Roman Empire; Byzantine Empire; Christianity; Emperors--Byzantine Empire; Diocletian, Emperor of Rome, 245-313; Eusebius, of Caesarea, Bishop of Caesarea, ca. 260- ca. 340; Heresy; Persecution; Arius; Arians; Arianism; Athanasius, Saint, Patriarch...
Saints; Patriarchs and patriarchate; Arab Conquest of Egypt; Churches; Coptic Church; Bible; Copts; Archons; Muslims; Monasteries; Monks; Saladin, Sultan of Egypt and Syria, 1137-1193; Ayyubid dynasty; Crusades; Jerusalem; Roman Catholic Church;...
Egypt; Generals; Muhammad, Ali; Napoleon I, Emperor of the French, 1769-1821; Ottoman Empire; Crimean War, 1853-1856; Patriarchs and patriarchate; United States; Missionaries; Conversion; Conversion - Christianity; Coptic Church; Muslims