Constantine the Great’s campaign against Maxentius in northern Italy

E235214

military campaign phase of civil war

Constantine the Great’s campaign against Maxentius in northern Italy was a decisive early phase of the civil war of 312 CE, marked by rapid advances and key victories that paved the way for Constantine’s triumph at the Battle of the Milvian Bridge.

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All labels observed (4)

Label	Occurrences
Constantine’s war against Maxentius	2
Constantine the Great’s campaign against Maxentius in northern Italy canonical	1
Constantine’s 312 campaign against Maxentius	1
Constantine’s Italian campaign	1

How this entity was disambiguated

This entity first appeared as the object of triple T2113263 — 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: Constantine the Great’s campaign against Maxentius in northern Italy
Context triple: [Siege of Segusio, partOf, Constantine the Great’s campaign against Maxentius in northern Italy]

A. 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.
B. Battle of the Frigidus in 394
The Battle of the Frigidus in 394 was a decisive late Roman civil war clash in which Emperor Theodosius I defeated the usurper Eugenius, leading to the brief reunification of the Roman Empire under a single ruler.
C. Battle of Adrianople (324)
The Battle of Adrianople (324) was a decisive clash in the Roman civil war in which Emperor Constantine I defeated his rival Licinius, paving the way for Constantine’s sole rule over the Roman Empire.
D. Vandalic War in North Africa
The Vandalic War in North Africa was a 6th-century Byzantine campaign under Emperor Justinian I that reconquered the Vandal Kingdom and restored imperial control over key western Mediterranean territories.
E. Battle of the Ticinus
The Battle of the Ticinus was an early cavalry engagement of the Second Punic War in 218 BC, where Hannibal defeated Roman forces shortly after crossing the Alps into Italy.
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: Constantine the Great’s campaign against Maxentius in northern Italy
Target entity description: Constantine the Great’s campaign against Maxentius in northern Italy was a decisive early phase of the civil war of 312 CE, marked by rapid advances and key victories that paved the way for Constantine’s triumph at the Battle of the Milvian Bridge.

A. 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.
B. Battle of the Frigidus in 394
The Battle of the Frigidus in 394 was a decisive late Roman civil war clash in which Emperor Theodosius I defeated the usurper Eugenius, leading to the brief reunification of the Roman Empire under a single ruler.
C. Battle of Adrianople (324)
The Battle of Adrianople (324) was a decisive clash in the Roman civil war in which Emperor Constantine I defeated his rival Licinius, paving the way for Constantine’s sole rule over the Roman Empire.
D. Vandalic War in North Africa
The Vandalic War in North Africa was a 6th-century Byzantine campaign under Emperor Justinian I that reconquered the Vandal Kingdom and restored imperial control over key western Mediterranean territories.
E. Battle of the Ticinus
The Battle of the Ticinus was an early cavalry engagement of the Second Punic War in 218 BC, where Hannibal defeated Roman forces shortly after crossing the Alps into Italy.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	military campaign ⓘ phase of civil war ⓘ
associatedWith	Constantine’s eventual sole rule over the Roman Empire ⓘ rise of Constantine the Great ⓘ
commandedBy	Constantine I ⓘ surface form: Constantine the Great
conflictWith	Maxentius ⓘ
country	Roman Empire ⓘ
describedAs	decisive early phase of the civil war of 312 CE ⓘ rapid advance ⓘ
followedBy	Battle of the Milvian Bridge ⓘ Constantine’s advance into central Italy ⓘ
hasPart	Battle of Turin (312) ⓘ Battle of Verona (312) ⓘ Siege of Segusio ⓘ operations leading to the Battle of the Milvian Bridge ⓘ
hasParticipant	Constantine I ⓘ surface form: Constantine the Great Maxentius ⓘ
historicalContext	crisis of the Tetrarchy ⓘ
historicalPeriod	Tetrarchic civil wars ⓘ
involves	cavalry operations ⓘ field battles ⓘ siege warfare ⓘ
ledTo	Constantine’s entry into Rome as victor in 312 ⓘ political consolidation of Constantine in the Western Roman Empire ⓘ
location	Cisalpine Gaul ⓘ Northern Italy ⓘ surface form: northern Italy
militaryObjective	defeat of Maxentian forces in northern Italy ⓘ opening the route to Rome ⓘ securing the Alpine passes into Italy ⓘ
notableBattle	Battle of Turin (312) ⓘ Battle of Verona (312) ⓘ
notableEngagement	Siege of Segusio ⓘ
opponentTitle	Maxentius ⓘ surface form: usurper Maxentius
opposedBy	forces loyal to Maxentius ⓘ
partOf	civil war of 312 CE between Constantine and Maxentius ⓘ
precededBy	Constantine’s preparations and march from Gaul ⓘ
primarySource	Life of Constantine ⓘ surface form: Eusebius of Caesarea’s Vita Constantini Lactantius, De Mortibus Persecutorum ⓘ surface form: Lactantius’s De Mortibus Persecutorum
result	Constantine’s control of northern Italy ⓘ Constantinian victory ⓘ collapse of Maxentian defenses in northern Italy ⓘ
startTime	312 ⓘ
strategicEffect	opened road to Rome for Constantine ⓘ weakened Maxentius’s military position ⓘ
temporalContext	early 312 CE ⓘ
year	312 ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Siege of Segusio → partOf → Constantine the Great’s campaign against Maxentius in northern Italy ⓘ

Constantine’s crossing of the Alps into Italy → partOf → Constantine the Great’s campaign against Maxentius in northern Italy ⓘ

this entity surface form: Constantine’s 312 campaign against Maxentius

Constantine’s crossing of the Alps into Italy → conflict → Constantine the Great’s campaign against Maxentius in northern Italy ⓘ

this entity surface form: Constantine’s war against Maxentius

Battle of Turin (312) → conflictIn → Constantine the Great’s campaign against Maxentius in northern Italy ⓘ

this entity surface form: Constantine’s Italian campaign

Battle of Turin (312) → partOf → Constantine the Great’s campaign against Maxentius in northern Italy ⓘ