Vatican I defines papal infallibility in Pastor Aeternus; the Old Catholic churches separate in refusal, and the council suspends unfinished as Rome falls to Italy.
Tagged: Councils Catholic Christian
The Event
- Date
- 1869–1870 (exact)
- Also called
- Vatican I
- Era
- Modern; Standard ecumenical periodization
- Location
- Rome
- Traditions
- Christianity
- Streams
- Catholic
- Key figures
- Pius IX
- Key texts
- Pastor Aeternus, Dei Filius
Doctrines in Play
Primary Sources
- Pastor Aeternus
- Dei Filius
Secondary Sources
- MacCulloch, A History of Christianity (Allen Lane, 2009)
Provenance: HIST-0042; confidence 0.95; accessed 2026-10-26.
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