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Septimius Severus
Definition by Patrick Hurley

Septimius Severus

Lucius Septimius Severus was Roman emperor from April 193 to February 211 CE. He was of Libyan descent from Lepcis Magna and came from a locally prominent Punic family who had a history of rising to senatorial as well as consular status...
Marcus Aurelius
Definition by Joshua J. Mark

Marcus Aurelius

Marcus Aurelius reigned as Roman emperor from 161 to 180 CE and is best known as the last of the Five Good Emperors of Rome (following Nerva, Trajan, Hadrian, and Antoninus Pius) and as the author of the philosophical work Meditations. He...
Justinian I
Definition by Will Wyeth

Justinian I

Justinian I reigned as emperor of the Byzantine Empire from 527 to 565 CE. Born around 482 CE in Tauresium, a village in Illyria, his uncle Emperor Justin I was an imperial bodyguard who reached the throne on the death of Anastasius in 518...
Maximinus Thrax
Definition by Donald L. Wasson

Maximinus Thrax

Maximinius Thrax ruled briefly as the Roman emperor from 235 CE to his death in 238 CE. The young Roman Emperor Alexander Severus secured the imperial throne after the assassination of his cousin Elagabalus by the Praetorian Guard in 222...
Constantine I
Definition by Donald L. Wasson

Constantine I

Constantine I was Roman emperor from 306 to 337 CE. Realizing that the Roman Empire was too large for one man to adequately rule, Emperor Diocletian (284-305 CE) split the empire into two, creating a tetrachy or rule of four. While he ruled...
Tiberius
Definition by Donald L. Wasson

Tiberius

Tiberius was Roman emperor from 14 to 37 CE. Tiberius, the adopted son of Roman Emperor Caesar Augustus, never aspired to follow in his stepfather's footsteps — that path was chosen by his domineering mother, Livia. His 23-year reign...
Didius Julianus
Definition by Donald L. Wasson

Didius Julianus

Didius Julianus was Roman emperor from March to June 193 CE. On March 28, 193 CE Roman Emperor Pertinax was assassinated by the Praetorian Guard, and like his predecessor Commodus, he left no apparent successor. Two possible claimants presented...
Aurelian
Definition by Patrick Hurley

Aurelian

Aurelian was Roman emperor from 270 to 275 CE. He was one of the so-called Barracks Emperors, chosen by the Roman army during the turbulent period known as the Crisis of the Third Century (235-284 CE). Besides victories...
Vitellius
Definition by Donald L. Wasson

Vitellius

Vitellius was Roman emperor from April to December 69 CE. Vitellius was the third of the four emperors who ruled the Roman Empire in the year 69 CE. One of his predecessors, Galba, who had replaced the fallen Emperor Nero, was murdered by...
Postumus
Definition by Donald L. Wasson

Postumus

Postumus was Roman emperor from 260 to 269 CE. Marcus Cassianus Latinius Postumus was a trusted military commander of Emperor Gallienus (253-268 CE) and governor or Germania Superior and Inferior (Upper and Lower Germany). After the...