Chronology of Soviet secret police agencies Chronology of Soviet secret police agencies <br> There was a succession of Soviet secret police agencies over time. The first secret police after the October Revolution, created by Vladimir Lenin's decree on December 20, 1917, was called "Cheka" (ЧК). Officers were referred to as "chekists", a name that is still informally applied to people under the Federal Security Service of Russia, the KGB's successor in Russia after the dissolution of the Soviet Union. For most agencies listed here secret policing operations were only part of their function; for instance, the KGB was both the secret police and the intelligence agency.
NKVD wealthier peasantry, as well as the mass deportations of entire nationalities to uninhabited regions of the country. They oversaw the protection of Soviet borders and espionage (which included political assassinations), and enforced Soviet policy in communist movements and puppet governments in other countries, most notably the repression and massacres in Poland. In March 1946 all People's Commissariats were renamed to Ministries, and the NKVD became the Ministry of Internal Affairs (MVD). After the Russian February Revolution of 1917, the Provisional Government dissolved the Tsarist police and set up the "People's Militsiya". The subsequent Russian October Revolution of 1917 saw a