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,禁卫军在多元老法庭官员的纵容下谋杀卡利古拉,并扶植他的叔叔克劳狄斯登上王位,当时韦斯帕芗可能担任执政官。