Significant people
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The 420s decade ran from January 1, 420, to December 31, 429.
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Galla Placidia, daughter of the Roman emperor Theodosius I, was a mother, tutor, and advisor to emperor Valentinian III. 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.
Year 432 (CDXXXII) was a leap year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aetius and Valerius. The denomination 432 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 400s decade ran from January 1, 400, to December 31, 409.
The 430s decade ran from January 1, 430, to December 31, 439.
The 450s decade ran from January 1, 450, to December 31, 459.
Year 440 (CDXL) was a leap year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Valentinianus and Anatolius. The denomination 440 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 427 (CDXXVII) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Hierus and Ardabur. The denomination 427 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 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 390s decade ran from January 1, 390 to December 31, 399
The 410s decade ran from January 1, 410, to December 31, 419.
The 440s decade ran from January 1, 440, to December 31, 449.
The 460s decade ran from January 1, 460, to December 31, 469.
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 423 (CDXXIII) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Marinianus and Asclepiodotus. The denomination 423 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 425 (CDXXV) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Theodosius and Valentinianus. The denomination 425 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 437 (CDXXXVII) 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 Sigisvultus. The denomination 437 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 446 (CDXLVI) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aetius and Symmachus. The denomination 446 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.
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.
Placidia was a daughter of Valentinian III, Roman emperor of the West from 425 to 455, and from 454/455 the wife of Olybrius, who became western Roman emperor in 472. She was one of the last imperial spouses in the Roman west, during the Fall of the Western Roman Empire during Late Antiquity.
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.
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