Imperator Caesar Flavius Petronius Maximus Augustus
E224008
Imperator Caesar Flavius Petronius Maximus Augustus was a short-reigning Western Roman emperor in 455 AD, known for seizing power after Valentinian III’s assassination and dying during the Vandal sack of Rome.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T2001807 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: Imperator Caesar Flavius Petronius Maximus Augustus Context triple: [Petronius Maximus, title, Imperator Caesar Flavius Petronius Maximus Augustus]
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A.
Majorian
Majorian was a 5th-century Western Roman emperor noted for his energetic but ultimately unsuccessful efforts to restore the crumbling empire through military campaigns and administrative reforms.
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B.
Vitellius
Vitellius was a short-lived Roman emperor in 69 AD, the tumultuous "Year of the Four Emperors," known for his downfall amid civil war and succession by Vespasian.
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C.
Carinus
Carinus was a Roman emperor of the late 3rd century who ruled during the Crisis of the Third Century and was ultimately defeated by Diocletian.
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D.
Emperor Gordian III
Emperor Gordian III was a young 3rd-century Roman emperor whose brief reign (238–244 AD) was marked by campaigns against the Sassanid Empire and relative internal stability following the Year of the Six Emperors.
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E.
Libius Severus
Libius Severus was a little-known Western Roman emperor who reigned from 461 to 465 AD as a puppet of the powerful general Ricimer during the empire’s final decline.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Imperator Caesar Flavius Petronius Maximus Augustus Target entity description: Imperator Caesar Flavius Petronius Maximus Augustus was a short-reigning Western Roman emperor in 455 AD, known for seizing power after Valentinian III’s assassination and dying during the Vandal sack of Rome.
-
A.
Majorian
Majorian was a 5th-century Western Roman emperor noted for his energetic but ultimately unsuccessful efforts to restore the crumbling empire through military campaigns and administrative reforms.
-
B.
Vitellius
Vitellius was a short-lived Roman emperor in 69 AD, the tumultuous "Year of the Four Emperors," known for his downfall amid civil war and succession by Vespasian.
-
C.
Carinus
Carinus was a Roman emperor of the late 3rd century who ruled during the Crisis of the Third Century and was ultimately defeated by Diocletian.
-
D.
Emperor Gordian III
Emperor Gordian III was a young 3rd-century Roman emperor whose brief reign (238–244 AD) was marked by campaigns against the Sassanid Empire and relative internal stability following the Year of the Six Emperors.
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E.
Libius Severus
Libius Severus was a little-known Western Roman emperor who reigned from 461 to 465 AD as a puppet of the powerful general Ricimer during the empire’s final decline.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Roman emperor
ⓘ
Western Roman emperor ⓘ human ⓘ |
| capitalDuringReign | Rome ⓘ |
| causeOfDownfall | Vandal threat and popular unrest in Rome ⓘ |
| countryOfCitizenship | Western Roman Empire ⓘ |
| deathCause | killed by mob ⓘ |
| deathDate | 455-05-31 ⓘ |
| deathEvent |
Sack of Rome 455 AD
ⓘ
surface form:
Vandal sack of Rome
|
| deathPlace | Rome ⓘ |
| deathYear | 455 ⓘ |
| dynasty | Theodosian-related usurper ⓘ |
| era | Late Antiquity ⓘ |
| familyName | Maximus ⓘ |
| fullName | Imperator Caesar Flavius Petronius Maximus Augustus self-linksurface differs ⓘ |
| givenName | Petronius ⓘ |
| governmentType | autocracy ⓘ |
| historicalPeriod | fall of the Western Roman Empire ⓘ |
| honorificPrefix |
Imperator
ⓘ
surface form:
Imperator Caesar
|
| knownFor | very brief reign of about two and a half months ⓘ |
| languageOfRecord | Latin ⓘ |
| nobleTitle | patrician ⓘ |
| notableEvent |
Vandal invasion of Italy
ⓘ
Vandal sack of Rome in 455 ⓘ |
| notableFor |
death during flight from Rome as Vandals entered the city
ⓘ
usurping the Western Roman throne ⓘ |
| occupation |
Roman senator
ⓘ
emperor ⓘ |
| positionHeld |
Roman consul
ⓘ
Western Roman emperor ⓘ patricius ⓘ praetorian prefect of Italy ⓘ |
| predecessor | Valentinian III ⓘ |
| realm | Western Roman Empire ⓘ |
| regnalName |
Imperator Caesar Flavius Petronius Maximus Augustus
self-linksurface differs
ⓘ
surface form:
Flavius Petronius Maximus Augustus
|
| reign | 455 ⓘ |
| reignEndDate | 455-05-31 ⓘ |
| reignStartDate | 455-03-17 ⓘ |
| religion | Nicene Christianity ⓘ |
| responsibleFor | forcing marriage of Eudocia to his son Palladius ⓘ |
| seizedPowerAfter | assassination of Valentinian III ⓘ |
| shortDescription | short-reigning Western Roman emperor in 455 ⓘ |
| spouse |
Aelia Eudocia
ⓘ
surface form:
Eudoxia (widow of Valentinian III)
|
| successor | Avitus ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: Imperator Caesar Flavius Petronius Maximus Augustus Description of subject: Imperator Caesar Flavius Petronius Maximus Augustus was a short-reigning Western Roman emperor in 455 AD, known for seizing power after Valentinian III’s assassination and dying during the Vandal sack of Rome.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.