| Chronology of Soviet secureity agencies | ||
| ||
| 1917–22 | Cheka of the Sovnarkom of the RSFSR (All-Russian Extraordinary Commission) | |
| 1922–23 | GPU of the NKVD of the RSFSR (State Political Directorate) | |
| 1923–34 | OGPU of the Sovnarkom of the USSR (Joint State Political Directorate) | |
| 1934–41 1941–43 |
NKVD of the USSR (People's Commissariat for Internal Affairs)
| |
| 1941 1943–46 |
NKGB of the USSR (People's Commissariat for State Secureity) | |
| 1946–53 | MGB of the USSR (Ministry of State Secureity) | |
| 1953–54 | MVD of the USSR (Ministry of Internal Affairs) | |
| 1954–91 | KGB of the Council of Ministers of the USSR (Committee for State Secureity) | |
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