# Dionysius Exiguus

> Byzantine saint

**Wikidata**: [Q274091](https://www.wikidata.org/wiki/Q274091)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Dionysius_Exiguus)  
**Source**: https://4ort.xyz/entity/dionysius-exiguus

## Summary
Dionysius Exiguus was a Byzantine saint, monk, mathematician, translator, canon law jurist, and writer. He is best known for his contributions to the development of the Anno Domini (AD) dating system, which revolutionized historical chronology.

## Biography
- Born: [date and place not specified]
- Nationality: Byzantine (modern-day Greece, Turkey, or Balkans)
- Education: [not specified]
- Known for: Developing the Anno Domini (AD) dating system
- Employer(s): [not specified]
- Field(s): Mathematics, canon law, translation, monasticism

## Contributions
- **Anno Domini (AD) Dating System**: Dionysius Exiguus is credited with introducing the AD system, which replaced the traditional Byzantine era-based dating system. This system became the global standard for historical chronology.

## FAQs
**What was Dionysius Exiguus known for?**
Dionysius Exiguus is known for developing the Anno Domini (AD) dating system, which standardized historical chronology and is now widely used worldwide.

**What fields did Dionysius Exiguus work in?**
He worked in mathematics, canon law, translation, and monasticism.

**Where did Dionysius Exiguus live?**
He was a Byzantine saint, suggesting his primary activity was in the Byzantine Empire (modern-day Greece, Turkey, or Balkans).

## Why They Matter
Dionysius Exiguus's development of the Anno Domini (AD) dating system had a profound impact on historical record-keeping. Before his work, historical dates were often recorded using era-based systems, which could lead to confusion. His system provided a universal framework for dating events, making historical research more accurate and consistent. Without his contributions, modern historical studies would lack a standardized dating method, complicating the study of past events.

## Notable For
- Pioneered the Anno Domini (AD) dating system, which became the global standard for historical chronology.
- A Byzantine saint, monk, mathematician, translator, and canon law jurist.

## Body
### Identity and Roles
Dionysius Exiguus was a Byzantine saint, monk, mathematician, translator, canon law jurist, and writer. His primary identity was as a scholar and religious figure, though his contributions extended beyond monastic life.

### Contributions to Chronology
Dionysius Exiguus is credited with developing the Anno Domini (AD) dating system, which replaced the traditional Byzantine era-based dating system. This system became the global standard for historical chronology, allowing for more precise and consistent dating of events.

### Fields of Work
His work spanned multiple fields, including mathematics, canon law, translation, and monasticism. His mathematical contributions helped standardize historical record-keeping, while his work in canon law and translation furthered scholarly and religious knowledge.

### Influence on Historical Studies
The AD dating system introduced by Dionysius Exiguus revolutionized historical studies by providing a universal framework for dating events. This standardization made historical research more accurate and consistent, enabling scholars to compare and analyze events across different regions and time periods.

### Legacy
Dionysius Exiguus's legacy endures in the global adoption of the Anno Domini (AD) dating system, which remains the standard for historical chronology. His work as a Byzantine saint, monk, mathematician, translator, and canon law jurist also contributed to the development of scholarly and religious knowledge in the medieval period.

## References

1. Mirabile: Digital Archives for Medieval Culture
2. Integrated Authority File
3. Virtual International Authority File
4. BnF authorities
5. CiNii Research
6. Source
7. Freebase Data Dumps. 2013
8. CERL Thesaurus
9. Dizionario Biografico degli Italiani
10. Library of Congress Control Number
11. Treccani's Enciclopedia on line
12. Enciclopedia Treccani
13. [LIBRIS. 2012](https://libris.kb.se/katalogisering/zw9cc9rh2bc4tlf)
14. HMML Authority File