Roman envoy Gaius Popillius Laenas
E475127
Gaius Popillius Laenas was a Roman envoy best known for his decisive confrontation with the Seleucid king Antiochus IV, where he famously drew a circle in the sand to demand the king’s immediate withdrawal from Egypt.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roman envoy Gaius Popillius Laenas canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4856636 — 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: Roman envoy Gaius Popillius Laenas Context triple: [Sixth Syrian War, involved, Roman envoy Gaius Popillius Laenas]
-
A.
Gnaeus Egnatius
Gnaeus Egnatius was a Roman proconsul and road-builder best known for initiating the construction of the Via Egnatia across the Balkans in the 2nd century BCE.
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B.
Gaius Papius Mutilus
Gaius Papius Mutilus was a leading Samnite commander and prominent rebel leader during the Roman Social War (91–88 BC).
-
C.
Quintus Poppaedius Silo
Quintus Poppaedius Silo was a leading Marsic noble and military commander who became one of the principal leaders of the Italian allies against Rome during the Social War.
-
D.
Titus Ollius
Titus Ollius was a Roman of the early Imperial period, chiefly known as the father of the future empress Poppaea Sabina.
-
E.
Rufrius Crispinus
Rufrius Crispinus was a Roman equestrian and Praetorian Prefect under Emperor Claudius, later known chiefly as the first husband of the empress Poppaea Sabina.
- 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: Roman envoy Gaius Popillius Laenas Target entity description: Gaius Popillius Laenas was a Roman envoy best known for his decisive confrontation with the Seleucid king Antiochus IV, where he famously drew a circle in the sand to demand the king’s immediate withdrawal from Egypt.
-
A.
Gnaeus Egnatius
Gnaeus Egnatius was a Roman proconsul and road-builder best known for initiating the construction of the Via Egnatia across the Balkans in the 2nd century BCE.
-
B.
Gaius Papius Mutilus
Gaius Papius Mutilus was a leading Samnite commander and prominent rebel leader during the Roman Social War (91–88 BC).
-
C.
Quintus Poppaedius Silo
Quintus Poppaedius Silo was a leading Marsic noble and military commander who became one of the principal leaders of the Italian allies against Rome during the Social War.
-
D.
Titus Ollius
Titus Ollius was a Roman of the early Imperial period, chiefly known as the father of the future empress Poppaea Sabina.
-
E.
Rufrius Crispinus
Rufrius Crispinus was a Roman equestrian and Praetorian Prefect under Emperor Claudius, later known chiefly as the first husband of the empress Poppaea Sabina.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
Roman diplomat
ⓘ
Roman senator ⓘ human ⓘ |
| associatedWith |
Antiochus IV Epiphanes
ⓘ
Ptolemaic Egypt ⓘ
linked to:
Ptolemaic Kingdom
Ptolemy VI Philometor ⓘ Seleucid Empire ⓘ |
| circleInSand | demanded Antiochus IV decide before stepping out of the circle ⓘ |
| citizenship | Roman Republic ⓘ |
| countryRepresented | Roman Republic ⓘ |
| culture | ancient Roman culture ⓘ |
| diplomaticMission |
delivering a decree of the Roman Senate to Antiochus IV
ⓘ
ordering Antiochus IV to withdraw from Egypt ⓘ |
| diplomaticStyle | ultimatum backed by threat of Roman military force ⓘ |
| employedBy | Roman Senate ⓘ |
| era | Hellenistic period ⓘ |
| eventDateApproximation | 168 BC ⓘ |
| eventOutcome | Antiochus IV agreed to withdraw from Egypt ⓘ |
| historicalSignificance |
example of Roman use of diplomacy backed by military threat
ⓘ
symbol of Roman authority over Hellenistic kings ⓘ |
| knownFor |
confrontation with Antiochus IV Epiphanes
ⓘ
demanding Seleucid withdrawal from Egypt ⓘ drawing a circle in the sand around Antiochus IV ⓘ |
| language | Latin ⓘ |
| legacy | proverbial example of firm diplomatic ultimatum ⓘ |
| notableEvent |
Roman–Seleucid diplomatic confrontation in Egypt
ⓘ
linked to:
Seleucid invasion of Egypt
|
| occupation |
envoy
ⓘ
politician ⓘ |
| participatedIn | Roman intervention in the Sixth Syrian War ⓘ |
| placeOfActivity |
Egypt
ⓘ
Rome ⓘ |
| politicalEntityConstrained | Seleucid Empire ⓘ |
| politicalEntityProtected |
Ptolemaic Kingdom of Egypt
ⓘ
linked to:
Ptolemaic Kingdom
|
| powerDisplayed | Roman hegemony in the eastern Mediterranean ⓘ |
| role | Roman envoy to Antiochus IV Epiphanes ⓘ |
| sourceMention |
Livy
ⓘ
Polybius ⓘ
linked to:
Πολύβιος
|
| timePeriod | 2nd century BC ⓘ |
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: Roman envoy Gaius Popillius Laenas Description of subject: Gaius Popillius Laenas was a Roman envoy best known for his decisive confrontation with the Seleucid king Antiochus IV, where he famously drew a circle in the sand to demand the king’s immediate withdrawal from Egypt.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.