Julius Caesar possessed the position of dictator perpetuo.
Dictator perpetuo ( English : `` dictator in perpetuity '' ) , also called dictator in perpetuum , was the office held by Julius Caesar from 26 January or 15 February of the year 44 BCE until his death on 15 March . Julius Caesar . He centralised the bureaucracy of the Republic and was eventually proclaimed `` dictator in perpetuity '' , giving him additional authority .