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