Cities and towns; Christian converts; Byzantine Empire; Greek language; Coptic language; Copts; Persecution; Politics; Roman Empire; Arab Conquest of Egypt; Arabic language; Monasteries; Coptic Church; Muslim converts from Christianity;
Cities and towns; Greece; Geography; Roman Empire; Diocletian, Emperor of Rome, 245-313; Architecture; Archaeology; Arabs; Arab Conquest of Egypt; Administration; Military; Arianism; Council of Nicaea (1st: 325); Byzantine Empire; Athanasius,...