There are archaeological traces of human settlement since the late Paleolithic.
Early Slavonic settlements on the Lech Hill and the Maiden Hill are dated to
8th century. At the beginning of the 10th century this was the site of several
places sacred to the Slavic religion. The ducal stronghold was founded just
before AD 940 on the Lech Hill, and surrounded with some fortified suburbs and
open settlements.
Legend of Lech, Czech and Rus
According to the Polish version of legends: three brothers Lech, Czech and
Rus were