CLAS / HIST 4091 / 5091

Lecture 22. The New Empire of Diocletian

I. Praise

A. Mamertinus The Latin Panegyrics X (AD 289)

To Maximian:“Founders of Rome...Saviors of Rome”

B. Divinity

Diocletian Jovius / Maximian Herculius

Dominus (lord and master) = Dominate

Ceremonial: clothing, diadems

II.The Tetrarchy

A. Augusti (full emperors)

C. Aurelius Valerius Diocletianus (284-305) and 

M. Aurelius Valerius Maximianus (286-305) (both Illyrian)

B. Caesars (junior emperors)

C. Flavius Valerius Constantius (293-306)

C. Galerius Valerius Maximianus (293-311)

C. Territories?

D. Harmony (“brothers”, share titles)

E. Abdication (305): Retires to Spalato / Split

III. Foreign Policy

A. Gaul Bagaudae (citizen bandits)

B. Britain (Saxon raids; Carausius the usurper; Constantius’ victory in 296)

C. Danube (settlement of Carpi in Pannonia)

D. Egypt (Domitius Domitianus, usurper 297-8)

E. Persia (Capture of Nerses’ harem by Galerius 298)

F. Fortification (systematic; strata Diocletiana “Diocletian’s paved road” on eastern frontier > el Lejjun)

IV. Reform

A. Army (60 legions of 1000-2000; duces (dukes); not create mobile army)

B. Provinces (50 >> 100 provinces; 12 dioceses; vicars; Praetorian prefects)

C. Taxes (Capitatio-iugatio:caput (person) iugum (measure of land))

D. Coinage and inflation (aureus 1/60th lb gold, argenteus 1/96th lb silver; Edict on maximum prices 301)

V. Blame

A. The Great Persecution (303-305)

B. Lactantius The Deaths of Persecutors