Decius
E194634
Decius was a 3rd-century Roman emperor known for initiating one of the first empire-wide persecutions of Christians.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Decius canonical | 20 |
| Gaius Messius Quintus Decius | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1703887 — 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.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Decius Context triple: [Sirmium, birthplaceOf, Decius]
-
A.
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.
-
B.
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.
-
C.
Commodus
Commodus was a Roman emperor (reigned 180–192 AD) known for his erratic rule, self-indulgence, and association with the decline of the Roman Empire.
-
D.
Maxentius
Maxentius was a Roman emperor who ruled Italy and Africa in the early 4th century and was famously defeated by Constantine the Great at the Battle of the Milvian Bridge.
-
E.
Avidius Cassius
Avidius Cassius was a 2nd-century Roman general and brief usurper emperor known for his successful eastern campaigns under Marcus Aurelius and his short-lived revolt against the emperor.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Decius Target entity description: Decius was a 3rd-century Roman emperor known for initiating one of the first empire-wide persecutions of Christians.
-
A.
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.
-
B.
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.
-
C.
Commodus
Commodus was a Roman emperor (reigned 180–192 AD) known for his erratic rule, self-indulgence, and association with the decline of the Roman Empire.
-
D.
Maxentius
Maxentius was a Roman emperor who ruled Italy and Africa in the early 4th century and was famously defeated by Constantine the Great at the Battle of the Milvian Bridge.
-
E.
Avidius Cassius
Avidius Cassius was a 2nd-century Roman general and brief usurper emperor known for his successful eastern campaigns under Marcus Aurelius and his short-lived revolt against the emperor.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Roman emperor
ⓘ
human ⓘ |
| alsoKnownAs |
Gaius Messius Quintus Traianus Decius
ⓘ
linked to:
Emperor Decius
Trajan Decius ⓘ
linked to:
Emperor Decius
|
| battle | Battle of Abrittus ⓘ |
| birthCentury | 3rd century ⓘ |
| birthEmpire | Roman Empire ⓘ |
| birthPlace | Budalia ⓘ |
| birthProvince | Pannonia Inferior ⓘ |
| birthRegion | Pannonia ⓘ |
| child |
Herennius Etruscus
ⓘ
Hostilian ⓘ |
| citizenship | Roman ⓘ |
| conflict | Gothic War (249–251) ⓘ |
| deathCause | killed in battle ⓘ |
| deathDate | June 251 ⓘ |
| deathEmpire | Roman Empire ⓘ |
| deathPlace | Abrittus ⓘ |
| deathRegion | Moesia Inferior ⓘ |
| diedIn | Battle of Abrittus ⓘ |
| dynasty |
Illyrian emperors
ⓘ
linked to:
Roman emperors
|
| era | Crisis of the Third Century ⓘ |
| familyName | Messius Quintus ⓘ |
| fullName |
Gaius Messius Quintus Decius
ⓘ
linked to:
Decius
|
| gender | male ⓘ |
| givenName | Gaius ⓘ |
| historicalPeriod | 3rd-century Roman Empire ⓘ |
| imperialColleague |
Herennius Etruscus
ⓘ
Hostilian ⓘ |
| mannerOfDeath | died in battle against the Goths ⓘ |
| notableFor |
initiating an empire-wide persecution of Christians
ⓘ
issuing the Decian edict requiring universal sacrifice to the Roman gods ⓘ |
| persecutionOf | Christians ⓘ |
| policy | mandatory public sacrifice to Roman gods for all inhabitants of the empire ⓘ |
| positionHeld |
Roman emperor
ⓘ
consul of the Roman Empire ⓘ governor of Germania Inferior ⓘ governor of Moesia ⓘ urban prefect of Rome ⓘ |
| predecessor | Philip the Arab ⓘ |
| reignEnd | 251 ⓘ |
| reignStart | 249 ⓘ |
| religion | Roman paganism ⓘ |
| soughtTo |
restore traditional Roman religion
ⓘ
strengthen imperial authority ⓘ |
| spouse | Herennia Etruscilla ⓘ |
| successor | Trebonianus Gallus ⓘ |
| title |
Augustus
ⓘ
Pontifex Maximus ⓘ
linked to:
pontifex maximus
|
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.
Instruction
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.
Input
Subject: Decius Description of subject: Decius was a 3rd-century Roman emperor known for initiating one of the first empire-wide persecutions of Christians.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.