SUMMARY: SCHISM: East-West Split Timeline

Events

Easter Disagreement

193

Papal Supremacy Asserted Based on Peter

366

Filioque

446 AD

Acacian Schism

484 - 519

Purgatory

593 AD

Pope Title Adoped for Patriarch of Rome

607

Photian Schism

836 - 867

Mutual Excommunication - "Great Schism"

1054

Crusaders Sack Constantinople - "Absolute Schism"

1204

Council of Lyons

1274

Baptism changed from immersion to Sprinkling

1311

Union of Florence Rejection - "Confirmed Schism"

1439

Immaculate Conception

1854

Papal Infallibility

1869