abraham anabaptist anglican church of canada arian controversy arianism arius astrology athanasius of alexandria augustine of hippo belisarius byzantine empire caesaropapism caliphate catechumen charlemagne christ christendom christian anarchism christianity church of england church of iceland church of norway civil religion constantinianism constantinople constantius ii council of chalcedon council of seleucia donatist early christianity edict of milan eucharist eusebius of caesarea eusebius of nicomedia eutyches evangelicalism filioque first council of nicaea fritigern god goths great apostasy great schism gregory of nyssa hebrews hilary of poitiers huneric iran islam julian the apostate labarum levite marcellus of ancyra massacre of thessaloniki mennonite neoplatonism nicene creed orthodox paganism pakistan patriotism pope priscillian raphael roman empire roman legion sacralism sadducees saudi arabia stanley hauerwas state religion theocracy theodosius i theurgy tibet torah trier turkey vandals vladimir lossky