Principality of Vitebsk
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Following the death of Vseslav of Polotsk in 1101, Polotsk was divided into six smaller principalities each to be inherited by one of his six surviving sons. Vseslav's second born son, Sviatoslav Vseslavich inherited the lands surrounding Vitebsk.
Establishment
January 1102: Following the death of Vseslav of Polotsk in 1101, Polotsk was divided into six smaller principalities each to be inherited by one of his six surviving sons. Vseslav's second born son, Sviatoslav Vseslavich inherited the lands surrounding Vitebsk.
Chronology
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Expansion during the rule of Gediminas in the Grand Duchy of Lithuania.
January 1321: The last prince of Vitebsk was Jaroslav Vasilkovich, whose daughter Mary was married to a Lithuanian prince. Jaroslav died in 1320 without heirs and Vitebsk was incorporated into the Grand Duchy of Lithuania.
January 1166: In 1165-1167 due to the feudal strife, the principality of Vitebsk was shortly acquired by the princes of Smolensk.
January 1168: The principality of Vitebsk becomes independent from the princes of Smolensk.
January 1187: In 1186, the principality of Vitebsk again fell under the influence of Smolensk.
January 1196: The princes of Polotsk and Chernigov in 1195 marched against the prince of Smolensk. As a result of this campaign, Vitebsk again fell under the rule of Polotsk.
Disestablishment
January 1321: The last prince of Vitebsk was Jaroslav Vasilkovich, whose daughter Mary was married to a Lithuanian prince. Jaroslav died in 1320 without heirs and Vitebsk was incorporated into the Grand Duchy of Lithuania.