They helped defend the Vistula river valley against the Hussites during the Hussite war, and the Lizard League was created to oppose this group's ambitions in Culmerland.  
They helped defend the Vistula river valley against the Hussites during the Hussite war, and the Lizard League was created to oppose this group's ambitions in Culmerland.  It gained many powers under Frederick II's Golden Bull of Rimmi, and also absorbed the Order of Dobrin.  It gained Estonia and Semigalia after it assimilated the Livnonian order, but its invasion of Russia failed after its defeat at Lake Peipus by Alexander Nevsky.  FTP, name this organization that was forced to sign the Peace of Torun after its defeat at Tannenberg, a 12th century German catholic religious order.
They helped defend the Vistula river valley against the Hussites during the Hussite war, and the Lizard League was created to oppose this group's ambitions in Culmerland.  
{Teutonic knights} or {Teutonic Order} or {Order of the German House of St. Mary in Jerusalem}