06. Imperial Church And Christian Dogma

The Council of Nicaea in 325 endorsed the Trinitarian theology of Athanasius but did not settle all debate. Later councils at Ephesus (431) and Chalcedon (451) condemned Nestorians and Monophyistes, respectively. Emperors would continue striving to reconcile the latter, who commanded loyalty in the crucial provinces of Egypt, Syria, and eastern Anatolia.