Battle of Pereyaslavl (1149)

The Battle of Pereyaslavl - an episode of internecine war between Izyaslav Mstislavich and Yuri Dolgoruky and their allies, in which Yuri Dolgoruky defeated Izyaslav, after which he became Grand Prince of Kiev for the first tine.

Events
In early 1149, Izyaslav with the help of the Princes of Novgorod and Smolensk undertook a ruinous campaign in the Volga region which was under the control of Yuri, because Izyaslav had deprived  Yuri's son Rostislav Yurievich of his fief on charges of conspiracy.

Vladimir Mstislavich with the Chorni Klobuky installed his troups in Pereyaslavl. Yuri used a battle formation dismembered along the front, placing his sons on the right flank, and Svyatoslav Olgovichon the left. In the middle of the battle, the soldiers of Pereyaslavl refused to fight against Yuri and sat down on their shields.

Following the victory in the battle, Yuri Dolgoruky took over Pereyaslavl, and soon thereafter Kiev, as the people of Kiev did not want to oppose the of Vladimir Monomakh).

Literature

 * Ипатьевская летопись
 * Бережков Н. Г. Хронология русского летописания