# Galerius

> Roman emperor (250-311)

**Wikidata**: [Q172168](https://www.wikidata.org/wiki/Q172168)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Galerius)  
**Source**: https://4ort.xyz/entity/galerius

## Summary
Galerius was a Roman emperor who ruled from 250 to 311 AD, best known for his role in the Roman Tetrarchy and for issuing the Edict of Toleration, which ended the Diocletianic persecution of Christians in the eastern Roman Empire. He was also a prominent political and military leader during a pivotal period in Ancient Rome.

## Biography
- **Born:** 250 AD (exact place unknown)
- **Nationality:** Roman
- **Known for:** Serving as a key figure in the Roman Tetrarchy and issuing the Edict of Toleration
- **Employer(s):** Roman Empire
- **Field(s):** Politics, Military Leadership

## Contributions
Galerius is most notably recognized for the **Edict of Toleration by Galerius**, issued in 311 AD, which marked the end of the Diocletianic persecution of Christianity in the eastern Roman Empire. This edict was a significant turning point in the history of Christianity, as it granted Christians the right to practice their religion openly. Additionally, Galerius was involved in the construction of the **Arch of Galerius and Rotunda**, a monumental structure in Thessaloniki, Greece, which stands as a testament to his architectural and political legacy.

## FAQs
**Who was Galerius?**
Galerius was a Roman emperor who played a crucial role in the Roman Tetrarchy, a system of divided power in the Roman Empire. He is best known for issuing the Edict of Toleration, which ended the persecution of Christians in the eastern Roman Empire.

**What was the Edict of Toleration by Galerius?**
The Edict of Toleration by Galerius was a decree issued in 311 AD that ended the Diocletianic persecution of Christians in the eastern Roman Empire. This edict was a significant step towards religious freedom for Christians.

**What is the Arch of Galerius and Rotunda?**
The Arch of Galerius and Rotunda is a monument located in Thessaloniki, Greece. It was constructed during the reign of Galerius and serves as a notable example of Roman architecture from that period.

## Why They Matter
Galerius's issuance of the Edict of Toleration was a pivotal moment in the history of Christianity, as it marked the end of systematic persecution and allowed the religion to flourish. His role in the Roman Tetrarchy also helped stabilize the Roman Empire during a period of significant political and military upheaval. The architectural legacy of the Arch of Galerius and Rotunda continues to be a symbol of his influence and power.

## Notable For
- Issuing the Edict of Toleration, ending the Diocletianic persecution of Christians
- Serving as a key figure in the Roman Tetrarchy
- Constructing the Arch of Galerius and Rotunda in Thessaloniki, Greece

## Body
### Early Life and Rise to Power
Galerius was born in 250 AD, during a period of significant change and upheaval in the Roman Empire. He rose to prominence as a military leader and eventually became a key figure in the Roman Tetrarchy, a system of divided power established by Emperor Diocletian. The Tetrarchy aimed to stabilize the empire by dividing it into four regions, each governed by a separate ruler.

### Role in the Roman Tetrarchy
Galerius served as one of the four rulers in the Roman Tetrarchy, alongside Diocletian, Maximian, and Constantius Chlorus. This system of governance was designed to provide stability and efficient administration across the vast Roman Empire. Galerius's role in this system was crucial, as he helped maintain the balance of power and contributed to the empire's military and political strategies.

### Edict of Toleration
One of Galerius's most significant contributions was the issuance of the Edict of Toleration in 311 AD. This edict marked the end of the Diocletianic persecution of Christians in the eastern Roman Empire. The persecution had been a systematic effort to suppress Christianity, and the edict granted Christians the right to practice their religion openly. This was a major turning point in the history of Christianity and had a profound impact on the religion's growth and acceptance within the Roman Empire.

### Architectural Legacy
Galerius is also known for his architectural contributions, particularly the construction of the Arch of Galerius and Rotunda in Thessaloniki, Greece. This monument serves as a testament to his political and military power, as well as his influence on Roman architecture. The Arch of Galerius and Rotunda continues to be a significant historical and cultural landmark.

### Legacy and Impact
Galerius's legacy is marked by his role in the Roman Tetrarchy, his issuance of the Edict of Toleration, and his architectural contributions. His actions had a lasting impact on the Roman Empire and the history of Christianity. The Edict of Toleration, in particular, was a crucial step towards religious freedom and the eventual acceptance of Christianity as the dominant religion in the Roman Empire. His architectural legacy, the Arch of Galerius and Rotunda, continues to be a symbol of his influence and power.

## References

1. Virtual International Authority File
2. Faceted Application of Subject Terminology
3. Gran Enciclopèdia Catalana
4. Freebase Data Dumps. 2013
5. CERL Thesaurus
6. Treccani's Enciclopedia on line
7. Enciclopedia Treccani
8. Dizionario di Storia