Titus Aelius Hadrianus Antoninus Pius was Roman emperor from AD 138 to 161. He was the fourth of the Five Good Emperors from the Nerva–Antonine dynasty and also the fourth of the six adoptive emperors. Born: September 17, 86 Died: March 6, 161 In office: July 9, 138 – March 6, 161 Wiki link