Emperor Decius
E436240
Emperor Decius was a third-century Roman emperor best known for his empire-wide persecution of Christians and efforts to restore traditional Roman religion.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Trajan Decius | 3 |
| Emperor Decius canonical | 2 |
| Gaius Messius Quintus Traianus Decius | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4360060 — 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: Emperor Decius Context triple: [Decian persecution, namedAfter, Emperor Decius]
-
A.
Maximinus Daia
Maximinus Daia was a Roman emperor of the early 4th century, known as one of the Tetrarchs and a fierce persecutor of Christians in the eastern provinces.
-
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.
Numerian
Numerian was a Roman emperor of the late 3rd century who briefly ruled the eastern half of the empire before his mysterious death in 284 AD.
-
D.
Jovinus
Jovinus was a Roman usurper who briefly claimed the imperial title in Gaul during the early 5th century Western Roman Empire.
-
E.
Caracalla
Caracalla was a Roman emperor best known for granting Roman citizenship to most free inhabitants of the empire and for commissioning the grand Baths of Caracalla in Rome.
- 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: Emperor Decius Target entity description: Emperor Decius was a third-century Roman emperor best known for his empire-wide persecution of Christians and efforts to restore traditional Roman religion.
-
A.
Maximinus Daia
Maximinus Daia was a Roman emperor of the early 4th century, known as one of the Tetrarchs and a fierce persecutor of Christians in the eastern provinces.
-
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.
Numerian
Numerian was a Roman emperor of the late 3rd century who briefly ruled the eastern half of the empire before his mysterious death in 284 AD.
-
D.
Jovinus
Jovinus was a Roman usurper who briefly claimed the imperial title in Gaul during the early 5th century Western Roman Empire.
-
E.
Caracalla
Caracalla was a Roman emperor best known for granting Roman citizenship to most free inhabitants of the empire and for commissioning the grand Baths of Caracalla in Rome.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
3rd-century Roman person
ⓘ
Roman consul ⓘ Roman emperor ⓘ Roman senator ⓘ persecutor of Christians ⓘ |
| battle | Battle of Abrittus NERFINISHED ⓘ |
| birthDate | circa 201 ⓘ |
| birthEmpire | Roman Empire NERFINISHED ⓘ |
| birthPlace | Budalia NERFINISHED ⓘ |
| birthProvince | Pannonia Inferior NERFINISHED ⓘ |
| birthRegion | Pannonia NERFINISHED ⓘ |
| cameToPowerAs | Roman emperor ⓘ |
| cameToPowerBy | acclamation by the army ⓘ |
| child |
Herennius Etruscus
NERFINISHED
ⓘ
Hostilian NERFINISHED ⓘ |
| conflictWith | Goths NERFINISHED ⓘ |
| deathContext | Battle of Abrittus NERFINISHED ⓘ |
| deathDate | June 251 ⓘ |
| deathEmpire | Roman Empire NERFINISHED ⓘ |
| deathManner | killed in battle ⓘ |
| deathPlace | Abrittus NERFINISHED ⓘ |
| deathRegion | Moesia Inferior NERFINISHED ⓘ |
| diedFighting | Goths NERFINISHED ⓘ |
| dynasty | Crisis of the Third Century emperors ⓘ |
| era | Crisis of the Third Century NERFINISHED ⓘ |
| fullName | Gaius Messius Quintus Decius NERFINISHED ⓘ |
| heldOffice |
consul of the Roman Empire
ⓘ
governor of Germania Inferior ⓘ governor of Moesia ⓘ urban prefect of Rome ⓘ |
| honorific | Traianus NERFINISHED ⓘ |
| issuedEdict | Decian persecution edict NERFINISHED ⓘ |
| notableFor |
attempts to restore traditional Roman religion
ⓘ
empire-wide persecution of Christians ⓘ |
| opposedReligion | Christianity NERFINISHED ⓘ |
| policyDetail |
ordered certificates (libelli) to prove sacrifice to the gods
ⓘ
required all inhabitants of the empire to perform sacrifices to the Roman gods ⓘ |
| predecessor | Philip the Arab NERFINISHED ⓘ |
| regnalName | Gaius Messius Quintus Traianus Decius NERFINISHED ⓘ |
| reignEnd | 251 ⓘ |
| reignStart | 249 ⓘ |
| religion | traditional Roman polytheism ⓘ |
| religiousPolicy |
promotion of traditional Roman cults
ⓘ
suppression of Christianity ⓘ |
| soughtToEmulate | Trajan NERFINISHED ⓘ |
| spouse | Herennia Etruscilla NERFINISHED ⓘ |
| successor | Trebonianus Gallus NERFINISHED ⓘ |
| title |
Augustus
NERFINISHED
ⓘ
Pontifex Maximus NERFINISHED ⓘ |
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: Emperor Decius Description of subject: Emperor Decius was a third-century Roman emperor best known for his empire-wide persecution of Christians and efforts to restore traditional Roman religion.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Trajan Decius
this entity surface form:
Gaius Messius Quintus Traianus Decius
this entity surface form:
Trajan Decius
this entity surface form:
Trajan Decius