File:Karl 1 mit papst gelasius gregor1 sacramentar v karl d kahlen.jpgThe Middle Ages of European history are a period in history which lasted for roughly a millennium, commonly dated from the fall of the Roman Empire in the 5th century to the beginning of the Early Modern Period in the 16th century, marked by the division of Western Christi... there were two separate Slavic tribes bearing the name of Polans:
The Polans were a tribe of Early East Slavs between the 6th and the 9th century, which inhabited both sides of the Dnieper river from Liubech to Rodnia and also down the lower streams of the rivers Ros' River, Sula River, Stuhna, Teteriv River, Irpin' River, Desna and Pripyat River.... , living in the area of Dnieper river
The Polans were a West Slavs tribe inhabiting the Warta river basin. Previously more eastern around the Dnjpr River, by 963 AD they are as far west as the Vurta River .... , living in the area of Warta. The tribe unified most of the lands of present-day Poland under the Piast dynasty
