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...
Copts; Coptic Church; Fatimid dynasty; Politics; Law and society; al-Hakim; Persecution; Islam; Saladin, Sultan of Egypt and Syria, 1137-1193; Jews; Judaism; Christianity; Conversion - Christianity; Christian converts; Muslim converts from...