Title: The unknown army
Subjects: Army, History, Military History, Soviet Union, Soviet Union. Armii︠a︡, Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡, Armed Forces
Places: Soviet Union
Time periods: 1917-, Revolution, 1917-1921