Desc: Kusatma Altinda Ask: Directed by Ersin Pertan. With Erdinç Akbas, Arto Arsenyan, Mehmet Güleryüz, Tomris Incer. Already by 1453 the Ottomans were advancing towards the European continent. After vanquishing the Feudal Turkish Beys in Eastern Anatolia and the Serbs in Western Thrace, they laid siege to Constantinople. Totally helpless, Constantine XI, Emperor of the Eastern Roman Empire turned to the Pope for help.