The Battle of Nicopolis took place on 25 September 1396 and resulted in the rout of an allied army of Hungarian, Bulgarian, Wallachian, French, Burgundian, German and assorted troops (assisted by the Venetian navy) at the hands of an Ottoman force, raising of the siege of the Danubian fortress of Nicopolis and leading to the end of the Second Bulgarian Empire. It is often referred to as the Crusade of Nicopolis and was the last large-scale crusade of the Middle Ages.