Historical Events in 401 AD Dec 19 St Anastasius I ends his reign as Catholic Pope Dec 22 St. Innocent I begins his reign as Catholic Pope Famous People Born in 401 AD Apr 10 Theodosius II, the Younger, Eastern Roman emperor (408-450), born in Constantinople (d. 450) Famous People Who Died in 401 AD Dec 19 Anastasius I, Bishop of Rome (399-401), dies Share On Facebook Share On Twitter 399 AD History by Year 402 AD