For the area code, see Area code 408. Events By place Western Roman EmpireIn the summer of this year, the usurper Constantine III captures Hispania, destroying the loyalist forces defending it.September—Alaric, King of the Visigoths, lays siege to Rome. Eastern Roman EmpireTheodosius II succeeds his father Arcadius as Emperor of the Eastern half of the Roman Empire. Due to Theodosius' young age, the Praetorian prefect, Anthemius, acts as emperor. Under Uldin, the Huns attack the Eastern E… (More on 408)