Battle of the Milvian Bridge
E6771
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Battle of the Milvian Bridge canonical | 21 |
| Battle at the Milvian Bridge | 1 |
| Battle of the Milvian Bridge (context of Maxentius’s reign) | 1 |
| Battle of the Milvian Bridge, 28 October 312 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T62935 — 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 Milvian Bridge Context triple: [Chi-Rho, linkedToEvent, Battle of the Milvian Bridge]
-
A.
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.
-
B.
Battle of Hel
The Battle of Hel was a World War II engagement in which Polish forces defended the Hel Peninsula against German attacks during the 1939 campaign in Poland.
-
C.
Battle of El Alamein
The Battle of El Alamein was a pivotal 1942 North African campaign clash between Allied and Axis forces that marked a major turning point in World War II by halting the German advance toward Egypt and the Suez Canal.
-
D.
Battle of Monte Cassino
The Battle of Monte Cassino was a series of brutal Allied assaults in 1944 against German defensive positions in central Italy, aimed at breaking through to Rome and marked by heavy casualties and the controversial destruction of the historic abbey.
-
E.
Battle of Stalingrad
The Battle of Stalingrad was a pivotal and brutal Eastern Front confrontation between Nazi Germany and the Soviet Union, whose Soviet victory marked a major turning point in World War II.
- 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 Milvian Bridge Target entity description: 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.
-
A.
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.
-
B.
Battle of Hel
The Battle of Hel was a World War II engagement in which Polish forces defended the Hel Peninsula against German attacks during the 1939 campaign in Poland.
-
C.
Battle of El Alamein
The Battle of El Alamein was a pivotal 1942 North African campaign clash between Allied and Axis forces that marked a major turning point in World War II by halting the German advance toward Egypt and the Suez Canal.
-
D.
Battle of Monte Cassino
The Battle of Monte Cassino was a series of brutal Allied assaults in 1944 against German defensive positions in central Italy, aimed at breaking through to Rome and marked by heavy casualties and the controversial destruction of the historic abbey.
-
E.
Battle of Stalingrad
The Battle of Stalingrad was a pivotal and brutal Eastern Front confrontation between Nazi Germany and the Soviet Union, whose Soviet victory marked a major turning point in World War II.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military conflict ⓘ |
| alsoKnownAs |
Battle of the Milvian Bridge
ⓘ
surface form:
Battle at the Milvian Bridge
|
| associatedWith |
Chi-Rho symbol
ⓘ
In hoc signo vinces ⓘ vision of the cross by Constantine ⓘ |
| belligerentLeader |
Roman emperor Constantine the Great
ⓘ
surface form:
Constantine I
Maxentius ⓘ |
| category |
4th-century battle
ⓘ
Battle involving the Roman Empire ⓘ |
| combatant |
Roman emperor Constantine the Great
ⓘ
surface form:
Constantine I
Maxentius ⓘ |
| commandedBy |
Roman emperor Constantine the Great
ⓘ
surface form:
Constantine I
Maxentius ⓘ |
| conflictOf | Roman civil wars ⓘ |
| date | 28 October 312 ⓘ |
| era | Late Antiquity ⓘ |
| followedBy |
Constantine’s entry into Rome
ⓘ
Edict of Milan ⓘ |
| historicalPeriod | reign of Constantine the Great ⓘ |
| involves |
Roman legions
ⓘ
cavalry forces ⓘ |
| locatedIn |
Italy
ⓘ
Western Roman Empire ⓘ |
| location |
Milvian Bridge
ⓘ
Tiber ⓘ
surface form:
Tiber River
near Rome ⓘ |
| memorializedIn |
Arch of Constantine
ⓘ
Christian historiography ⓘ |
| notableEvent | drowning of Maxentius in the Tiber ⓘ |
| outcome |
Constantine becomes sole ruler of the Western Roman Empire
ⓘ
death of Maxentius ⓘ |
| partOf |
Constantinian civil war
ⓘ
struggle for control of the Roman Empire ⓘ |
| politicalContext | Tetrarchic power struggles ⓘ |
| precededBy | Siege of Segusio ⓘ |
| religiousImpact | encouraged imperial favor toward Christianity ⓘ |
| result | decisive victory for Constantine I ⓘ |
| side |
forces of Constantine I
ⓘ
forces of Maxentius ⓘ |
| significance |
key step toward Christianization of the Roman Empire
ⓘ
turning point in Constantine’s rise to power ⓘ |
| source |
Eusebius of Caesarea
ⓘ
Lactantius ⓘ |
| tookPlaceNear |
Via Flaminia
ⓘ
northern approach to Rome ⓘ |
| year | 312 ⓘ |
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 Milvian Bridge Description of subject: 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.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chi-Rho
subject surface form:
Constantine the Great
this entity surface form:
Battle at the Milvian Bridge
this entity surface form:
Battle of the Milvian Bridge, 28 October 312
Constantine the Great’s campaign against Maxentius in northern Italy
→
followedBy
→
Battle of the Milvian Bridge
ⓘ
subject surface form:
Circus of Maxentius
this entity surface form:
Battle of the Milvian Bridge (context of Maxentius’s reign)