As early as the 8th century, and probably still earlier, a stream of Slav colonization, advancing E.
The earliest inhabitants of Lauenburg were a Slav tribe, the Polabes, who were gradually replaced by colonists from Saxony.
Anklam, formerly Tanglim, was originally a Slav fortress; it obtained civic rights in 1244 and joined the Hanseatic league.
Dresden (Old Slav Drezga, forest, Drezgajan, forestdwellers), which is known to have existed in 1206, is of Slavonic origin, and was originally founded on the right bank of the Elbe, on the site of the present Neustadt, which is thus actually the old town.
Within the empire a very great diversity of nationalities is comprised, due to the amalgamation or absorption by the Slav race of a variety of Ural-Altaic stocks, of Turko-Tatars, Turko-Mongols and various Caucasian races.