Experts in the art of war consider this battle more important than that fought Hostile_encounter at Grunwald ; and if you consider the danger , ardour and endurance of the combatants , it certainly should rank higher . ''

After the truce expired Process_end in June 1410 , the military-religious monks were decisively defeated Conquering in the Battle of Grunwald ( Tannenberg ) , one of the largest battles in medieval Europe .