Reign of Macrinus
E775053
The Reign of Macrinus was a brief period in Roman imperial history (AD 217–218) when the praetorian prefect Macrinus became emperor following Caracalla’s death, marked by military discontent and his eventual overthrow.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Reign of Macrinus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9054905 — 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: Reign of Macrinus Context triple: [Assassination of Caracalla, precedes, Reign of Macrinus]
-
A.
Year of the Five Emperors
The Year of the Five Emperors was a tumultuous period of civil war and rapid imperial succession in 193 AD that ultimately paved the way for the rise of the Severan dynasty in the Roman Empire.
-
B.
Year of the Four Emperors
The Year of the Four Emperors was a tumultuous period of civil war in 69 AD during which four different men successively claimed the Roman imperial throne before stability was restored under Vespasian.
-
C.
Year of the Six Emperors
The Year of the Six Emperors was a tumultuous period in 238 AD when rapid successions and overlapping claims to the Roman imperial throne led to extreme political instability in the empire.
-
D.
Severan dynasty
The Severan dynasty was a Roman imperial family that ruled from 193 to 235 CE, overseeing a period of military expansion, legal reform, and monumental building across the empire.
-
E.
Decian persecution
The Decian persecution was a mid-3rd-century Roman imperial campaign under Emperor Decius that sought to enforce universal pagan sacrifice and led to widespread, systematic persecution of Christians.
- 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: Reign of Macrinus Target entity description: The Reign of Macrinus was a brief period in Roman imperial history (AD 217–218) when the praetorian prefect Macrinus became emperor following Caracalla’s death, marked by military discontent and his eventual overthrow.
-
A.
Year of the Five Emperors
The Year of the Five Emperors was a tumultuous period of civil war and rapid imperial succession in 193 AD that ultimately paved the way for the rise of the Severan dynasty in the Roman Empire.
-
B.
Year of the Four Emperors
The Year of the Four Emperors was a tumultuous period of civil war in 69 AD during which four different men successively claimed the Roman imperial throne before stability was restored under Vespasian.
-
C.
Year of the Six Emperors
The Year of the Six Emperors was a tumultuous period in 238 AD when rapid successions and overlapping claims to the Roman imperial throne led to extreme political instability in the empire.
-
D.
Severan dynasty
The Severan dynasty was a Roman imperial family that ruled from 193 to 235 CE, overseeing a period of military expansion, legal reform, and monumental building across the empire.
-
E.
Decian persecution
The Decian persecution was a mid-3rd-century Roman imperial campaign under Emperor Decius that sought to enforce universal pagan sacrifice and led to widespread, systematic persecution of Christians.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historical period
ⓘ
period of Roman imperial history ⓘ |
| capital | Rome NERFINISHED ⓘ |
| causeOfEnd | overthrow of Macrinus ⓘ |
| characterizedBy |
military discontent
ⓘ
political instability ⓘ short duration ⓘ |
| chronologicalPosition | early 3rd century AD ⓘ |
| coinage |
Roman imperial coins depicting Diadumenian
ⓘ
Roman imperial coins depicting Macrinus ⓘ |
| conflictWith | Parthian Empire NERFINISHED ⓘ |
| country | Roman Empire ⓘ |
| dynasty | Severan dynasty NERFINISHED ⓘ |
| endDate | 218 ⓘ |
| endedBy |
capture and execution of Macrinus
ⓘ
defeat at the Battle of Antioch ⓘ |
| followed | Reign of Caracalla ⓘ |
| followedBy | Reign of Elagabalus NERFINISHED ⓘ |
| governmentForm | autocracy ⓘ |
| hasCoEmperor | Diadumenian NERFINISHED ⓘ |
| hasEmperor | Macrinus NERFINISHED ⓘ |
| hasEvent |
Battle of Antioch (218)
NERFINISHED
ⓘ
accession of Macrinus after Caracalla’s assassination ⓘ elevation of Diadumenian as co-emperor ⓘ |
| historicalSource |
Cassius Dio’s Roman History
NERFINISHED
ⓘ
Herodian’s History of the Roman Empire NERFINISHED ⓘ |
| legalActions | issuance of imperial rescripts ⓘ |
| legitimacyBasis | acclamation by the army ⓘ |
| legitimacyIssue |
lack of senatorial background
ⓘ
not related to Severan family by blood ⓘ |
| locationOfKeyEvents |
Antioch
NERFINISHED
ⓘ
Syria NERFINISHED ⓘ |
| militaryPolicy | attempted to reduce military pay ⓘ |
| militaryPolicyConsequence | discontent among soldiers ⓘ |
| notableAspect | first equestrian emperor of Rome ⓘ |
| notableBattle | Battle of Nisibis (217) NERFINISHED ⓘ |
| opposedBy | Severan loyalists ⓘ |
| partOf | Crisis tendencies of the 3rd century ⓘ |
| precededByEmperor | Caracalla NERFINISHED ⓘ |
| religion | Roman paganism ⓘ |
| ruler | Macrinus NERFINISHED ⓘ |
| startDate | 217 ⓘ |
| succeededByEmperor | Elagabalus NERFINISHED ⓘ |
| successionType | military acclamation rather than dynastic succession ⓘ |
| supportedBy | Praetorian Guard NERFINISHED ⓘ |
| usurpedBy | Elagabalus 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: Reign of Macrinus Description of subject: The Reign of Macrinus was a brief period in Roman imperial history (AD 217–218) when the praetorian prefect Macrinus became emperor following Caracalla’s death, marked by military discontent and his eventual overthrow.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.