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
NKVD was left with no capable security force, the Council of People's Commissars of the RSFSR established () a secret political police, the "Cheka", led by Felix Dzerzhinsky. It gained the right to undertake quick non-judicial trials and executions, if that was deemed necessary in order to "protect the Russian Socialist-Communist revolution". The "Cheka" was reorganized in 1922 as the State Political Directorate, or GPU, of the NKVD of the RSFSR. In 1922 the USSR formed, with the RSFSR as its largest member. The GPU became the OGPU (Joint State Political Directorate), under the Council of People's Commissars of the USSR.