Leo's letter becomes a central text for Chalcedon and the two-natures formula.
Constantine IV
c. 652 – 685 · b. Constantinople
Emperor
Quick facts
- Born
- c. 652, Constantinople
- Died
- 685, Constantinople
- Region
- east
- Era
- post nicene
- Significance
- Minor(1/4)
Highlights
- Main contribution
- Byzantine emperor (668-685).
- Primary source
- Acta of the Third Council of Constantinople (681)
Byzantine emperor (668-685). Convened the Third Council of Constantinople (680-681), the Sixth Ecumenical Council, which condemned Monothelitism and affirmed two wills in Christ.
Recommended reading near Constantine IV
A cover-visible starting point chosen from the curated reading path, either by this figure or by their era.
Chain to Jesus
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Common questions
- Who was Constantine IV?
- Constantine IV (652–685) — Byzantine emperor (668-685). Convened the Third Council of Constantinople (680-681), the Sixth Ecumenical Council, which condemned Monothelitism and affirmed two wills in Christ.
- Who did Constantine IV correspond with?
- Pope Agatho and Pope Leo II.
Sources for biography
- Acta of the Third Council of Constantinople (681) primary
- Theophanes, Chronographia AM 6160-6177 primary
documented connections(2)
- corresponded (incoming) Pope AgathoAgatho's dogmatic letter to Emperor Constantine IV was read at the Third Council of Constantinople and accepted as the standard of dyothelite faith.Acta of the Third Council of Constantinople (681), Session 4
- corresponded (incoming) Pope Leo IILeo II ratified the acts of the Third Council of Constantinople in correspondence with Constantine IV.Leo II, Epistula ad Constantinum imperatorem
External resources
📖WikipediaFull encyclopedic biography with footnotes and further reading.🔗WikidataStructured data hub linking to library catalogues, archives, and academic sources worldwide.🏛️WikisourcePublic-domain primary texts and translations (search).⛪Catholic Encyclopedia1913 reference — long entries, useful for less-known figures (search for Constantine IV).