RIA Novosti: History of Russian-Ukrainian Relations
The Kyiv, Chernigov, Halych, Vladimir-Volhynia and other independent principalities emerged in Southwest Rus in the 12th century.

RIA Novosti: History of Russian-Ukrainian Relations

Sep 2, 2010 at 15:20
In the 9th-12th centuries, most of the Kyivan Rus lands were part of the early feudal Russian State. The Kyiv, Chernigov, Halych, Vladimir-Volhynia and other independent principalities emerged in Southwest Rus in the 12th century, and the Halych-Volhynian principality toward the end of the 12th century.In the 14th century, Kyivan Rus fell under the power of the Grand Duchy of Lithuania, Poland and other states. Read the story here.