Galerius
E39237
Galerius was a Roman emperor of the late 3rd and early 4th centuries CE, best known for his role in the Tetrarchy and for intensifying the persecution of Christians in the Eastern Roman Empire.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T285042 — 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: Galerius Context triple: [Diocletian's Tetrarchy, hasEmperor, Galerius]
-
A.
Diocletian
Diocletian was a Roman emperor best known for stabilizing and reorganizing the empire through sweeping administrative reforms and establishing the Tetrarchy system of rule.
-
B.
Maximian
Maximian was a Roman emperor who ruled as co-augustus alongside Diocletian during the late 3rd and early 4th centuries, helping to stabilize and reform the empire.
-
C.
Flavius
Flavius is a common Roman praenomen and family name frequently borne by late Roman emperors and officials, including Romulus Augustulus.
-
D.
Constantine
Constantine is a historic northeastern Algerian city famed for its dramatic bridges spanning deep gorges and its role as a major cultural and economic center.
-
E.
Julian
Julian is a masculine given name of Latin origin, commonly used in many English-speaking and European countries.
- 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: Galerius Target entity description: Galerius was a Roman emperor of the late 3rd and early 4th centuries CE, best known for his role in the Tetrarchy and for intensifying the persecution of Christians in the Eastern Roman Empire.
-
A.
Diocletian
Diocletian was a Roman emperor best known for stabilizing and reorganizing the empire through sweeping administrative reforms and establishing the Tetrarchy system of rule.
-
B.
Maximian
Maximian was a Roman emperor who ruled as co-augustus alongside Diocletian during the late 3rd and early 4th centuries, helping to stabilize and reform the empire.
-
C.
Flavius
Flavius is a common Roman praenomen and family name frequently borne by late Roman emperors and officials, including Romulus Augustulus.
-
D.
Constantine
Constantine is a historic northeastern Algerian city famed for its dramatic bridges spanning deep gorges and its role as a major cultural and economic center.
-
E.
Julian
Julian is a masculine given name of Latin origin, commonly used in many English-speaking and European countries.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
Roman emperor
ⓘ
historical figure ⓘ tetrarch ⓘ |
| appointedCaesarBy | Diocletian ⓘ |
| birthDate | c. 250 CE ⓘ |
| birthPlace |
Dacia Ripensis
ⓘ
near Serdica ⓘ |
| built |
Arch of Galerius in Thessalonica
ⓘ
Rotunda of Galerius in Thessalonica ⓘ palace complex at Felix Romuliana ⓘ |
| burialPlace | Gamzigrad (Felix Romuliana) ⓘ |
| capitalOrMainResidence |
Thessalonica
ⓘ
linked to:
Salonika
|
| conflictWith |
Constantine the Great
ⓘ
linked to:
Constantinus Magnus
Maxentius ⓘ |
| coRulerWith |
Constantius Chlorus
ⓘ
Diocletian ⓘ Licinius ⓘ Maximian ⓘ Maximinus Daia ⓘ Severus II ⓘ |
| deathDate | 311 CE ⓘ |
| deathPlace | Serdica ⓘ |
| dynasty | Constantinian-era Tetrarchic rulers ⓘ |
| edictDate | 30 April 311 ⓘ |
| fatherInLaw | Diocletian ⓘ |
| issued |
Edict of Toleration in Nicomedia
ⓘ
linked to:
Edict of Toleration by Galerius
|
| knownFor |
Edict of Toleration of 311
ⓘ
linked to:
Edict of Toleration by Galerius
persecution of Christians ⓘ role in the Tetrarchy ⓘ |
| militaryCampaign |
campaigns against the Persians
ⓘ
campaigns along the Danube frontier ⓘ wars against the Sasanian Empire ⓘ |
| militaryRank |
officer
ⓘ
soldier ⓘ |
| mother | Romula ⓘ |
| name |
Gaius Galerius Valerius Maximianus
ⓘ
linked to:
Galerius
|
| policyOnChristianity |
initially severe persecution
ⓘ
later legalization of Christianity ⓘ |
| positionHeld |
Augustus of the Eastern Roman Empire
ⓘ
Caesar of the Eastern Roman Empire ⓘ |
| predecessorAsEasternAugustus | Diocletian ⓘ |
| regionRuled |
Balkan provinces of the Roman Empire
ⓘ
Eastern Roman Empire ⓘ
linked to:
Byzantine Empire
|
| reignEnd | 311 CE ⓘ |
| reignStart | 293 CE ⓘ |
| religion | traditional Roman polytheism ⓘ |
| spouse | Galeria Valeria ⓘ |
| successorAsEasternAugustus | Licinius ⓘ |
| tetrarchyMemberOf |
First Tetrarchy
ⓘ
linked to:
Diocletian's Tetrarchy
Second Tetrarchy ⓘ
linked to:
Diocletian's Tetrarchy
|
| title |
Augustus
ⓘ
Caesar ⓘ |
| treaty | peace with Persia after victory over Narseh ⓘ |
| victory | defeat of Narseh of Persia ⓘ |
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: Galerius Description of subject: Galerius was a Roman emperor of the late 3rd and early 4th centuries CE, best known for his role in the Tetrarchy and for intensifying the persecution of Christians in the Eastern Roman Empire.
Referenced by (82)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Roman emperor Constantine the Great
linked to: Galerius
linked to: Galerius
linked to: Galerius
linked to: Galerius
linked to: Galerius
linked to: Galerius
linked to: Galerius
linked to: Galerius
linked to: Galerius