uss ia . ▁It ▁also ▁offers ▁a ▁small ▁g limp se ▁into ▁the ▁Pr uss ian ▁myth ology ▁and ▁trad itions . ▁ ▁Background ▁In ▁ 1 2 3 0 ▁the ▁Te ut onic ▁Kn ights , ▁a ▁Roman ▁Catholic ▁religious ▁order , ▁settled ▁in ▁the ▁Che ł m no ▁Land ▁and ▁began ▁their ▁cr us ade ▁against ▁the ▁pag an ▁Pr us si ans . ▁By ▁ 1 2 4 1 ▁five ▁of ▁the ▁seven ▁major ▁Pr uss ian ▁cl ans ▁had ▁surrender ed ▁to ▁the ▁Kn ights . ▁Then ▁the ▁First ▁U pr ising ▁broke ▁out . ▁Pr us si ans ▁for ged ▁an ▁al liance ▁with ▁Ś wię to pe ł k ▁II ▁of ▁P omer ania , ▁a ▁Polish ▁du ke ▁who ▁quar re led ▁with ▁the ▁kn ights ▁over ▁the ▁succession ▁in ▁P omer ania . ▁At ▁first ▁the ▁reb els ▁were ▁successful , ▁and ▁the ▁Kn ights ▁were ▁reduced ▁to ▁just ▁five ▁of ▁their ▁strong est ▁cast les . ▁However , ▁Ś wię to pe ł k ▁lost ▁several ▁batt les ▁and ▁was ▁forced ▁to ▁make ▁peace . ▁Sub st ant ial ▁rein for c ements , ▁encourag ed ▁by ▁the ▁po pe , ▁arrived ▁from ▁Germany ▁to ▁help ▁the ▁Kn ights ▁and ▁eventually ▁the ▁u pr ising ▁was ▁sub du ed . ▁▁ ▁By ▁ 1 2 4 6 , ▁Pope ▁In noc ent ▁IV ▁had ▁appointed ▁his ▁chap lain , ▁Jacob ▁of ▁Li ège , ▁the ▁future ▁Pope ▁Urban ▁IV , ▁to ▁medi ate ▁in