Roman Empire · 45th pope in the Annuario Pontificio list
Leo I
Saint
- Pontificate
- 440–461(Dates in the first centuries are traditional.)
- Nationality
- Roman (Italy)
- Predecessor
- Sixtus III
- Successor
- Hilarius
Historical context
The Western Empire was falling apart.
Important events
- His Tome on the two natures of Christ was received at the Council of Chalcedon (451)
- Met Attila in 452, who then withdrew from Italy
- In 455 persuaded the Vandal king Genseric to limit the sack of Rome
Main teachings
- Christ is one person in two natures
Interesting facts
- A Doctor of the Church
List: Wikidata (CC0), ordinals per the Annuario Pontificio, retrieved 2026-10-01. Antipopes are not included. For the current pope, see vatican.va.