Slavic tribes migrated across Russia today, in the west in the fifth century AD The Russian people has been formed, according to theory and widely accepted in Kievan Rus, from centuries IX - XI. In the twelfth century there were two powerful states: Knezatul Knezatul Vladimir-Suzdal and Novgorod. During this period, eastern knezatele fell, one by one, the Golden Horde ruled for a period of more than 250 years. The first military victory against the Golden Horde took place in 1380 (Battle of Kuli..... more details about Moscow