Gradislav Borilović was a Serbian magnate in the service of Stefan Uroš III Dečanski and Stefan Dušan, having the titles of vojvoda, kaznac, and tepčija. Gradislav led the Serbian army that fought the
The Battle of Demotika took place in October 1352 near Didymoteicho during the Byzantine civil war of 1352–1357. The conflict arose from renewed tensions between John V Palaiologos and John VI Kantako
Fortifications of Demotika
Ottoman Sultan Orhan whose troops fought alongside John VI Kantakouzenos at the Battle of Demotika