Ukraine prospered for several centuries in the Middle Ages until its 1240 conquest by these forces from the East
... migrated in several directions and the remains of their state were absorbed by
... [DOC] [TLE] MONGOL IMPACT [PAR] Until the mid-19th century, the great majority of the population of Russia ... 
Mongol forces raided as late as the 1450s, and the princes of Muscovy did ...