A state in Eastern and Northern Europe from the late 9th to the mid-13th century. Encompassing a variety of polities and peoples, including East Slavic, Norse, and Finnic, it was ruled by the Rurik dynasty, founded by the Varangian prince Rurik.
Kievan Rus, first East Slavic state. It reached its peak in the early to mid-11th century. Both the origin of the Kievan state and that of the name Rus, which came to be applied to it