Oleg of Novgorod: Setting the Stage for the Rise of Medieval Kievan Rus Oleg of Novgorod: Setting the Stage for the Rise of Medieval Kievan Rus July 17, 2024 According to East Slavic chronicles, Oleg was supreme ruler of the Rus’ from 879 to 912. Introduction... Read More Read more about Oleg of Novgorod: Setting the Stage for the Rise of Medieval Kievan Rus