official and poet (d. 858) Moses Bar-Kepha, Syriac bishop (approximate date) Muhammad at-Taqi, Muslim ninth Ismā'īlī imam (or 814) Theophilus, emperor of the Byzantine Empire (d. 842) Wandelbert, Benedictine monk (approximate date) Deaths ’Abd Allah ibn Wahb, Muslim jurist (b. 743) Eanberht, bishop of Hexham (approximate date) Muhammad ibn Harun al-Amin, Muslim caliph (b. 787) References