Reformation · 226th pope in the Annuario Pontificio list
Gregory XIII
- Pontificate
- 02/06/1572 – 10/04/1585
- Birth name
- Ugo Buoncompagni
- Born – died
- 1502 – 1585
- Predecessor
- Pius V
- Successor
- Sixtus V
A short profile for this pope is in preparation.
List: Wikidata (CC0), ordinals per the Annuario Pontificio, retrieved 2026-10-01. Antipopes are not included. For the current pope, see vatican.va.