The Byzantine & Ottoman Empires: Lecture 8 of 12. The Ottoman Rise to Power.

The Byzantine & Ottoman Empires: Lecture 8 of 12. The Ottoman Rise to Power. From their new imperial capital, Istanbul (old Constantinople), the Ottoman Turks embarked upon adventures of conquest that would expand their empire across three continents. They would come to control the three holiest sites of Islam, and the Ottoman ruler came to assume the titles of "Sultan" and "Caliph."