolsheviks

1918 murder of Nicholas II of Russia and his family

Dekulakization (; ) was a campaign of repression in the Soviet Union directed against so-called kulaks, a loosely defined category of supposedly wealthy or exploitative peasants. The campaign involved mass arrests, executions, expropriation of property, and deportations of entire households to remote and inhospitable regions.

Massacre of Japanese prisoners-of-war in the Far Eastern Republic during the Russian Civil War

De-Cossackization (; ) was the Bolshevik policy of systematic repression against the Cossacks in territories of the former Russian Empire between 1919 and 1933, especially the Don and Kuban Cossacks in Russia, aimed at the elimination of the Cossacks as a distinct collectivity by exterminating the Cossack élite, coercing all other Cossacks into compliance, and eliminating Cossack distinctness. Several scholars have categorised this as a form of genocide, whilst other historians have highly disputed this classification due to the contentious figures involved, which range from "a few thousand to

Russian Civil War

1918 revolt of the Russian Civil War

1921 fabricated Soviet monarchist conspiracy

1919 massacre in Tartu, Estonia