Tacitus · Antoninus Pius Were Tacitus and Antoninus Pius alive at the same time? Yes. Tacitus and Antoninus Pius were alive at the same time, from AD 86 to c. AD 120. TacitusRoman historian and senatorBorn c. AD 55 · died c. AD 120Antoninus Pius15th Roman EmperorBorn 19 September AD 86 · died 7 March AD 161, aged 74 Saint PeterPaul the ApostleNeroPlutarchTacitusAntoninus PiusPtolemyMarcus AureliusNagarjuna Tacitus and Antoninus Pius 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.