CentralNotice Oleg of Novgorod From Wikipedia, the free encyclopedia Jump to: navigation , search Oleg the Seer Grand Prince of Rus' Oleg of Novgorod by Viktor Vasnetsov Reign 879–912 Predecessor Rurik Successor Igor Died 912 Burial Kiev or Staraya Ladoga Religion Pagan Oleg of Novgorod ( Slavic : Олег, Old Norse : Helgi ) was a Varangian prince (or konung ) who ruled all or part of the Rus' people during the early 10th century. He is credited with moving the capital of Rus' from Novgorod the Great to Kiev and, in doing so, he laid the foundation of the powerful state of Kievan Rus' . He also launched at least one attack on Constantinople , capital of the Byzantine Empire . According to East Slavic chronicles, Oleg was supreme ruler of the Rus' from 882 to 912. This traditional dating has been challenged by some historians, who point...