The Crisis of the Oikoumene: The Three Chapters and the Failed Quest for Unity in the Sixth-Century Mediterranean

The sixth-century theological controversy over the 'Three Chapters', which centred on the nature of Christ, provoked one of the most serious and long-lived religious schisms of the early Middle Ages. The fault lines ran not only between the Byzantine imperial court and the papacy, but between Rome and the churches in the former western empire's successor states. In Italy, the schism endured into the seventh century, and the repercussions were felt long thereafter. Though rooted in the complex…