Cassius Dio
E65087
Cassius Dio was a Roman statesman and historian best known for his extensive work "Roman History," which chronicles Rome from its legendary origins through the early 3rd century CE.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Cassius Dio canonical | 49 |
| Cassius Dio (indirectly via accounts of Donations and Antony’s children) | 1 |
| Cassius Dio's Roman History | 1 |
| Cassius Dio, Roman History | 1 |
| Dio Cassius, Roman History | 1 |
| Lucius Cassius Dio | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T518377 — 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: Cassius Dio Context triple: [Caligula, historicalSource, Cassius Dio]
-
A.
Suetonius
Suetonius was a Roman historian and biographer best known for his work "The Twelve Caesars," which provides detailed accounts of the lives of Rome’s early emperors.
-
B.
Tacitus
Tacitus was a prominent Roman historian and senator best known for his detailed and critical accounts of the early Roman Empire, including references to figures such as Pontius Pilate and early Christians.
-
C.
Livy
Livy was the affectionate nickname of Olivia Langdon Clemens, the wife of American author Mark Twain and an important influence on his life and work.
-
D.
Livy
Livy was a renowned Roman historian best known for his monumental work "Ab Urbe Condita," which chronicled the history of Rome from its legendary founding through his own time.
-
E.
Lactantius
Lactantius was an early 4th-century Christian author and apologist, best known for his work "Divine Institutes" and for serving as an advisor and tutor in the court of Emperor Constantine.
- 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: Cassius Dio Target entity description: Cassius Dio was a Roman statesman and historian best known for his extensive work "Roman History," which chronicles Rome from its legendary origins through the early 3rd century CE.
-
A.
Suetonius
Suetonius was a Roman historian and biographer best known for his work "The Twelve Caesars," which provides detailed accounts of the lives of Rome’s early emperors.
-
B.
Tacitus
Tacitus was a prominent Roman historian and senator best known for his detailed and critical accounts of the early Roman Empire, including references to figures such as Pontius Pilate and early Christians.
-
C.
Livy
Livy was the affectionate nickname of Olivia Langdon Clemens, the wife of American author Mark Twain and an important influence on his life and work.
-
D.
Livy
Livy was a renowned Roman historian best known for his monumental work "Ab Urbe Condita," which chronicled the history of Rome from its legendary founding through his own time.
-
E.
Lactantius
Lactantius was an early 4th-century Christian author and apologist, best known for his work "Divine Institutes" and for serving as an advisor and tutor in the court of Emperor Constantine.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
Roman senator
ⓘ
ancient Greek-language historian ⓘ ancient Roman historian ⓘ consul of the Roman Empire ⓘ |
| approximateBirthCentury | 2nd century ⓘ |
| approximateDeathCentury | 3rd century ⓘ |
| birthEmpire | Roman Empire ⓘ |
| birthPlace |
Nicaea
ⓘ
surface form:
Nicaea in Bithynia
|
| birthRegion |
Asia Minor
ⓘ
Bithynia ⓘ |
| citizenship | Roman citizen ⓘ |
| coConsul |
Severus Alexander
ⓘ
surface form:
Alexander Severus
|
| ethnicOrigin | Greek ⓘ |
| father | Cassius Apronianus ⓘ |
| fatherOccupation | Roman senator ⓘ |
| fullName |
Cassius Dio
self-linksurface differs
ⓘ
surface form:
Lucius Cassius Dio
Dio Cassius ⓘ
surface form:
Lucius Cassius Dio Cocceianus
|
| genre | historiography ⓘ |
| heldOffice |
ordinary consul
ⓘ
suffect consul ⓘ |
| influencedBy |
Polybius
ⓘ
Thucydides ⓘ |
| knownFor |
Roman Antiquity
ⓘ
surface form:
Roman History
|
| language | Ancient Greek ⓘ |
| mainWorkGreekTitle |
Historia Romana
ⓘ
surface form:
Ῥωμαϊκὴ ἱστορία
|
| mainWorkLatinTitle | Historia Romana ⓘ |
| mainWorkTitle |
Historia Romana
ⓘ
surface form:
Roman History
|
| name | Cassius Dio self-link ⓘ |
| notableFor | senatorial perspective on Roman history ⓘ |
| numberOfBooksInMainWork | 80 ⓘ |
| occupation |
administrator
ⓘ
consul ⓘ historian ⓘ senator ⓘ |
| regionOfActivity |
Bithynia
ⓘ
Rome ⓘ |
| servedAsConsulUnder |
Septimius Severus
ⓘ
Severan dynasty ⓘ |
| servedAsOrdinaryConsulInYear | 229 ⓘ |
| servedUnderEmperor |
Caracalla
ⓘ
Commodus ⓘ Elagabalus ⓘ Septimius Severus ⓘ Severus Alexander ⓘ |
| sourceFor |
history of the early Roman Empire
ⓘ
history of the late Roman Republic ⓘ reign of Augustus ⓘ reigns of the Severan emperors ⓘ |
| subjectOfWriting | history of Rome ⓘ |
| workLanguage | Ancient Greek ⓘ |
| wroteAboutPeriod |
Roman Empire
ⓘ
Roman Kingdom ⓘ Roman Republic ⓘ from the founding of Rome to AD 229 ⓘ |
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: Cassius Dio Description of subject: Cassius Dio was a Roman statesman and historian best known for his extensive work "Roman History," which chronicles Rome from its legendary origins through the early 3rd century CE.
Referenced by (54)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Batavi
this entity surface form:
Cassius Dio's Roman History
this entity surface form:
Lucius Cassius Dio
this entity surface form:
Cassius Dio, Roman History
this entity surface form:
Cassius Dio (indirectly via accounts of Donations and Antony’s children)
subject surface form:
Battle of Watling Street
this entity surface form:
Dio Cassius, Roman History