Schism · Today in 484
Acacian Schism begins
The Acacian Schism began when an imperial compromise tried to quiet the Christological fallout after Chalcedon. The Henotikon avoided some contested language in hopes of reconciling Chalcedonians and non-Chalcedonians, but Rome saw it as evasion. Pope Felix III excommunicated Acacius of Constantinople, and communion between Rome and Constantinople broke until 519. The pattern would return: emperors sought unity by formula, while bishops argued over whether the formula protected the faith.
Unity by ambiguity did not work.
Highlights
- The Henotikon tried to calm the East.
- Rome saw evasion.
- Acacius was excommunicated.
- Communion broke until 519.
How it happened
What happened
Rome broke communion with Acacius of Constantinople over the Henotikon.
The argument
Could an imperial formula avoid Chalcedon's disputed language without betraying Chalcedon?
What changed
Rome and Constantinople entered their first formal schism.
Why it matters
It exposed the recurring conflict between imperial unity projects and doctrinal precision.
Book of the day
Tome (Letter to Flavian)
Pope Leo IA reading pick tied to today's figure, quote, era, or event. Leo's letter becomes a central text for Chalcedon and the two-natures formula.
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