In the mountains of Pontos in Anatolia another Byzantine / Roman state clung on for years after the fall of Constantinople in 1453. But, the Empire of Trebizond was conquered by the Ottomans on August 15, 1461, after over 250 years since it became independent from Constantinople. They had been a unique Roman refuge in Anatolia, surviving the threats of Seljuks and Mongols. They remained as the rest of Anatolia was conquered by the Turks. But they had got on the list of targets of Sultan Mehmed II, and they were destined to be under the rule of Constantinople again...