Oleg
Oleg known as Oleg the Wise, Oleg of Novgorod, or Oleg of Kiev, was a Varangian prince of the Rus' who became the first prince of Kiev, thereby laying the foundations of the Kievan Rus' state.[1]
- ↑ "Oleg the Wise", Wikipedia, 2023-06-28, retrieved 2023-07-13