Galla Placidia, daughter of the Roman emperor Theodosius I, was a mother, tutor, and advisor to emperor Valentinian III, and a major force in Roman politics for most of her life. She was queen consort to Ataulf, king of the Visigoths from 414 until his death in 415, briefly empress consort to Constantius III in 421, and managed the government administration as a regent during the early reign of Valentinian III, until her death.
The 430s decade ran from January 1, 430, to December 31, 439.
The 420s decade ran from January 1, 420, to December 31, 429.
Year 431 (CDXXXI) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Bassus and Antiochus. The denomination 431 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The 450s decade ran from January 1, 450, to December 31, 459.
Year 450 (CDL) was a common year starting on Sunday of the Julian calendar, the 450th Year of the Common Era (CE) and Anno Domini (AD designations, the 450th year of the 1st millennium, the 50th year of the half of 5th century, and the 1st year of the 450s decade. At the time, it was known as the Year of the Consulship of Valentinianus and Avienus. The denomination 450 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The 440s decade ran from January 1, 440, to December 31, 449.
Year 454 (CDLIV) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aetius and Studius. The denomination 454 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 455 (CDLV) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Valentinianus and Anthemius. The denomination 455 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 471 (CDLXXI) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Novus and Probianus. The denomination 471 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The 370s decade ran from January 1, 370, to December 31, 379.
Year 421 (CDXXI) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Agricola and Eustathius. The denomination 421 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Marcian was Roman emperor of the East from 450 to 457. Very little of his life before becoming emperor is known, other than that he was a domesticus who served under the commanders Ardabur and his son Aspar for fifteen years. After the death of Emperor Theodosius II on 28 July 450, Marcian was made a candidate for the throne by Aspar, who held much influence because of his military power. After a month of negotiations Pulcheria, Theodosius' sister, agreed to marry Marcian. Zeno, a military leader whose influence was similar to Aspar's, may have been involved in these negotiations, as he was given the high-ranking court title of patrician upon Marcian's accession. Marcian was elected and inaugurated on 25 August 450.
Theodosius II, also known as Theodosius the Younger, was Roman emperor for most of his life, proclaimed Augustus as an infant in 402 and ruling as the eastern Empire's sole emperor after the death of his father Arcadius in 408. His reign was marked by the promulgation of the Theodosian law code and the construction of the Theodosian Walls of Constantinople. He also presided over the outbreak of two great Christological controversies, Nestorianism and Eutychianism.
Valentinian III was Roman emperor in the West from 425 to 455. Made emperor in childhood, his reign over the Roman Empire was one of the longest, but was dominated by powerful generals vying for power amid civil wars and the invasions of Late Antiquity's Migration Period, including the campaigns of Attila the Hun.
Flavius Aetius was a Roman general and statesman of the closing period of the Western Roman Empire. He was a military commander and the most influential man in the Empire for two decades (433–454). He managed policy in regard to the attacks of barbarian federates settled throughout the West. Notably, he mustered a large Roman and allied (foederati) army in the Battle of the Catalaunian Plains, ending a devastating invasion of Gaul by Attila in 451, though the Hun and his subjugated allies still managed to invade Italy the following year, an incursion best remembered for the ruthless Sack of Aquileia and the intercession of Pope Leo I.
Justa Grata Honoria, commonly referred to during her lifetime as Honoria, was the older sister of the Western Roman Emperor Valentinian III. She is famous for her plea of love and help to Attila the Hun, which led to his proclamation of his claim to rule the Western Roman Empire.
Licinia Eudoxia was a Roman Empress, daughter of Eastern Roman Emperor Theodosius II. Her husbands included the Western Roman Emperors Valentinian III and Petronius Maximus.
The Eastern Roman Empire was ruled by the Theodosian dynasty from 379, the accession of Theodosius I, to 457, the death of Marcian. The rule of the Theodosian dynasty saw the final East-West division of the Roman Empire, between Arcadius and Honorius in 395. Whilst divisions of the Roman Empire had occurred before, the Empire would never again be fully reunited. The reign of the sons of Theodosius I contributed heavily to the crisis that under the fifth century eventually resulted in the complete collapse of western Roman court.
The history of the Later Roman Empire covers the history of the Roman Empire beginning around the time of the rule of Diocletian in 284 AD. Alongside the establishment of the Tetrarchy in 293 AD by the latter. The period ended with the death of Heraclius in 641 AD.
