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About Yaroslav the Wise
- Yaroslav I, Grand Prince of Rus', known as Yaroslav the Wise or Iaroslav the Wise (Old East Slavic: ???????? ?????????????? ??????; Ukrainian: ??????? ??????, Russian: ??????? ??????, [j?r?'slaf 'mudr?j]; Old Norse: Jarizleifr Valdamarsson;; Latin: Iaroslaus Sapiens; c.
- 978 – 20 February 1054) was thrice grand prince of Veliky Novgorod and Kiev, uniting the two principalities for a time under his rule.
- Yaroslav's Christian name was George (Yuri) after Saint George (Old East Slavic: ?????i, Gjurigì). A son of Vladimir the Great, the first Christian Prince of Kiev, Yaroslav acted as vice-regent of Novgorod at the time of his father's death in 1015.
- Subsequently, his eldest surviving brother, Sviatopolk I of Kiev, killed three of his other brothers and seized power in Kiev.
- Yaroslav, with the active support of the Novgorodians and the help of Varangian mercenaries, defeated Svyatopolk and became the Grand Prince of Kiev in 1019.
- Under Yaroslav the codification of legal customs and princely enactments had begun, and this work served as the basis for a law code called the Russkaya Pravda ("Rus Truth [Law]").
- During his lengthy reign, Kievan Rus' reached the zenith of its cultural flowering and military power.
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