The Byzantine Empire, 600-1200: Christianity was the official religion in the Byzantine Empire, therefore it brought many changes and transitions during their reign. After the Arab armies destroyed part of the Byzantine Empire, there was damage in the empire, because many Christians converted to Muslim faith, new enemies were formed, the relation with the pope worsened, and the Latin Church and the Orthodox Church split due to disagreements with one another. There were many changes that occurred
eighteenth and early nineteenth century a major transformation took placed. The Ottoman Empire was born during the middle Ages, reaching its greatest achievement in 1453 when they took the city of Constantinople under the command of Mehmet II, ending the Byzantine Empire. Ottoman expansion continued after the fall of Constantinople. It reached its climax with Suleiman I (1520-1566). The Turks controlled Asia Minor, the Arabian Peninsula, Egypt and North Africa and Southeast Europe, even to besiege Vienna