EntityQ4028523· pop 10· linked from 138 articles12th ArmySign in to saveWorld War I field ArmyConnectionsImperial Russian ArmyEntityWorld War IConceptInternational Standard Book NumberEntityRussian EmpireCountrycorpsEntityWWI Eastern FrontEntityBattle of TannenbergEntityCzechoslovak LegionsEntityfrontEntityRadko DimitrievEntityArmenian volunteer unitsEntityPavel PlehveEntityRussian Caucasus ArmyEntitySpecial Corps of GendarmesEntity1st ArmyEntityCaucasian Native Cavalry DivisionEntityMinistry of War of the Russian EmpireEntity2nd ArmyEntityRomanian FrontEntityRussian Expeditionary Force in FranceEntityCategories1915 establishments in the Russian EmpireField armies of Russia in World War IMilitary units and formations disestablished in 1917Military units and formations established in 1915