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In page Second Peace of Thorn (1466):

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The treaty concluded the Thirteen Years' War which had begun in February 1454 with the revolt of the Prussian Confederation, led by the cities of Danzig (Gdańsk), Elbing (Elbląg), Kulm (Chełmno) and Toruń, and the Prussian gentry against the rule of the Teutonic Knights in the Monastic State, in order to join the Kingdom of Poland.[citation needed]