 In 1330 the Teutonic Knights resumed hostilities.Crusaders successfully plundered cities in Kujawy and Greater Poland – Radziejów, Bydgoszcz, and Nakło.Only by a daring crossing of the Vistula River by Władysław and intrusion to Chełmno with the help of Lithuanians were the allies successful in besieging the castle of Kowalewo Pomorskie in September.