Editing Roman usurper (section)

{{short description|Individuals who attempted to illegitimately gain power in the Roman Empire}}
{{Refimprove|date=January 2023}}
{{Essay|date=June 2023}}
'''Roman usurpers''' were individuals or groups of individuals who obtained or tried to obtain power by force and without [[Legitimacy (political)|legitimate]] legal authority.<ref>{{Cite book |last=Omissi |first=Adrastos |url=https://books.google.com/books?id=CWliDwAAQBAJ |title=Emperors and Usurpers in the Later Roman Empire: Civil War, Panegyric, and the Construction of Legitimacy |date=2018|publisher=Oxford University Press |isbn=978-0-19-255827-5 |language=en}}</ref> [[Usurpation]] was endemic during the [[Roman Empire|Roman imperial]] era, especially from the [[crisis of the third century]] onwards, when political instability became the rule.