at the Golden Gate in Kiev The primary domestic source is the
Primary Chronicle. Not long before Vladimir's death, Sviatopolk was freed from prison. In 1015, Sviatopolk's retinue concealed Vladimir's death from him to prevent him from claiming the Kievan throne. When Sviatopolk learned of Vladimir's demise, he seized power in Kiev almost immediately. The citizens of Kiev did not show much sympathy for Sviatopolk and, therefore, he decided to distribute presents in order to win them over. Then, he decided to rid himself of three of Vladimir's sons,
Boris, Gleb, and Sviatoslav, whose claims for the Kievan throne threatened his power. Boris presented the most danger to him because he had been in charge of Vladimir's
druzhina (personal guards) and army, and enjoyed the support of the citizens. He sent the
boyars of Vyshgorod to execute Boris. Boris and his manservant were stabbed to death when sleeping in a tent. The prince was discovered still breathing when his body was being transported in a bag to Kiev, but the
Varangians put him out of his misery with the thrust of a lance. Sviatopolk's cold-blooded reprisal earned him the nickname of the Accursed. The news of this triple murder reached another son of Vladimir,
Yaroslav, Prince of
Novgorod, who decided to go to war against Sviatopolk with the support from the citizens of Novgorod and the
Varangians. The battle took place in 1016 not far from
Lubech, near the
Dnieper river. Sviatopolk was defeated and fled to
Poland. In 1018, he returned to
Rus', defeated Yaroslav
with help from his father-in-law and seized Kiev.
Bolesław of Poland and his army
remained in Rus' for several months, but later returned to Poland, seizing some
Cherven towns on the way. Meanwhile, the
posadnik Konstantin Dobrynich and other citizens of Novgorod persuaded Yaroslav to go to war against Kiev once again. Sviatopolk was defeated and fled to the
steppes. Soon he returned with the
Pecheneg army and attacked Yaroslav on the
Alta River, but was once again defeated and fled to Poland, dying on his way there in July 1019. Sviatopolk may have been murdered by a descendant of
Valuk Conqueror (Wallux dux Winedorum) who in 1018 helped him and his father-in-law Bolesław I in expedition against Yaroslav. File:Sviatopolk silver srebrenik.jpg|Sviatopolk's silver
srebrenik File:Владимир царь Киев Праздничная минея 1619.JPG|A miniature of Vladimir the Great from a 17th-century
Menaion File:YaroslavWiseSeal.jpg|The seal of
Yaroslav the Wise ==Biography according to foreign sources==