Theodorus
4th-century Roman usurper
About Theodorus
Theodorus (Greek: Θεοδώρος) was a Roman usurper against Emperor Valens according to Ammianus Marcellinus. Marcellinus was residing in Antioch in 372 and, making it clear that he is speaking as an eyewitness, tells us that Theodorus was thought to have been identified by divination as a new Emperor, the successor to Valens. He proceeds and explain how Theodorus and several others were made to confess their deceit through the use of torture and were cruelly punished after that. Nothing else is known about him.
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Frequently asked questions
Who was Theodorus?
4th-century Roman usurper
Sources & further reading
· DBpedia: Theodorus (usurper)
Cite this page
APA: Biography.guide. (2026). Theodorus. https://biography.guide/theodorus-2/
MLA: "Theodorus." Biography.guide, https://biography.guide/theodorus-2/.
Chicago: "Theodorus." Biography.guide. https://biography.guide/theodorus-2/.
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