| Civil war in Pomerelia | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| |||||||||
| Belligerents | |||||||||
|
Duchy of Świecie (1269–1270) Duchy of Pomerelia (1270–1272) Duchy of Greater Poland (1271–1272) |
Duchy of Gdańsk (1269–1270) Duchy of Lubiszewo (1269) Duchy of Inowrocław (1270–1271) State of the Teutonic Order (1270–1271) Margraviate of Brandenburg (1271–1272) | ||||||||
| Commanders and leaders | |||||||||
|
Mestwin II Bolesław the Pious (1271–1272) |
Wartislaw II of Gdańsk (1269–1271) Sambor II (1269–1271) Ziemomysł of Kuyavia (1270–1271) John II (1271–1272) Otto IV (1271–1272) Conrad I of Brandenburg (1271–1272) | ||||||||
The civil war in Pomerelia[a] was a military conflict in Pomerelia fought from 1269 to 1272. The conflict began between members of the Samboride dynasty, with Mestwin II, ruler of the Duchy of Świecie fighting against Wartislaw II of Gdańsk, ruler of the Duchy of Gdańsk, and Sambor II, ruler of the Duchy of Lubiszewo. In 1270, Mestwin had conquered their states, unifying the Duchy of Pomerelia under his rule. Wartislaw II and Sambor II continued to fight from exile, aided by the Duchy of Inowrocław and the State of the Teutonic Order, while Mestwin had allied with Bolesław the Pious, ruler of the Duchy of Greater Poland. In 1271, the war was joined by the Margraviate of Brandenburg who attempted to conquer the Duchy of Pomerelia. The war ended in January 1272, with Mestwin II's victory, establishment of the Duchy of Pomerelia, and partition of the Duchy of Inowrocław between Pomerelia and Greater Poland.
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