Mass operations of the People's Commissariat of Internal Affairs targeted specific categories of people during the Great Purge. Each was normally launched by an order of the head of the People's Commi
A 31 January 1938 resolution by Central Committee of the Communist Party of the Soviet Union to extend the National operations of the NKVD until 15 April for the destruction of Polish, Latvian, German, Estonian, Finnish, Greek, Iranian, Harbinian, Chinese and Romanian "spy-saboteur contingent" signed by Joseph Stalin, Vyacheslav Molotov, Lazar Kaganovich, Kliment Voroshilov, Anastas Mikoyan and Vlas Chubar