Mongol Conquest that lead to the creation of the Golden Horde in that region, ruled over by Bhatu.
Kievan Rus' ended in 1240.
Kievan Rus' was created in 880.
The Rus' were a group of vikings originating from Sweden that eventually settled in Northeastern Europe (Russia today). They established Kievan Rus, a medieval polity in what is now the Ukraine.
He was a King!
He was a King!
The Kievan Rus' became more isolated from European civilization.
The Kievan Rus' became more isolated from European civilization.
Eastern Orthodox
Oleg
Eastern
Well science about 1400 with kievan rus
Answer: Kievan Rus'