Grand Duke Of Kiev Oleg | Encyclopedia.com
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WEBMay 11, 2018 · People. History. Russian, Soviet, and CIS History: Biographies. Grand Duke of Kiev Oleg. Oleg. views 3,192,066 updated May 11 2018. OLEG. (died c. 912), first grand prince of Kiev, asserted his rule over the East Slavic tribes in the middle Dnieper region and concluded treaties with Constantinople.
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