Treaty of Pyzdry

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Treaty of Pyzdry

The Treaty of Pyzdry was signed on November 2, 1390, in Pyzdry, Poland, by King Władysław II Jagiełło of Poland and Wartislaw VII of Pomerania-Stolp (the Duchy of Słupsk). Wartislaw swore fealty to Jagiełło, agreed to help Poland in its war against the Teutonic Knights, and both sides promised easier trade for Polish and Pomeranian merchants. Wartislaw received the Polish castellany of Nakło and probably nearby lands as a fief.

Historians disagree about the oath’s exact meaning. Some say the treaty made Pomerania-Stolp a Polish fief; others say it was mainly an alliance with Nakło as a Polish fief. Some think the duchy kept its Imperial immediacy, so the treaty did not have a clear long-term effect. In the Polish–Teutonic wars, the Pomeranian dukes often shifted sides; Wartislaw’s brothers Barnim V and Bogislaw VIII later aligned with the Teutonic Order, and Nakło returned to Poland after Wartislaw’s death.

Wartislaw went on a pilgrimage in 1392–1393 and died in 1394 or 1395.