About Decentius
Lived 300 – 353. Decentius was a Roman politician.
Magnus Decentius (died 18 August 353) was caesar of the Western Roman Empire from 350 to 353, under his brother Magnentius.
History Nothing is known of Decentius prior to 350. Magnentius usurped power from Constans on 18 January 350, and elevated Decentius as caesar later that year, perhaps in July or August.
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Important facts
People in Decentius's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Decentius's
Frequently asked questions
Who was Decentius?
Roman usurper
When was Decentius born?
Decentius was born in 300 in Amiens.
When did Decentius die?
Decentius died on 18 August 353 in Sens.
What was Decentius's occupation?
Decentius was a politician.
What nationality was Decentius?
Decentius was Roman.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Decentius. https://biography.guide/decentius/
MLA: "Decentius." Biography.guide, https://biography.guide/decentius/.
Chicago: "Decentius." Biography.guide. https://biography.guide/decentius/.
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