Chronology of Soviet secret police agencies to operate as well. 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
Ranks and insignia of the Russian armed forces until 1917 colours on the lower part of sleeve stripes was determinate: The table below shows examples of rank insignia of the Russian Navy, to be worn on the lower part of uniform cuffs, as to the order № 125 of the Russian Navy Ministry from April 16, 1917. Ranks and insignia of the Russian armed forces until 1917 The Imperial Russian Army () and the Imperial Russian Navy () used ranks and rank insignia derived from the German model. However, the entire rank system was also closely connected to the Russian military traditions. In the aftermath of the Russian Revolution, the