Callixtus III
His election as Callixtus III brought the Borgia family to the papacy for the first time. He promoted resistance to the Ottoman advance after the fall of Constantinople.
This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.
Key details
Birth: 31 December 1378 Documented
Death: 6 August 1458 Documented
Role: Pope
Other recorded names: Alfonso de Borja · Alfonso Borgia · Alfonso de Borja (Calixto III)
Dynasty: Borgia · ES
Territories: Papal States (ES)
Recorded relationships
Sources for this profile
- Deutsche Nationalbibliothek · GND authority record · Calixtus III., Papst
- Real Academia de la Historia · Diccionario Biográfico español
- Treccani · Dizionario Biografico degli Italiani
- Encyclopaedia Britannica
Biographical and contextual references in their original language. Sources and methodology.
Evidence for this profile
5 recorded claims · 3 without a claim-specific source. Context references do not by themselves verify every fact.
Dates (2/2 with a precise source)
- BirthDocumented
31 December 1378
The authority record gives the birth as 1378-12-31. - DeathDocumented
6 August 1458
The authority record gives the death as 1458-08-06.
Family and relationships (0/2 with a precise source)
- FatherPending review
Domingo de Borja
A precise source has not yet been added. - MotherPending review
Francisca Cavanilles
A precise source has not yet been added.
Governments (0/1 with a precise source)
- GovernmentPending review
Pope · Papal States · 1455–1458
A precise source has not yet been added.
Biographical and contextual references (4)
Editorial history
- 2026-10-12 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-08 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-04 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-04 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-03 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-09-30 · The duchy is limited to Dijon and Autun; each other fief now enters the map only under its dated ruler. John III of Namur and the Nevers/Rethel branch were added. The previous shape combined later counties and unrelated lands as if all belonged to the duchy from 1363.
- 2026-09-28 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
