 After the February Revolution of 1917, the Gendarmes and the Okhrana were disbanded as anti-revolutionary.Having won the October Revolution, the Bolsheviks disbanded the "tsarist" police forces and formed an all-proletarian "Workers' and Peasants' Militsiya" under the NKVD of the Russian SFSR.After the establishment of the USSR there was no Soviet (federal) NKVD until 1934.