Diocletian's Tetrarchy

E5869

Roman imperial institution political reform system of government

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.

Jump to: Surface forms Statements Referenced by

Observed surface forms (14)

Surface form	Occurrences
Tetrarchy	15
Tetrarchic period	2
Diocletianic Reforms	1
Diocletianic administrative reforms	1
Diocletianic provincial reforms	1
Diocletianic reforms	1
Eastern Empire under Diocletian	1
First Tetrarchy	1
Second Tetrarchy	1
Tetrarchic court system	1
Tetrarchy (late phase)	1
Tetrarchy of Diocletian	1
Western Empire under Maximian	1
end of the Crisis of the Third Century	1

Statements (50)

Predicate	Object
instanceOf	Roman imperial institution ⓘ political reform ⓘ system of government ⓘ
administrativeDivision	Danubian region under Galerius ⓘ Diocletian's Tetrarchy self-linksurface differs ⓘ surface form: Eastern Empire under Diocletian Gaul and Britain under Constantius Chlorus ⓘ Diocletian's Tetrarchy self-linksurface differs ⓘ surface form: Western Empire under Maximian
appliesTo	Roman Empire ⓘ
associatedDeity	Heracles ⓘ surface form: Hercules Jupiter ⓘ
basedOn	division of civil administration ⓘ division of military commands ⓘ
beganInCentury	3rd century ⓘ
beganInDecade	290s ⓘ
beganInYear	293 ⓘ
capitalCity	Augusta Treverorum ⓘ Milan ⓘ surface form: Mediolanum Nicomedia (traditionally) ⓘ surface form: Nicomedia Sirmium ⓘ
economicReformContext	Diocletian's price edict ⓘ
endedBy	civil wars of the early 4th century ⓘ rise of Constantine the Great ⓘ
endedInCentury	4th century ⓘ
endedInDecade	310s ⓘ
hasAlternativeName	Rule of Four ⓘ Diocletian's Tetrarchy ⓘ surface form: Tetrarchy
hasEmperor	Constantius Chlorus ⓘ Diocletian ⓘ Galerius ⓘ Maximian ⓘ
hasJuniorEmperorTitle	Caesar ⓘ
hasNumberOfRulers	4 ⓘ
hasSeniorEmperorTitle	Augustus ⓘ
hasTitleStructure	two Augusti and two Caesars ⓘ
historicalSignificance	marked the end of the Crisis of the Third Century ⓘ precursor to the later division between Eastern and Western Roman Empires ⓘ
initiatedBy	Diocletian ⓘ
introducedConcept	collegial rule by multiple emperors ⓘ division of the empire into administrative regions ⓘ orderly imperial succession ⓘ
legacy	influenced later Roman imperial succession practices ⓘ provided model for shared imperial authority ⓘ
legalReformContext	Diocletianic reforms ⓘ
militaryContext	Crisis of the Third Century ⓘ
purpose	defense of imperial frontiers ⓘ more effective governance of the Roman Empire ⓘ prevention of usurpation ⓘ stabilization of imperial rule ⓘ
religiousIdeology	Jovian and Herculian divine associations ⓘ emperor worship ⓘ

Referenced by (30)

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

Diocletian's Tetrarchy → administrativeDivision → Diocletian's Tetrarchy self-linksurface differs ⓘ

this entity surface form: Eastern Empire under Diocletian

Diocletian's Tetrarchy → administrativeDivision → Diocletian's Tetrarchy self-linksurface differs ⓘ

this entity surface form: Western Empire under Maximian

Rule of Four → alsoKnownAs → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Diocles → associatedWith → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Maxentius → associatedWith → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Diocles → contributedTo → Diocletian's Tetrarchy ⓘ

this entity surface form: end of the Crisis of the Third Century

Roman imperial iconography → developedUnder → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Maxentius → dynasty → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchic period

Maximian → era → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchic period

Prisca → era → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Crisis of the Third Century → followedBy → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Caesar → formalizedInSystem → Diocletian's Tetrarchy ⓘ

subject surface form: Caesar (imperial title)

this entity surface form: Tetrarchy

Licinius → governmentSystem → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy (late phase)

Diocletian's Tetrarchy → hasAlternativeName → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Martyrs of Palestine → historicalContext → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy of Diocletian

Diocletianic Persecution → historicalPeriod → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

court of Constantine the Great → influencedBy → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchic court system

court of Constantine the Great → influencedBy → Diocletian's Tetrarchy ⓘ

this entity surface form: Diocletianic administrative reforms

Galatia → integratedInto → Diocletian's Tetrarchy ⓘ

this entity surface form: Diocletianic provincial reforms

Roman Empire → keyReform → Diocletian's Tetrarchy ⓘ

Constantius Chlorus → memberOf → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Maximian → memberOf → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Diocletian's price edict → partOf → Diocletian's Tetrarchy ⓘ

this entity surface form: Diocletianic Reforms

Rule of Four → partOf → Diocletian's Tetrarchy ⓘ

this entity surface form: Diocletianic reforms

Edict of Toleration by Galerius → politicalContext → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Constantinian dynasty → precededBy → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Constantinian civil war → relatedTo → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy

Galerius → tetrarchyMemberOf → Diocletian's Tetrarchy ⓘ

this entity surface form: First Tetrarchy

Galerius → tetrarchyMemberOf → Diocletian's Tetrarchy ⓘ

this entity surface form: Second Tetrarchy

Diocletian's price edict → timePeriod → Diocletian's Tetrarchy ⓘ

this entity surface form: Tetrarchy