Seneca the Younger AD Agrippina married her uncle Claudius, and through her influence Seneca was recalled to Rome. Agrippina gained the praetorship for Seneca and appointed him tutor to her son, the future emperor Nero. From AD 54 to 62, Seneca acted as Nero's advisor, together with the praetorian prefect Sextus Afranius Burrus. One byproduct of his new position was that Seneca was appointed suffect consul in 56. Seneca's influence was said to have been especially strong in the first year. Seneca composed Nero's accession speeches in which he promised to restore proper legal procedure and authority to the Senate. He also composed
Roman emperor Emperor Theodosius I's sons Arcadius and Honorius succeeded as co-emperors. Eighty-five years later, following Germanic migrations which had reduced the empire's effective control across Brittania, Gaul and Hispania and a series of military coup d'état which drove Emperor Nepos out of Italy, the idea of dividing the position of emperor was formally abolished by Emperor Zeno (480). The Roman Empire survived in the east until 1453, but the marginalization of the former heartland of Italy to the empire had a profound cultural impact on the empire and the position of emperor. In 620, the official language was changed from Latin