It was one of the five Wendish towns whose alliance extorted from King Eric of Norway a favourable commercial treaty in 1284-1285; and in the 14th century it was second only to Lubeck in the Hanseatic League.
The same is true of the plateaus of Livonia, " Wendish Switzerland," and the government of Kovno, which do not exceed moo ft.
Kammin is of Wendish origin, and obtained municipal privileges in 1274.
In 1218 he set sail for Esthonia with one of the largest fleets ever seen in northern waters, including a Wendish contingent led by Prince Vitsla y.
Ploen is mentioned as early as the 11th century as a Wendish settlement, and a fortified place.