Ottoman Empire. Introduction Ottoman Empire (ŏtˈəmən) , vast state founded in the late 13th cent. by Turkish tribes in Anatolia and ruled by the descendants of. The Ottoman Empire was founded by Osman I. As sultan Mehmed II conquered Constantinople (today named Istanbul) in 1453, the state grew into a mighty empire. The. The Ottoman Empire. In the late 1200s A.D., a group of Turks, who called themselves the ‘Ottoman Turks’ after Osman, one of their first rulers, began to build an. Ottoman Empire. History Origins. The Ottoman state began as one of many small Turkish states that emerged in Asia Minor during the breakdown of the empire of the. In which John Green discusses the strange and mutually beneficial relationship between a republic, the citystate of Venice, and an Empire, the Ottomans. Ottoman Empire, empire created by Turkish tribes in Anatolia (Asia Minor) that grew to be one of the most powerful states in the world during the 15th and 16th centuries. On November 14, 1914, in Constantinople, capital of the Ottoman Empire, the religious leader Sheikh-ul-Islam declares an Islamic holy war on behalf of the Ottoman. THE OTTOMAN EMPIRE. 1600-1923 Ottoman history from 1566 -1792 has been described as ”The Decline of Faith and State.” To Ottomans, decline. The Ottoman Empire was one of the largest and most influential empires in world history. Its reach extended to three continents and it survived for more than six. The Ottoman Empire which is also known as the Turkish Empire or Turkey, was an empire founded in 1299 by Oghuz Turks under Osman I in northwestern Anatolia. With.