Title: "I byli polki Olʹgovy--"
Subjects: History, Sources
Places: Ri︠a︡zanʹ (Ri︠a︡zanskai︠a︡ oblastʹ, Russia), Ri︠a︡zanskai︠a︡ oblastʹ (Russia), Russia, Kievan Rus
Time periods: To 1533, Mongol Invasion, 1237-1241