Crisis of the Third Century

All labels observed (17)

Label	Occurrences
Crisis of the Third Century canonical	59
Crisis of the Third Century (early phase)	5
Crisis of the Second Century	2
Crisis of 235–238	1
Crisis of the Roman Empire	1
Crisis of the Roman Empire (late 2nd–early 3rd century)	1
Crisis of the Roman Empire in the 3rd century	1
Crisis of the Third Century (prelude)	1
Crisis of the Third Century conflicts	1
Crisis of the Third Century in the Roman Empire	1
Crisis of the Third Century precursor period	1
Roman Empire under Valerian	1
Roman imperial succession crisis of 238	1
Third Century Crisis (early phase)	1
Third century crisis	1
crisis of the third century (prelude)	1
reign of Gallienus	1

How this entity was disambiguated

This entity first appeared as the object of triple T62441 — 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: Crisis of the Third Century
Context triple: [Roman Empire, majorConflict, Crisis of the Third Century]

A. Diocletian's Tetrarchy
Diocletian's Tetrarchy was a late 3rd-century system of rule that divided imperial authority among four co-emperors to stabilize and more effectively govern the Roman Empire.
B. Sack of Rome 410 AD
The Sack of Rome in 410 AD was a pivotal moment in late antiquity when the Visigoths under King Alaric captured and looted the city, symbolizing the declining power of the Western Roman Empire.
C. 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.
D. Roman Empire
The Roman Empire was a vast and influential ancient civilization that dominated the Mediterranean world and much of Europe for centuries, profoundly shaping law, politics, culture, and religion in Western history.
E. Edict of Milan
The Edict of Milan was a 313 CE proclamation by the Roman emperors Constantine and Licinius that granted religious tolerance throughout the empire and effectively legalized Christianity.
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: Crisis of the Third Century
Target entity description: The Crisis of the Third Century was a period of severe political instability, military upheaval, economic collapse, and external invasion that nearly caused the disintegration of the Roman Empire between roughly 235 and 284 CE.

A. Diocletian's Tetrarchy
Diocletian's Tetrarchy was a late 3rd-century system of rule that divided imperial authority among four co-emperors to stabilize and more effectively govern the Roman Empire.
B. Sack of Rome 410 AD
The Sack of Rome in 410 AD was a pivotal moment in late antiquity when the Visigoths under King Alaric captured and looted the city, symbolizing the declining power of the Western Roman Empire.
C. 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.
D. Roman Empire
The Roman Empire was a vast and influential ancient civilization that dominated the Mediterranean world and much of Europe for centuries, profoundly shaping law, politics, culture, and religion in Western history.
E. Edict of Milan
The Edict of Milan was a 313 CE proclamation by the Roman emperors Constantine and Licinius that granted religious tolerance throughout the empire and effectively legalized Christianity.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	crisis ⓘ historical period ⓘ period of Roman history ⓘ
appliesToPart	Byzantine Empire ⓘ surface form: Eastern Roman Empire Western Roman Empire ⓘ
country	Roman Empire ⓘ
endCause	accession of Diocletian ⓘ
endTime	284 ⓘ
field	Roman history ⓘ
followedBy	Dominate ⓘ Diocletian's Tetrarchy ⓘ surface form: Tetrarchy reforms of Diocletian ⓘ
follows	Crisis of the Third Century self-linksurface differs ⓘ surface form: Crisis of the Second Century
hasCause	Sasanian invasions ⓘ barbarian invasions ⓘ civil wars ⓘ dynastic instability ⓘ economic crisis ⓘ external invasions ⓘ frequent usurpations ⓘ military upheaval ⓘ political instability ⓘ
hasEffect	administrative reforms in the Roman Empire ⓘ debasement of Roman coinage ⓘ increased militarization of the empire ⓘ near collapse of the Roman Empire ⓘ rise of regional separatist empires ⓘ severe economic inflation ⓘ temporary fragmentation of the Roman Empire ⓘ urban decline ⓘ
hasPart	reign of Aurelian ⓘ reign of Carinus ⓘ reign of Carus ⓘ reign of Claudius Gothicus ⓘ reign of Decius ⓘ Crisis of the Third Century self-linksurface differs ⓘ surface form: reign of Gallienus reign of Gordian III ⓘ reign of Maximinus Thrax ⓘ reign of Numerian ⓘ reign of Philip the Arab ⓘ reign of Probus ⓘ reign of Valerian ⓘ
location	Europe ⓘ Mediterranean Basin ⓘ Middle East ⓘ surface form: Near East North Africa ⓘ
separatedFrom	central Roman Empire ⓘ
separatedInto	Gallic Empire ⓘ Palmyrene Empire ⓘ
startTime	235 ⓘ

How these facts were elicited

Referenced by (80)

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

Battle of Immae → partOf → Crisis of the Third Century ⓘ

Battle of Immae → era → Crisis of the Third Century ⓘ

Caracalla → era → Crisis of the Third Century ⓘ

this entity surface form: Crisis of the Third Century (prelude)

Tetricus I → associatedWithCrisis → Crisis of the Third Century ⓘ

Tetricus II → conflict → Crisis of the Third Century ⓘ

Elagabalus → era → Crisis of the Third Century ⓘ

this entity surface form: Crisis of the Third Century (early phase)

Battle of Emesa → conflictIn → Crisis of the Third Century ⓘ

Severus Alexander → era → Crisis of the Third Century ⓘ

this entity surface form: Crisis of the Third Century (early phase)

Battle of Edessa (260) → historicalPeriod → Crisis of the Third Century ⓘ

Battle of Edessa (260) → sideRoman → Crisis of the Third Century ⓘ

this entity surface form: Roman Empire under Valerian

Publius Septimius Geta → era → Crisis of the Third Century ⓘ

this entity surface form: Crisis of the Third Century precursor period

Battle of Lugdunum 197 AD → historicalPeriod → Crisis of the Third Century ⓘ

subject surface form: Battle of Lugdunum

this entity surface form: Crisis of the Second Century

Pax Romana → followedBy → Crisis of the Third Century ⓘ

Carus → era → Crisis of the Third Century ⓘ

Caran dynasty → timePeriod → Crisis of the Third Century ⓘ

Roman civil wars of the 3rd century → partOf → Crisis of the Third Century ⓘ

Marcus Antonius Gordianus Pius → era → Crisis of the Third Century ⓘ

Year of the Six Emperors → follows → Crisis of the Third Century ⓘ

this entity surface form: Crisis of 235–238

Year of the Six Emperors → partOf → Crisis of the Third Century ⓘ

Pupienus → era → Crisis of the Third Century ⓘ

Gordian dynasty → politicalContext → Crisis of the Third Century ⓘ

Antonia Gordiana → era → Crisis of the Third Century ⓘ

Furia Sabinia Tranquillina → era → Crisis of the Third Century ⓘ

Timesitheus → associatedWith → Crisis of the Third Century ⓘ

Timesitheus → era → Crisis of the Third Century ⓘ

Numerian → era → Crisis of the Third Century ⓘ

Gordian II → era → Crisis of the Third Century ⓘ

Gordian I → era → Crisis of the Third Century ⓘ

Gordian I → hasRoleIn → Crisis of the Third Century ⓘ

this entity surface form: Roman imperial succession crisis of 238

Battle of Resaena → era → Crisis of the Third Century ⓘ

All labels observed (17)

How this entity was disambiguated Show

Statements (50)

How these facts were elicited Show

Referenced by (80)

How this entity was disambiguated

How these facts were elicited