AD 447: Theodosius II chooses a policy to protect Constantinople against the Huns. He removes Aspar and Areobindus (magister militum) from their military commands.
AD 451: Thorismund succeeds his father Theodoric I as king of the Visigoths. He is crowned in the capital at Toulouse, and extends the Visigothic Kingdom in Hispania.
AD 455: Skandagupta succeeds Kumaragupta I as ruler of the Gupta Empire (India). During his reign he crushes the Hun invasion; however, the expense of the wars drains the empire's resources and contributes to its decline.
AD 456: A civil war occurs in the Western Roman Empire, when Roman generals Majorianus and Ricimer revolted against the Western Roman emperor Avitus who was appointed by the Visigoths after the Sack of Rome in 455.
AD 457: Yazdegerd II dies after a 19-year reign. He is succeeded by his son Hormizd III who seizes the Persian throne. His elder brother Peroz I rebels against him in Sistan (Iran). After months of civil war he defeats Hormizd and becomes the seventeenth Sasanian king of the Persian Empire.
AD 474: February 9 – Zeno, father of Leo II, is crowned as co-emperor (Augustus). He rules the empire together with his son, and stabilises the Eastern frontier.
AD 477: The independent Mauro-Roman Kingdom (Kingdom of the Moors and Romans) is formed by Christian Berbers in the Roman province of Mauretania Caesariensis (present-day northern Algeria), bordering the Vandal Kingdom to the east.
AD 480: Emperor Zeno officially dissolves the east/west co-emperorship, ruling as the first sole emperor of Rome in 85 years. The position of emperor is never again divided.