Byzantine–Bulgarian Wars From Wikipedia, the free encyclopedia Byzantine-Bulgarian Wars Clockwise from right: The battle of Anchialus; Khan Omurtag; The Emperors of Bulgaria and Byzantium negotiate for peace; Emperor Nikephoros II Phokas. Date 680 - 1355 Location Balkan peninsula Result Ottoman Rule of the Balkans Territorial changes Both empires had numerous territorial changes     Commanders Asparukh Krum Boris I Simeon I Peter IV Theodore Svetoslav Constantine IV Constantine V Theophilos Michael III John I Tzimiskes Basil II The Byzantine-Bulgarian Wars were a series ...