Table of the Emperors

Name

Birth

Made Caesar

Further stages of career

Death

DIOCLETIAN

Gaius Aurelius Diocletianus (Diocles)

Dec. 22, c. 245 in Dalmatia

Emperor November 20, 284

Abdicated May 1, 305.

Died of natural causes in 316 at Split.

MAXIMIAN

Marcus Aurelius Valerius Maximianus

c. 250 near Sirmium

Co-emperor from April 286 for the Rhine

Co-emperor for the western Mediterranean from 293; abdicated May 1, 305; brought back in November 306; forcibly abdicated November 308; took power again in Spring 310.

Died a few weeks after taking power in 310.

CONSTANTIUS I CHLORUS

Flavius Valerius Constantius

c. 250 in Dardana

Caesar from March 1, 293 for the area north of the Alps.

Western emperor from May 1, 305.

Died of natural causes on July 25, 306, at York.

GALERIUS

Gaius Galerius Valerius Maximianus

near Serdica.

Caesar from March 1, 293.

Eastern emperor from May 1, 305.

Died of natural causes in May 311.

SEVERUS II

Flavius Valerius Severus

Pannonia

Caesar from May 1, 305.

Western emperor from July 25, 306. Imprisoned by Maximimian Maxentius.

Executed summer of 307.

MAXIMINUS II DAIA

Caesar from May 1, 305.

Eastern emperor from 309.

Killed in the autumn of 313 at Tarsus.

MAXENTIUS

Marcus Aurelius Valerius Maxentius

Western emperor from October 28, 306.

Brought father (Maximian) out of retirement for support against Severus II.

Died in the Tiber on October 28, 312 in the Battle of Milvian Bridge against Constantine I.

LICINIUS

Valerius Licianus Licinius

c. 263

November 308 made Augustus over the Danube.

Eastern emperor in 311, but deposed by Constantine I in 325.

Executed by Constantine I in 325.

VALENS

Aurelius Valerius Valens

Licinius declared him co-emperor in 314 during the war with Constantine.

Deposed in 314.

Executed by Licinius in 314.

MARTINIAN

Marcus Martinianus

co-emperor late summer 324; proclaimed by Licinus.

Deposed by Constantine I in 324.

Executed by Constantine I in 325.