Byzantine civil war of 1373–1379 Part of the Byzantine civil wars Date 1373–1379 Location Constantinople Result Victory of John V Palaiologos and Murad I Territorial changes Byzantines cede Gallipoli to the Ottomans; Tenedos is depopulated and made neutral territory Belligerents John V Palaiologos Ottoman Empire Republic of Venice Andronikos IV Palaiologos Savcı Bey Republic of Genoa Commanders and leaders John V Palaiologos Manuel II Palaiologos Murad I Andronikos IV Palaiologos Savcı Bey (POW)