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.
Anti-communist resistance in Poland (1944–1946) of the Republic of Poland after re-locating to Lublin. After moving to Warsaw in January 1945, and with full political control by Stalin and Soviet sponsorship, the communists abandoned the parliamentary system of prewar Poland and ignored the wishes of the Polish people, basing their new government's power solely on the Red Army's occupation of the country. Meanwhile, acting together under the command of Soviet General Ivan Serov, the forces of the NKVD, SMERSH and the Polish communist secret service (UB), which was modeled on the Soviet secret police, began countrywide operations against the members of the Armia Krajowa and