About Cassius Dio
Born 250. Cassius Dio was a Roman politician.
Cassius Dio (; 291β297) was a Roman senator who was appointed consul in AD 291.
Biography Cassius Dio was either the grandson or great-grandson of his namesake, the historian Cassius Dio, whose family originated in Bithynia. He was appointed consul posterior in 291 alongside Gaius Junius Tiberianus at quite a young age. This was followed by a posting as Proconsular governor of Africa from approximately 1 July 294 to 1 July 295. Then on 18 February 296, he was appointed Praefectus urbi of Rome, a position he held until 297.
Cassius Dio owned a house on the Palatine Hill called the Domus Dionis. At some stage, he and 12 other senators each contributed 400,000 sesterces, probably for the construction of a building.
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Important facts
Frequently asked questions
Who was Cassius Dio?
Roman senator and consul in 291
When was Cassius Dio born?
Cassius Dio was born in 250.
What was Cassius Dio's occupation?
Cassius Dio was a politician.
What nationality was Cassius Dio?
Cassius Dio was Roman.
Sources & further reading
Β· DBpedia: Cassius Dio (consul 291)
Cite this page
APA: Biography.guide. (2026). Cassius Dio. https://biography.guide/cassius-dio/
MLA: "Cassius Dio." Biography.guide, https://biography.guide/cassius-dio/.
Chicago: "Cassius Dio." Biography.guide. https://biography.guide/cassius-dio/.
Data last updated: 2026-09-20 Β· Spot an error? Report a correction.
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