Alexandria; Byzantine Empire; Diocletian, Emperor of Rome, 245-313; Papyri; Justinian I, Emperor of the East, 483?-565; Roman Empire; Romans; Constantine I, Emperor of Rome, d. 337; Luxor (Egypt)
Crusades; History; Council of Chalcedon (451); Christology; Dioscorus, Patriarch of Alexandria, d. 454; Islam; Jerusalem; Historians; History of the Patriarchs; Patriarchs and patriarchate; Ayyubid dynasty; Fatimid dynasty; Mamluks
Roman Empire; Eusebius, of Caesarea, Bishop of Caesarea, ca. 260- ca. 340; Persecution; Churches; Jerusalem; Alexandria (Egypt); Fayyūm (Egypt); Patriarchs and patriarchate; Christianity
Patriarchs and patriarchate; Cairo (Egypt); Monasteries; Monks; Bishops; Literature; Liturgies; Alexandria (Egypt); History of the Patriarchs; Tradition; Nubia; Ethiopia