Julius Caesar · Mark Antony Were Julius Caesar and Mark Antony alive at the same time? Yes. Julius Caesar and Mark Antony were alive at the same time for 38 or 39 years, from BC to 44 BC. Julius Caesar was 16 or 17 when Mark Antony was born.Mark Antony was 38 or 39 when Julius Caesar died, aged 55. Julius CaesarRoman general and dictatorBorn July 100 BC · died 15 March 44 BC, aged 55Mark AntonyRoman politician and general (83 BC – 30 BC)Born 83 BC · died 30 BC, aged 52 or 53 CiceroJulius CaesarMark AntonyCleopatraVirgilHoraceAugustusOvid Julius Caesar and Mark Antony in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.