网页2024年9月15日 · Antoninus Pius (born Sept. 19, 86, Lanuvium, Latium—died March 7, 161, Lorium, Etruria) was a Roman emperor from ad 138 to 161. Mild-mannered and capable, he was the fourth of the “five good emperors” who guided the empire through an 84-year period (96–180) of internal peace and prosperity.