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Revision as of 17:17, 17 February 2006 by Ksenon (talk | contribs) (rv pov bs again)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)The Treaty of Welawa (German: Vertrag von Wehlau) was a treaty signed in the eastern Prussian town of Welawa (Wehlau) between Poland and Brandenburg-Prussia during the Swedish Deluge on September 9, 1657.
Margrave Frederick William, the "Great Elector" of Brandenburg, cancelled his alliance with King Charles X Gustav of Sweden and, in return, King John II Casimir of Poland gave Frederick William full sovereignty over Ducal Prussia, which henceforth ceased to be a Polish fief. The treaty was amended by the Treaty of Bydgoszcz of November 6 1657. According to the terms of the treaty, in case the Hohenzollern dynasty died out, Ducal Prussia was to return to the Polish crown. After the Hohenzollerns fell from power in 1918, the territory became the Free State of Prussia in the new Weimar Republic. During the Second World War, all German territories east of the Oder and Neisse rivers were conquered by the Soviet Union, who kept the northern part and gave the southern two-thirds of the territory to Poland in the last months of World War II.
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