Vespasian was possibly serving as praetor when in January 41 AD the Praetorian Guard, with the connivance of many senators and court officials, murdered Caligula and placed his uncle, Claudius on the throne.
公元 41 年 1 月,禁卫军在多元老和法庭官员纵容下谋杀了卡利古拉,并扶植他叔叔克劳狄斯登上王位,当时韦斯帕芗可能担任执政官。