# Ammianus Marcellinus

> 4th-century Roman historian and soldier

**Wikidata**: [Q172198](https://www.wikidata.org/wiki/Q172198)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ammianus_Marcellinus)  
**Source**: https://4ort.xyz/entity/ammianus-marcellinus

## Summary
Ammianus Marcellinus was a 4th-century Roman historian and soldier, best known for authoring *Roman History* (*Res Gestae*), a comprehensive chronicle of the later Roman Empire. His work is considered one of the most important sources for understanding the period from the accession of Nerva (96 CE) to his own time.

## Biography
- Born: c. 320–330 CE, likely in Antioch or another region of the Eastern Roman Empire
- Nationality: Roman
- Education: Likely received a traditional Roman education, possibly in rhetoric and law
- Known for: Writing *Res Gestae*, a 31-volume history of Rome, covering from the reign of Nerva to the death of Valens
- Employer(s): Roman military; served as a soldier under emperors Constantius II and Julian
- Field(s): Historiography, ancient history, military service

## Contributions
- Authored *Res Gestae* (Roman History), a detailed historical account originally in 31 volumes, covering the period from Nerva to the late 4th century
- Provided a critical and firsthand narrative of the later Roman Empire, particularly valuable for its detailed accounts of emperors like Julian and Valens
- Influenced later historians and modern scholarship on late antiquity through his precise and often critical observations
- His work remains a primary source for understanding the political, military, and social dynamics of the late Roman Empire

## FAQs
### Who was Ammianus Marcellinus?
Ammianus Marcellinus was a Roman historian and soldier of the 4th century who wrote *Res Gestae*, a major historical work chronicling the later Roman Empire.

### What is *Res Gestae*?
*Res Gestae* (Roman History) is Ammianus Marcellinus’s principal historical work, originally consisting of 31 volumes, of which 18 survive. It covers Roman history from the reign of Nerva to the death of Emperor Valens in 378 CE.

### What role did Ammianus play in the Roman military?
He served as a soldier in the Roman army, participating in military campaigns under emperors Constantius II and Julian, which provided him with firsthand experience that informed his historical writings.

### Why is Ammianus Marcellinus important to history?
His historical writings are among the most accurate and comprehensive sources for the late Roman Empire, particularly valued for their detailed and often critical portrayal of emperors and political events.

### Where was Ammianus Marcellinus from?
He was likely born in the Eastern Roman Empire, possibly in Antioch, and spent much of his life in regions such as Syria and Egypt due to his military service.

## Why They Matter
Ammianus Marcellinus is one of the most significant historians of the late Roman Empire, offering a rare, detailed, and relatively unbiased account of the period. His work, *Res Gestae*, is unmatched in its scope and depth, providing modern historians with crucial insights into the political and military realities of the 4th century CE. His influence extends to the preservation of historical truth through his rigorous narrative style, which contrasts with the often biased or mythologized accounts of earlier historians. His writings have shaped modern understanding of figures like Julian the Apostate and the broader socio-political dynamics of the late empire.

## Notable For
- Writing *Res Gestae*, a major historical work of 31 volumes, 13 of which are lost
- Serving as a soldier in the Roman army under emperors Constantius II and Julian
- Being one of the last great historians of antiquity, preserving crucial historical narratives
- Providing a critical, nonpartisan account of Roman imperial politics and military campaigns
- Influencing later historians and modern scholars through his clear, detailed prose and historical methodology

## Body

### Early Life and Background
Ammianus Marcellinus was born around 320–330 CE, likely in Antioch or another part of the Eastern Roman Empire. He was educated in rhetoric and law, which equipped him with the literary and analytical skills necessary for historical writing. His early life was shaped by his service in the Roman military, where he gained firsthand experience of the empire’s internal and external conflicts.

### Military Service
Ammianus served as a soldier under emperors Constantius II and Julian, participating in campaigns across the Danube and in the East. His military background provided him with direct insight into the political and military mechanisms of the empire, which later informed his historical narratives. His service likely ended after Julian’s death in 363 CE, after which he began his career as a writer.

### Literary Career and Major Works
Ammianus is best known for *Res Gestae* (Roman History), a 31-volume chronicle of Rome from the reign of Emperor Nerva (96 CE) to the death of Valens (378 CE). Of these, 18 volumes survive, covering the years 354–378 CE in detail. The work is notable for its critical tone, historical accuracy, and deep understanding of political and military affairs. It remains one of the most important sources for the late Roman Empire.

### Historical Methodology
Ammianus’s approach to historiography is distinguished by his commitment to factual accuracy and critical analysis. He avoided the mythologized tone of earlier Roman historians like Livy or Suetonius, instead offering a more sober, analytical narrative. His work is especially valued for its portrayal of emperors like Julian, whom he accompanied on military campaigns, and Valens, whose reign ended with the Battle of Adrianople.

### Influence and Legacy
Ammianus’s influence on later historians and modern scholarship is profound. His work is cited by numerous classical and Byzantine authors and remains a foundational text for understanding the late Roman Empire. His emphasis on accuracy and critical analysis helped establish a more rigorous approach to historiography, influencing the development of historical methodology in both antiquity and the Renaissance.

### Personal and Professional Context
Though little is known of his personal life, Ammianus lived through the reigns of Constantius II, Julian, Jovian, and Valens, all of whom are central figures in his narrative. His proximity to power and military experience allowed him to write with authority on events he either witnessed or had access to firsthand accounts of.

### Critical Reception and Modern Recognition
Modern scholars regard *Res Gestae* as one of the most important historical works of antiquity. It is frequently cited in academic works on the late Roman Empire and is a key source for understanding the period's political instability, military challenges, and religious transformation. His legacy is preserved in numerous historical and literary references, and his influence is evident in the works of later historians and chroniclers.

### Related Entities and Connections
- **Notable Work**: *Res Gestae* (Roman History)
- **Field of Work**: Historiography, ancient history, military history
- **Affiliation**: Roman military and administrative service
- **Cultural Context**: Late Roman Empire, 4th century CE
- **Historical Period**: 354–378 CE (covered in *Res Gestae*)
- **Influence on**: Modern historical understanding of the late Roman Empire, Byzantine historiography, and Renaissance humanist scholars

Ammianus Marcellinus remains a pivotal figure in the historical tradition, bridging the gap between classical antiquity and the medieval world through his rigorous and enduring historical contributions.

## References

1. Integrated Authority File
2. general catalog of BnF
3. Nouveau Dictionnaire des auteurs de tous les temps et de tous les pays
4. Ammianus Marcellinus
5. [Source](https://muse.jhu.edu/journals/american_journal_of_philology/v121/121.4tatum.html)
6. Mirabile: Digital Archives for Medieval Culture
7. International Standard Name Identifier
8. CiNii Research
9. Virtual International Authority File
10. LIBRIS
11. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
12. AlKindi
13. Babelio
14. Sapere Encyclopedia
15. Catalogue of the Unione Romana Biblioteche Scientifiche
16. VcBA (identifier)
17. Freebase Data Dumps. 2013
18. CONOR.SI
19. Treccani's Enciclopedia on line
20. Enciclopedia Treccani
21. [Source](https://www.archinform.net/service/wd_aiarch.php)
22. [LIBRIS. 2012](https://libris.kb.se/katalogisering/1zcff18k18vplz5)
23. Dizionario di Storia
24. [Source](https://encyklopedia.pwn.pl/haslo/Ammianus-Marcellinus;3868793.html)
25. Bibliography of the History of the Czech Lands
26. Provenio
27. HMML Authority File
28. Clavis Historicorum Antiquitatis Posterioris