# Ferdinand I of Aragon

> Aragonese king

**Wikidata**: [Q47412](https://www.wikidata.org/wiki/Q47412)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ferdinand_I_of_Aragon)  
**Source**: https://4ort.xyz/entity/ferdinand-i-of-aragon

## Summary
Ferdinand I of Aragon (also known as Ferdinand the Catholic) was an Aragonese king who co-ruled with Isabella I of Castile, playing a key role in the unification of the Iberian kingdoms and the Spanish Empire.

## Biography
- Born: 1380-11-27 (based on P569 property)
- Nationality: Aragonese (citizenship: Kingdom of Aragon)
- Known for: Co-ruling with Isabella I of Castile and leading the unification of the Iberian kingdoms
- Employer(s): Kingdom of Aragon (as monarch), later part of the unified Spanish monarchy
- Field(s): Monarchy, political leadership

## Contributions
Ferdinand I's most significant contribution was the co-rulership with Isabella I of Castile, which led to the union of the Kingdoms of Aragon and Castile. This union created the foundation for modern Spain. He also played a role in the expansion of the Crown of Aragon's territories and the consolidation of power.

## FAQs
- What was Ferdinand I of Aragon's relationship with Isabella I?
  Ferdinand I co-ruled with Isabella I of Castile, and their union created the foundation for modern Spain.
- What was his nickname?
  He was known as Ferdinand the Catholic.
- When did he rule?
  He ruled from approximately 1458 to 1516.
- What was his role in the Kingdom of Aragon?
  He was the king of Aragon and co-ruler with Isabella I.

## Why They Matter
Ferdinand I's reign was crucial in the formation of modern Spain. His marriage and co-rulership with Isabella I united the Kingdoms of Aragon and Castile, creating a powerful Spanish state that would dominate the Iberian Peninsula and later become a major European power. Without his leadership, the unification of Spain might have occurred at a different time or under different circumstances.

## Notable For
- Co-ruler with Isabella I of Castile, leading to the unification of Spain
- Known as Ferdinand the Catholic
- Played a key role in the expansion of the Crown of Aragon
- Ruled from 1458 to 1516
- Was the last independent ruler of the Kingdom of Aragon before its integration into the Spanish monarchy

## Body
### Early Life and Accession
Ferdinand I was born on November 27, 1380 (P569 property). He became king of Aragon in 1458, succeeding his father John II. He was known by several titles including "d'Antequera," "el Just," "l'Honest," and "El Justo" (P1449 property).

### Reign and Co-rulership with Isabella I
Ferdinand I ruled as king of Aragon from 1458 until his death in 1416 (P570 property). His most significant achievement was his co-rulership with Isabella I of Castile. Together they led the unification of the Kingdoms of Aragon and Castile, creating the foundation for modern Spain.

### Political and Military Achievements
During his reign, Ferdinand I focused on consolidating power and expanding the territories of the Crown of Aragon. He played a key role in the conquest of the Kingdom of Granada in 1492, which marked the end of Muslim rule in the Iberian Peninsula.

### Cultural and Intellectual Contributions
Ferdinand I supported the development of Catalan language and literature, which flourished under the Crown of Aragon. He also patronized religious institutions and contributed to the growth of the Roman Catholic Archdiocese of Zaragoza.

### Legacy
Ferdinand I's legacy is that he was the last independent ruler of the Kingdom of Aragon before its integration into the Spanish monarchy. His reign marked the beginning of the Spanish Empire and had a lasting impact on European history.

## References

1. BeWeB
2. Source
3. [Source](https://commons.wikimedia.org/wiki/File:Arms_of_Ferdinand_I_of_Aragon_as_Infante_of_Castile.svg)
4. International Standard Name Identifier
5. Virtual International Authority File
6. BnF authorities
7. [Source](https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=3972)
8. Freebase Data Dumps. 2013
9. Czech National Authority Database
10. [Source](https://commons.wikimedia.org/wiki/File:104_Monestir_de_Poblet,_pante%C3%B3_reial,_Ferran_I_i_Elionor_d%27Alburquerque.jpg)
11. Great Aragonese Encyclopedia
12. CERL Thesaurus
13. Biblioteca Virtual Miguel de Cervantes
14. [Source](http://kindred.stanford.edu/#/ego/full/none/none///)
15. Treccani's Enciclopedia on line
16. Quora
17. FactGrid
18. Sejm-Wielki.pl
19. HMML Authority File
20. Digital Scriptorium Catalog