Treaty of Pyzdry
…signed on 2 November 1390 between Władysław II Jagiełło, king of Poland and Wartislaw VII of Pomerania-Stolp (Duchy of Słupsk). The treaty, signed in Pyzdry, contained an oath of vassalage of Wartislaw to Jagiełło, the obligation to support the latter in the Polish-Teutonic War, and mutual trade alleviations…