Battle of the Rubicon
E212505
The Battle of the Rubicon refers to Julius Caesar’s decisive crossing of the Rubicon River in 49 BCE, an act of insurrection that triggered the Roman civil war and symbolized the point of no return.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Crossing of the Rubicon | 4 |
| Battle of the Rubicon canonical | 1 |
| Caesar's crossing of the Rubicon | 1 |
| Caesar’s crossing of the Rubicon | 1 |
| Crossing of the Rubicon by Julius Caesar | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1900353 — 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: Battle of the Rubicon Context triple: [Caesar’s civil war, hasKeyBattle, Battle of the Rubicon]
-
A.
Battle of Vercellae
The Battle of Vercellae was a decisive 101 BC clash in northern Italy where Roman forces under Gaius Marius annihilated the Cimbri, ending the Cimbrian War and cementing Marius’s military prestige.
-
B.
Battle of Actium
The Battle of Actium was the decisive 31 BC naval confrontation in which Octavian defeated the combined forces of Mark Antony and Cleopatra, paving the way for his sole rule and the emergence of the Roman Empire.
-
C.
Sulla’s First Civil War
Sulla’s First Civil War was a Roman internal conflict (88–87 BCE) in which the general Lucius Cornelius Sulla marched on Rome and fought his political rivals, marking a key step in the Republic’s collapse into recurring civil wars.
-
D.
Battle of the Milvian Bridge
The Battle of the Milvian Bridge (312 CE) was a decisive clash between Constantine and Maxentius near Rome, famous for Constantine’s reported vision that led to his adoption of the Christian symbol and helped pave the way for the Roman Empire’s Christianization.
-
E.
Battle of Beneventum
The Battle of Beneventum was a decisive clash in 275 BC between Roman forces and the army of Pyrrhus of Epirus that effectively ended major Greek resistance in southern Italy and paved the way for Roman dominance over Magna Graecia.
- 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: Battle of the Rubicon Target entity description: The Battle of the Rubicon refers to Julius Caesar’s decisive crossing of the Rubicon River in 49 BCE, an act of insurrection that triggered the Roman civil war and symbolized the point of no return.
-
A.
Battle of Vercellae
The Battle of Vercellae was a decisive 101 BC clash in northern Italy where Roman forces under Gaius Marius annihilated the Cimbri, ending the Cimbrian War and cementing Marius’s military prestige.
-
B.
Battle of Actium
The Battle of Actium was the decisive 31 BC naval confrontation in which Octavian defeated the combined forces of Mark Antony and Cleopatra, paving the way for his sole rule and the emergence of the Roman Empire.
-
C.
Sulla’s First Civil War
Sulla’s First Civil War was a Roman internal conflict (88–87 BCE) in which the general Lucius Cornelius Sulla marched on Rome and fought his political rivals, marking a key step in the Republic’s collapse into recurring civil wars.
-
D.
Battle of the Milvian Bridge
The Battle of the Milvian Bridge (312 CE) was a decisive clash between Constantine and Maxentius near Rome, famous for Constantine’s reported vision that led to his adoption of the Christian symbol and helped pave the way for the Roman Empire’s Christianization.
-
E.
Battle of Beneventum
The Battle of Beneventum was a decisive clash in 275 BC between Roman forces and the army of Pyrrhus of Epirus that effectively ended major Greek resistance in southern Italy and paved the way for Roman dominance over Magna Graecia.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
historical event
ⓘ
military campaign incident ⓘ |
| hasAlternativeName |
Battle of the Rubicon
ⓘ
surface form:
Crossing of the Rubicon
|
| hasAssociatedPhrase |
alea iacta est
ⓘ
the die is cast ⓘ |
| hasCause |
Senate order that Caesar disband his army and return to Rome as a private citizen
ⓘ
conflict between Julius Caesar and the Roman Senate ⓘ political rivalry between Julius Caesar and Pompey ⓘ |
| hasCulturalLegacy | modern idiom “to cross the Rubicon” meaning to pass a point of no return ⓘ |
| hasEffect |
beginning of the Roman civil war of 49–45 BCE
ⓘ
collapse of the Roman Republic’s constitutional order ⓘ long‑term transition from Roman Republic to Roman Empire ⓘ outbreak of Caesar’s Civil War ⓘ rise of Julius Caesar as sole ruler of Rome ⓘ |
| hasFollowedBy |
Pharsalus
ⓘ
surface form:
Battle of Pharsalus
Caesar’s civil war ⓘ
surface form:
Caesar’s march on Rome
dictatorship of Julius Caesar ⓘ |
| hasHistoricalRegion | Roman Republic ⓘ |
| hasLegalContext | violation of Roman law forbidding a general to lead a legion across the pomerium or into Italy without Senate approval ⓘ |
| hasLocation |
Cisalpine Gaul
ⓘ
Rubicon River ⓘ Northern Italy ⓘ
surface form:
northern Italy
|
| hasMainParticipant |
legion XIII Gemina
ⓘ
surface form:
Caesar’s 13th Legion Gemina
Gaius Julius Caesar ⓘ Pompey the Great ⓘ Roman Senate ⓘ |
| hasMilitaryAspect | unauthorized movement of a Roman legion into Italy ⓘ |
| hasOpposingSide |
optimates
ⓘ
surface form:
Optimates faction in the Roman Senate
Pompey’s senatorial coalition ⓘ |
| hasOutcome |
Caesar advances toward Rome with his army
ⓘ
flight of many senators and Pompey from Rome ⓘ |
| hasPoliticalAspect |
challenge to senatorial authority
ⓘ
escalation of power struggle between populares and optimates ⓘ |
| hasPrecededBy |
Caesar’s proconsulship in Gaul
ⓘ
end of the First Triumvirate ⓘ |
| hasRelatedConcept |
Roman civil wars
ⓘ
end of the Roman Republic ⓘ |
| hasSymbolicMeaning |
irrevocable decision
ⓘ
point of no return ⓘ |
| hasTime |
49 BCE
ⓘ
January 49 BCE ⓘ |
| hasUncertainDetail | exact location of the ancient Rubicon River is debated by historians ⓘ |
| isDescribedIn |
Commentarii de Bello Civili
ⓘ
surface form:
Commentarii de Bello Civili by Julius Caesar
Life of Julius Caesar ⓘ
surface form:
Plutarch’s Life of Caesar
De vita Caesarum ⓘ
surface form:
Suetonius’ The Twelve Caesars
|
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: Battle of the Rubicon Description of subject: The Battle of the Rubicon refers to Julius Caesar’s decisive crossing of the Rubicon River in 49 BCE, an act of insurrection that triggered the Roman civil war and symbolized the point of no return.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Crossing of the Rubicon
this entity surface form:
Caesar’s crossing of the Rubicon
this entity surface form:
Crossing of the Rubicon
this entity surface form:
Crossing of the Rubicon
this entity surface form:
Caesar's crossing of the Rubicon
this entity surface form:
Crossing of the Rubicon
this entity surface form:
Crossing of the Rubicon by Julius Caesar