October Revolution event. 7 November, the anniversary of the October Revolution, was the official national day of the Soviet Union from 1918 onward and still is a public holiday in Belarus and the breakaway territory of Transnistria. The October revolution of 1917 also marks the inception of the first communist government in Russia, and thus the first large-scale socialist state in world history. After this Russia became the Russian SFSR and later part of the USSR, which dissolved in late 1991. October Revolution The October Revolution (), officially known in Soviet literature as the Great October Socialist Revolution (, '), and commonly
Ministry of Internal Affairs (Russia) Russian SFSR. After the establishment of the USSR there was no Soviet (federal) NKVD until 1934. In March 1946, all of the People's Commissariats (NK) were redesignated as Ministries (M). The NKVD was renamed the MVD of the USSR, along with its former subordinate, the NKGB which became the MGB of the USSR. The NKVDs of Union Republics also became Ministries of Internal Affairs subordinate to MVD of the USSR. Secret police became a part of MVD after Lavrenty Beria merged the MGB into the MVD in March 1953. Within a year Beria's downfall caused the MVD to be split