Rare Coloured Pictures From Ottoman Empire

Taking advantage of internal conflicts, Orhan annexed Karası in 1345 and gained control of the area between the Gulf of Edremit and Kapıdağı (Cyzicus), reaching the Sea of Marmara. He thus put himself in a position to end the lucrative monopoly enjoyed by the city of Aydın, that of providing mercenary troops to competing Byzantine factions in Thrace and at the Byzantine capital, Constantinople (present-day Istanbul).