Roman conquest of southern Italy

E51794

historical event military campaign

The Roman conquest of southern Italy was a series of wars and campaigns in the 4th–3rd centuries BCE through which the Roman Republic subdued the Greek city-states and other peoples of the Italian south, paving the way for its dominance over the Mediterranean.

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All labels observed (5)

Label	Occurrences
Roman conquest of Italy	1
Roman conquest of Magna Graecia	1
Roman conquest of southern Italy canonical	1
Roman expansion in the Western Mediterranean	1
Tarentum brought under Roman control	1

How this entity was disambiguated

This entity first appeared as the object of triple T407886 — 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 conquest of southern Italy
Context triple: [Magna Graecia, significantEvent, Roman conquest of southern Italy]

A. Punic Wars
The Punic Wars were a series of three major conflicts between ancient Rome and Carthage that ultimately led to Roman dominance over the western Mediterranean.
B. Second Punic War
The Second Punic War was a major conflict between Carthage and the Roman Republic (218–201 BC), famed for Hannibal’s crossing of the Alps and Rome’s eventual emergence as the dominant Mediterranean power.
C. Siege of Segusio
The Siege of Segusio was a military engagement in 312 AD during Constantine the Great’s campaign against Maxentius in northern Italy, forming part of the civil war that culminated in the Battle of the Milvian Bridge.
D. Third Punic War
The Third Punic War was the final conflict between Rome and Carthage (149–146 BCE), culminating in Rome’s destruction of Carthage and its emergence as the dominant power in the western Mediterranean.
E. Italian campaign
The Italian campaign was a series of Allied military operations in Italy during World War II aimed at knocking Italy out of the Axis and opening a new front against Germany in Europe.
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 conquest of southern Italy
Target entity description: The Roman conquest of southern Italy was a series of wars and campaigns in the 4th–3rd centuries BCE through which the Roman Republic subdued the Greek city-states and other peoples of the Italian south, paving the way for its dominance over the Mediterranean.

A. Punic Wars
The Punic Wars were a series of three major conflicts between ancient Rome and Carthage that ultimately led to Roman dominance over the western Mediterranean.
B. Second Punic War
The Second Punic War was a major conflict between Carthage and the Roman Republic (218–201 BC), famed for Hannibal’s crossing of the Alps and Rome’s eventual emergence as the dominant Mediterranean power.
C. Siege of Segusio
The Siege of Segusio was a military engagement in 312 AD during Constantine the Great’s campaign against Maxentius in northern Italy, forming part of the civil war that culminated in the Battle of the Milvian Bridge.
D. Third Punic War
The Third Punic War was the final conflict between Rome and Carthage (149–146 BCE), culminating in Rome’s destruction of Carthage and its emergence as the dominant power in the western Mediterranean.
E. Italian campaign
The Italian campaign was a series of Allied military operations in Italy during World War II aimed at knocking Italy out of the Axis and opening a new front against Germany in Europe.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	historical event ⓘ military campaign ⓘ
appliesToJurisdiction	Italian Peninsula ⓘ surface form: Italian peninsula
cause	Roman desire for security in the Italian peninsula ⓘ conflicts with Samnite and Greek powers ⓘ
chronology	after Roman conquest of central Italy ⓘ before Roman wars outside Italy ⓘ
country	Roman Republic ⓘ
culturalConsequence	increased Roman contact with Greek culture ⓘ spread of Hellenic influence in Rome ⓘ
endTime	3rd century BCE ⓘ
followedBy	First Punic War ⓘ
hasPart	Pyrrhic War ⓘ Siege of Tarentum (272 BCE) ⓘ surface form: Roman campaigns against Tarentum Roman campaigns against the Bruttii ⓘ Roman–Lucanian conflicts ⓘ Roman–Samnite Wars ⓘ surface form: Samnite Wars Siege of Tarentum (272 BCE) ⓘ Roman–Samnite Wars ⓘ surface form: Third Samnite War
location	Magna Graecia ⓘ Southern Italy ⓘ surface form: southern Italy
mainBelligerent	Greek city-states of southern Italy ⓘ Roman Republic ⓘ coalitions of Italic peoples ⓘ
militaryStrategy	use of Roman legions and allied contingents ⓘ
opponent	Bruttii ⓘ Epirus ⓘ Magna Graecia ⓘ surface form: Greek city-states of Magna Graecia Lucanians ⓘ Pyrrhus of Epirus ⓘ Samnites ⓘ Tarentum ⓘ
partOf	Roman expansion in Italy ⓘ history of the Roman Republic ⓘ
politicalConsequence	establishment of Roman colonies in southern Italy ⓘ extension of Roman alliances with Italian communities ⓘ
relatedTo	Roman conquest of southern Italy self-linksurface differs ⓘ surface form: Roman conquest of Italy Roman–Greek relations ⓘ Roman–Samnite Wars ⓘ
result	Roman hegemony over southern Italy ⓘ integration of southern Italy into the Roman sphere ⓘ subjugation of Greek city-states in southern Italy ⓘ
significance	completed Roman control of the Italian peninsula south of the River Po ⓘ paved the way for Roman dominance over the Mediterranean ⓘ
startTime	4th century BCE ⓘ
timePeriod	Roman Republic ⓘ surface form: Middle Republic

How these facts were elicited

Referenced by (5)

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

Magna Graecia → significantEvent → Roman conquest of southern Italy ⓘ

Roman conquest of southern Italy → relatedTo → Roman conquest of southern Italy self-linksurface differs ⓘ

this entity surface form: Roman conquest of Italy

Romanization of Cisalpine Gaul → partOf → Roman conquest of southern Italy ⓘ

this entity surface form: Roman expansion in the Western Mediterranean

Siege of Tarentum (272 BCE) → partOf → Roman conquest of southern Italy ⓘ

this entity surface form: Roman conquest of Magna Graecia

Siege of Tarentum (272 BCE) → consequence → Roman conquest of southern Italy ⓘ

this entity surface form: Tarentum brought under Roman control

All labels observed (5)

How this entity was disambiguated Show

Statements (46)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited