Revolutionary Military Council of the Republic or Revvoyensoviet ('Революционный Военный Совет, Реввоенсовет) was the supreme military authority of the Soviet Russia. It was instituted by the decree of the All-Russian Central Executive Committee ("VTsIK") on September 2, 1918 (known as "Decree about Declaring the Soviet Republic the Military Camp"). Soviet Russia is sometimes used as a somewhat sloppy synonym to the Soviet Union — although the term Soviet Russia sometimes refers to Bolshevist Russia from the October Revolution in 1917 to 1922 (Although Russian communists officially formed RSFSR in 1918). ... The term Central Executive Committee refers to governing bodies with executive power of various parties and governments. ... September 2 is the 245th day of the year (246th in leap years). ... 1918 was a common year starting on Tuesday (see link for calendar). ...

Until that moment there were two main military authorities, Supreme Military Council (Высший военный совет) and Operative Department of the People's Commissariat for Military Affairs (Оперативный отдел Народного комиссариата по военным делам).

The decree put all fronts and military organizations under the single command of the Revvoyensoviet headed by the Chairman, with a single commander-in-chief (главком) for strategic and operative military command statewise subordinated only to the Chairman of Revvoyensoviet. The Chairman was People's Commissar for Military and Navy, appointed by VTsIK. Commander-in-Chief (in NATO-lingo often C-in-C or CINC pronounced sink) is the commander of all the military forces within a particular region or of all the military forces of a state. ... From 1919 to 1946, functions of ministers in the government of Russia and, later, the Soviet Union were performed by Peoples Commissars (Russian title: Narodny Komissar, or Narkom). ...

The first Chairman was Leon Trotsky. 1915 passport photo of Trotsky Leon Davidovich Trotsky ( Russian: Лев Давидович Троцкий; also transliterated Leo, Lev, Trotskii, Trotski, Trotskij and Trotzky ) (October 26 ( O.S.) = November 7 ( N.S.), 1879 - August 21, 1940), born Lev Davidovich Bronstein (Лев Давидович Бронштейн), was a Bolshevik revolutionary and Marxist intellectual. ...

The first commander-in-chief was Red Latvian rifleman Ioakim Vatsetis. In July 1919 he was replaced by Sergey Kamenev (1919-1924).

Following the creation of the Revvoyensoviet, the Workers' and Peasants' Defense Soviet was created on November 30, 1918, headed by Vladimir Lenin and consisted of Chairman of Revvoyensoviet (Trotsky), a representative of VTsIK (Stalin) and some narkoms. Its goal was mobilizing the resources of the country towards defense. November 30 is the 334th day (335th on leap years) of the year in the Gregorian calendar. ... 1918 was a common year starting on Tuesday (see link for calendar). ... Vladimir Ilyich Lenin (Russian: Влади́мир Ильи́ч Ле́нин  listen?), original surname Ulyanov (Улья́нов) (April 22 (April 10 (O.S.)), 1870 – January 21, 1924), was a Russian revolutionary, the leader of the Bolshevik party, the first Premier of the Soviet Union, and the founder of the ideology of Leninism. ... This article or section should be merged with Sovnarkom From 1919 to 1946, functions of ministers in the government of Russia and, later, the Soviet Union were performed by Peoples Commissars (Russian title: Narodny Komissar, or Narkom). ...