Prophecy of the Prophet Muhammad uttered when the Battle of the Trench actually became reality on Tuesday, May 29, 1453. Constantinople was previously controlled by the Eastern Roman Empire (Byzantium) considered as the safest and the most secure because it has the strongest fortress in the world. But apparently, the world’s strongest city conquered by troops under the command of a man named Sultan Muhammad Khan. Since then, Muhammad Khan was given the title of Al Fatih (the Liberator) and is known in the West as Mehmed the Conqueror. Muhammad Al Fatih (1431 – 1481 AD), the son of Sultan Murad II, sultan who ruled the Ottoman Empire since the year 1451 AD. As a child, Muhammad Al Fatih was spoiled and lazy learning. But Muhammad Al Fatih began seriously studied after his father brought some teachers such as Shaykh Ahmad ibn Ismail al-Kurani, Sheikh Aag Syamsudin, and others. From them, Muhammad Al Fatih studied religion, language, skills, physical geography, astronomy, and history.