Usurpation of Procopius
E766412
The Usurpation of Procopius was a brief 4th-century revolt against Emperor Valens, led by the usurper Procopius in Constantinople in an attempt to seize control of the Eastern Roman Empire.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Forces of Procopius | 1 |
| Usurpation of Procopius canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8917600 — 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: Usurpation of Procopius Context triple: [Valens dynasty, notableEventDuringRule, Usurpation of Procopius]
-
A.
Procopius’s "Secret History"
Procopius’s "Secret History" is a scandal-filled, behind-the-scenes account of Emperor Justinian’s court that viciously attacks the character and private lives of Justinian, Empress Theodora, and their associates.
-
B.
Rise and fall of Elagabalus
The rise and fall of Elagabalus refers to the brief, tumultuous reign and dramatic downfall of the teenage Roman emperor Elagabalus, whose controversial religious reforms and eccentric behavior destabilized the Severan dynasty.
-
C.
The Favorites of the Emperor Honorius
The Favorites of the Emperor Honorius is a 19th-century painting by John William Waterhouse depicting the Roman emperor neglecting affairs of state while feeding his pet birds.
-
D.
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.
-
E.
The Four Disgracers
The Four Disgracers is a renowned series of Mannerist engravings by Dutch artist Hendrick Goltzius depicting mythological figures punished for their hubris.
- 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: Usurpation of Procopius Target entity description: The Usurpation of Procopius was a brief 4th-century revolt against Emperor Valens, led by the usurper Procopius in Constantinople in an attempt to seize control of the Eastern Roman Empire.
-
A.
Procopius’s "Secret History"
Procopius’s "Secret History" is a scandal-filled, behind-the-scenes account of Emperor Justinian’s court that viciously attacks the character and private lives of Justinian, Empress Theodora, and their associates.
-
B.
Rise and fall of Elagabalus
The rise and fall of Elagabalus refers to the brief, tumultuous reign and dramatic downfall of the teenage Roman emperor Elagabalus, whose controversial religious reforms and eccentric behavior destabilized the Severan dynasty.
-
C.
The Favorites of the Emperor Honorius
The Favorites of the Emperor Honorius is a 19th-century painting by John William Waterhouse depicting the Roman emperor neglecting affairs of state while feeding his pet birds.
-
D.
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.
-
E.
The Four Disgracers
The Four Disgracers is a renowned series of Mannerist engravings by Dutch artist Hendrick Goltzius depicting mythological figures punished for their hubris.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
4th-century conflict
ⓘ
Roman imperial usurpation ⓘ revolt ⓘ usurpation ⓘ |
| chronology |
occured during the reign of Valens
ⓘ
occured shortly after the accession of Valens ⓘ |
| conflictWith | reign of Emperor Valens ⓘ |
| describedBySource |
Ammianus Marcellinus
ⓘ
later Byzantine historians ⓘ |
| endTime | 366 ⓘ |
| hasCause |
attempt to seize control of the Eastern Roman Empire
ⓘ
dynastic claims linked to the Constantinian dynasty ⓘ |
| hasContext |
division of the Roman Empire between Valentinian I and Valens
ⓘ
political instability after the death of Emperor Jovian ⓘ |
| hasEffect |
reassertion of Valens’s control over the Eastern Roman Empire
ⓘ
temporary challenge to the authority of Emperor Valens ⓘ |
| hasParticipant |
Eastern Roman army units
ⓘ
imperial forces loyal to Valens ⓘ supporters of Procopius in Constantinople ⓘ |
| leader | Procopius ⓘ |
| location |
Constantinople
ⓘ
linked to:
Constantinople (probable)
Eastern Roman Empire ⓘ
linked to:
Byzantine Empire
|
| militaryAspect | involved defections of some Eastern Roman troops ⓘ |
| opponent |
Eastern Roman Empire
ⓘ
linked to:
Byzantine Empire
Valens ⓘ |
| partOf |
history of the Eastern Roman Empire
ⓘ
history of the Roman Empire ⓘ |
| politicalAspect | involved attempts to gain legitimacy through association with Constantine’s family ⓘ |
| relatedTo |
Constantinian dynasty
ⓘ
reign of Valens ⓘ usurpations in the Late Roman Empire ⓘ |
| result |
defeat of Procopius
ⓘ
execution of Procopius ⓘ |
| significance |
example of a failed Constantinople-based usurpation
ⓘ
illustrates vulnerability of imperial succession in the 4th century ⓘ |
| startTime | 365 ⓘ |
| temporalContext |
4th century AD
ⓘ
Late Antiquity ⓘ |
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: Usurpation of Procopius Description of subject: The Usurpation of Procopius was a brief 4th-century revolt against Emperor Valens, led by the usurper Procopius in Constantinople in an attempt to seize control of the Eastern Roman Empire.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Usurpation of Procopius