The First Council of Constantinople (381): the emperor Theodosius I and the bishops seated about an enthroned Gospel book, with the heretic Macedonius apart. Miniature in the Homilies of Gregory of Nazianzus made for Basil I, 879-883; Paris, BnF grec 510, f. 355r.Unknown Constantinopolitan illuminator, 879–883 · Public domain · Wikimedia Commons