Roman emperor Constantine the Great

E5881

Byzantine imperial founder Christian convert Roman emperor historical figure

Roman emperor Constantine the Great was the first Roman ruler to convert to Christianity and is best known for legalizing the religion, founding Constantinople, and reshaping the Roman Empire’s religious landscape.

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All labels observed (15)

Label	Occurrences
Emperor Constantine the Great	12
Constantine the Great	6
Constantine I	4
Roman Emperor Constantine I	2
Roman Emperor Constantine the Great	2
Roman emperor Constantine the Great canonical	2
Byzantium came under Constantine's control	1
Constantine	1
Constantine I secured naval supremacy in the region	1
Constantine controlled both eastern and western provinces	1
Constantinian dynasty	1
Emperor Constantine I	1
Flavius Valerius Constantinus	1
Flavius Valerius Constantinus (Constantine the Great)	1
reign of Constantine the Great	1

How this entity was disambiguated

This entity first appeared as the object of triple T62923 — 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 emperor Constantine the Great
Context triple: [Chi-Rho, associatedWith, Roman emperor Constantine the Great]

A. Emperor
The Emperor is the ceremonial monarch and symbolic head of state of Japan, representing the continuity and unity of the Japanese nation.
B. Julius
Julius is the first given name of J. Robert Oppenheimer, the American theoretical physicist known as the "father of the atomic bomb."
C. James
James is a common masculine given name of Hebrew origin meaning "supplanter," widely used in English-speaking countries.
D. Paul
Paul is a masculine given name of Latin origin, widely used in many Western and Christian-influenced cultures.
E. Jesus Christ
Jesus Christ is believed by Christians to be the incarnate Son of God and the Savior of humanity whose life, death, and resurrection are the foundation of the Christian faith.
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 emperor Constantine the Great
Target entity description: Roman emperor Constantine the Great was the first Roman ruler to convert to Christianity and is best known for legalizing the religion, founding Constantinople, and reshaping the Roman Empire’s religious landscape.

A. Emperor
The Emperor is the ceremonial monarch and symbolic head of state of Japan, representing the continuity and unity of the Japanese nation.
B. Julius
Julius is the first given name of J. Robert Oppenheimer, the American theoretical physicist known as the "father of the atomic bomb."
C. James
James is a common masculine given name of Hebrew origin meaning "supplanter," widely used in English-speaking countries.
D. Paul
Paul is a masculine given name of Latin origin, widely used in many Western and Christian-influenced cultures.
E. Pontius Pilate
Pontius Pilate was the Roman governor of Judea in the early 1st century CE, best known for presiding over the trial of Jesus and authorizing his crucifixion.
F. None of above. chosen

Statements (95)

Predicate	Object
instanceOf	Byzantine imperial founder ⓘ Christian convert ⓘ Roman emperor ⓘ historical figure ⓘ
alsoKnownAs	Constantine I ⓘ linked to: Roman emperor Constantine the Great Constantinus Magnus ⓘ
associatedWith	transition from Classical Rome to Byzantine Empire ⓘ
battle	Battle of the Milvian Bridge ⓘ
battleDate	28 October 312 ⓘ
becameSeniorAugustus	324 ⓘ
birthDate	c. 272 ⓘ c. 273 ⓘ c. 274 ⓘ
birthPlace	Moesia ⓘ Naissus ⓘ Naissus, in the Roman province of Moesia (modern Niš, Serbia) ⓘ
burialCity	Constantinople ⓘ linked to: Istanbul
burialPlace	Church of the Holy Apostles ⓘ
canonizedBy	Eastern Orthodox Church ⓘ linked to: Eastern Orthodox Christianity
capitalMovedTo	Constantinople ⓘ linked to: Istanbul
child	Constans ⓘ Constantina ⓘ Constantine II ⓘ Constantius II ⓘ Crispus ⓘ Helena (daughter of Constantine) ⓘ linked to: Helena
coEmperorWith	Galerius ⓘ Licinius ⓘ Maxentius ⓘ Maximian ⓘ
coinageReform	introduction of the solidus ⓘ
convened	First Council of Nicaea ⓘ
councilDate	325 ⓘ
councilLocation	Nicaea ⓘ linked to: First Council of Nicaea
culturalImpact	Christianization of the Roman Empire ⓘ
deathDate	22 May 337 ⓘ
deathPlace	Nicomedia ⓘ linked to: Nicomedia (traditionally) Nicomedia, Bithynia ⓘ linked to: Nicomedia (traditionally) near Constantinople ⓘ
defeated	Licinius ⓘ Maxentius ⓘ
doctrineInfluenced	Nicene Creed ⓘ
dynasty	Constantinian dynasty ⓘ
edictOfMilanDate	313 ⓘ
father	Constantius Chlorus ⓘ
feastDay	21 May ⓘ
feastSharedWith	Helena ⓘ
foundedCity	Constantinople ⓘ linked to: Istanbul
foundedCityDate	11 May 330 ⓘ
foundedCityOnSiteOf	Byzantium ⓘ
fullName	Flavius Valerius Constantinus ⓘ linked to: Roman emperor Constantine the Great
intervenedIn	Arian controversy ⓘ linked to: Arianism
issued	Edict of Milan ⓘ
issuedWith	Licinius ⓘ
knownFor	Council of Nicaea ⓘ linked to: First Council of Nicaea Edict of Milan ⓘ first Roman emperor to convert to Christianity ⓘ founding Constantinople ⓘ legalizing Christianity in the Roman Empire ⓘ reshaping the religious landscape of the Roman Empire ⓘ
language	Latin ⓘ
legacy	foundation of Constantinople as a new imperial capital ⓘ model of Christian emperorship in Late Antiquity ⓘ
legalAct	Sunday as a day of rest in the Roman Empire ⓘ granting privileges to Christian clergy ⓘ restoring confiscated church property ⓘ
legalStatusOfChristianity	from persecuted to legally recognized and favored ⓘ
militaryRankBeforeEmperor	tribunus ⓘ
mother	Helena ⓘ
mottoAssociated	In hoc signo vinces ⓘ
partOf	Tetrarchic system (initially) ⓘ
patronage	Byzantine emperors ⓘ linked to: Roman emperors Christian imperial ideology ⓘ
policy	imperial support for the Christian Church ⓘ toleration of Christianity ⓘ
predecessor	Constantius Chlorus ⓘ
promoted	Christian bishops at court ⓘ
reignAs	Roman emperor ⓘ
reignEnd	22 May 337 ⓘ
reignStart	25 July 306 ⓘ
religion	Christianity ⓘ
roleInCouncilOfNicaea	presided as patron and convener ⓘ
ruledOver	Eastern Roman Empire ⓘ linked to: Byzantine Empire Western Roman Empire ⓘ unified Roman Empire ⓘ
solidusIntroductionDate	c. 312–313 ⓘ
spouse	Fausta ⓘ Minervina ⓘ
successor	Constans ⓘ Constantine II ⓘ Constantius II ⓘ
sundayLawDate	321 ⓘ
title	Pontifex Maximus ⓘ linked to: pontifex maximus
victoryResult	sole ruler of the Roman Empire ⓘ
visionBeforeBattle	Christian symbol in the sky ⓘ