This category is for battles involving the Russian Soviet Federative Socialist Republic (RSFSR), better known as Soviet Russia, from its foundation on 7 November 1917 until its co-founding of the Soviet Union (USSR) on 30 December 1922 (this encompasses almost the entire Russian Civil War). For subsequent battles, see Category:Battles involving the Soviet Union (1922–1991). For previous battles involving Russia, see Category:Battles involving the Russian Empire (1721–1917).