All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Monday 20 January 842 1
813 – 842Theophilos (813-842)Died 20 January 842, aged 29Theophilos was the last Byzantine emperor to actively support Iconoclasm, continuing military campaigns against the Abbasid Caliphate through much of his reign. He died in Constantinople, leaving the throne to his two-year-old son Michael III under the regency of Empress Theodora. Theodora's regency would soon restore the veneration of icons.