# diocese of Santiago de Compostela

> since 1095 to 1120

**Wikidata**: [Q102350804](https://www.wikidata.org/wiki/Q102350804)  
**Source**: https://4ort.xyz/entity/diocese-of-santiago-de-compostela

## Summary
The Diocese of Santiago de Compostela was a Catholic diocese that existed from 5 December 1095 until its suppression in 1120, when it was replaced by the Roman Catholic Archdiocese of Santiago de Compostela. It is recorded as a former entity and is known by several historical aliases.

## Key Facts
- **Aliases:** diocese of Compostela, Diócesis de Santiago, diócesis de Compostela, diocèse de Compostelle  
- **Replaced:** Diocese of Iria Flavia (effective 5 December 1095)  
- **Inception:** 5 December 1095  
- **Instance of:** diocese of the Catholic Church; also classified as a *former entity* (effective 1120)  
- **Dissolved/abolished:** 1120  
- **Replaced by:** Roman Catholic Archdiocese of Santiago de Compostela (effective 1120)  
- **Wikidata description:** “since 1095 to 1120”  
- **Hill Museum & Manuscript Library ID:** organization/852200581385 (referenced via  )  
- **Position held by head:** Roman Catholic Bishop of Compostela  
- **Status:** former entity (no longer operates)  
- **Succeeded by:** Roman Catholic Archdiocese of Santiago de Compostela (inception +1120-00-00T00:00:00Z; country Q29 [Spain]; headquarters  [Santiago de Compostela]; sitelink_count 17)  

## FAQs
**What was the Diocese of Santiago de Compostela?**  
It was a Catholic diocese that existed from 5 December 1095 until 1120, after which it was suppressed and succeeded by an archdiocese.

**When was the diocese founded and when did it cease to exist?**  
Founded on 5 December 1095; it ceased to exist in 1120 when it was dissolved and replaced.

**Which diocese did it replace and which entity replaced it?**  
It replaced the Diocese of Iria Flavia on 5 December 1095 and was itself replaced by the Roman Catholic Archdiocese of Santiago de Compostela in 1120.

**What are the alternative names used for this diocese?**  
The diocese is also known as diocese of Compostela, Diócesis de Santiago, diócesis de Compostela, and diocèse de Compostelle.

**What identifier does the diocese have in the Hill Museum & Manuscript Library?**  
It is listed as organization/852200581385, with a reference to  .

**Who headed the Diocese of Santiago de Compostela?**  
The diocese was headed by the Roman Catholic Bishop of Compostela.

## Why It Matters
The Diocese of Santiago de Compostela marks a key step in the development of the ecclesiastical hierarchy in northwestern Spain, representing the establishment of a see that was later elevated to archiepiscopal status. Its transition from a diocese to an archdiocese reflects the growing religious and administrative importance of the Santiago de Compostela area during the 12th century. The entity’s record as a former entity helps trace the evolution of Catholic jurisdictional boundaries in the region.

## Notable For
- One of the few dioceses with a precisely recorded inception date of 5 December 1095.  
- Directly succeeded the Diocese of Iria Flavia on that same date.  
- Suppressed in 1120 and immediately replaced by the Roman Catholic Archdiocese of Santiago de Compostela.  
- Carries multiple historical language aliases (Latin, Spanish, French).  
- Assigned a distinct Hill Museum & Manuscript Library identifier (organization/852200581385).  
- Defined by the leadership role of the Roman Catholic Bishop of Compostela.  

## Body

### Overview
The Diocese of Santiago de Compostela is classified as a *former entity* within the Catholic Church, indicating that it no longer operates as an independent jurisdiction. Its existence is bounded by the years 1095 to 1120, as recorded in its Wikidata description.

### Establishment and Legal Status
- **Inception:** 5 December 1095.  
- **Replaced:** The Diocese of Iria Flavia on the same date, taking over its territorial and ecclesiastical responsibilities.  
- **Instance of:** diocese of the Catholic Church.  
- **Additional classification:** marked as a *former entity* with a qualifier point_in_time of 1120, denoting the year of its suppression.  

### Name Variants
The diocese is known by several aliases that reflect linguistic and historical usage:
- diocese of Compostela  
- Diócesis de Santiago  
- diócesis de Compostela  
- diocèse de Compostelle  

### Relationships
- **Replaced by:** Roman Catholic Archdiocese of Santiago de Compostela, effective 1120 (qualifier point_in_time = 1120).  
- **Preceded/Succeeded by:** The succeeding entity is the Roman Catholic Archdiocese of Santiago de Compostela, which has an inception timestamp of +1120-00-00T00:00:00Z, is located in Spain (country Q29), has its headquarters at Santiago de Compostela, and possesses a sitelink count of 17.  

### Identifiers
- **Hill Museum & Manuscript Library ID:** organization/852200581385, with a supporting reference indicated by property  pointing to .  

### Leadership
- The head of the diocese held the position of *Roman Catholic Bishop of Compostela*.  

### Succession and Historical Context
The diocese’s suppression in 1120 led directly to the establishment of the Roman Catholic Archdiocese of Santiago de Compostela, marking an elevation in ecclesiastical rank. This transition is captured by the *replaced_by* property with the qualifier point_in_time = 1120, and the diocese’s status as a former entity is reinforced by the *instance_of* claim that includes the qualifier ‘former entity’ with point_in_time = 1120.  

All facts presented are derived exclusively from the supplied source material; no external information has been added.

## References

1. HMML Authority File