Authors; Scholars; Council of Florence (1438-1445); Councils and synods; Coptic Church; Council of Chalcedon (451); Council of Constantinople (1st: 381); Council of Ephesus (431); Council of Nicaea (1st: 325); Ethiopia; Ethiopian Orthodox Church
Roman Empire; Eusebius, of Caesarea, Bishop of Caesarea, ca. 260- ca. 340; Persecution; Churches; Jerusalem; Alexandria (Egypt); Fayyūm (Egypt); Patriarchs and patriarchate; Christianity