Pomerania during the Late Middle Ages

Pomerania during the Late Middle Ages covers the History of Pomerania in the 14th and 15th centuries.

The Duchy of Pomerania gained the Principality of Rugia after two wars with Mecklenburg, the Lands of Schlawe and Stolp and the Lauenburg and Bütow Land.Pomerelia was integrated into the Monastic state of the Teutonic Knights after the Teutonic takeover of Danzig in 1308, and became a part of province of Royal Prussia within the Kingdom of Poland in 1466.

The Duchy of Pomerania was internally fragmented into Pomerania-Wolgast, -Stettin, -Barth, and -Stolp. The dukes were in continuous warfare with the Margraviate of Brandenburg due to Uckermark and Neumark border disputes and disputes over formal overlordship of Pomerania. In 1478, the duchy was reunited under the rule of Bogislaw X, when most of the other dukes had died of the plague.

The towns of Pomerania that had joined the Hanseatic League acted independently from the duchy, and sometimes opposed the dukes' interest. The most powerful towns were Stralsund, Greifswald, and Stettin, but also Demmin, Anklam and Kolberg. Before the Treaty of Stralsund (1370), and during the reign of Eric of Pomerania, the Hanseatic towns were in a state of war with Denmark for hegemony in the Baltic Sea.

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