[401-450] May 2026

: He ordered the building of the Church of Saint Nicholas in Myra, preserving one of the earliest records of the historical figure. The Decline of Rome :

: Roman troops officially withdrew from Britain, leaving the region to be settled by Anglo-Saxons and leading to a period of economic and cultural decline. [401-450]

: The Vandals captured Carthage in 439, establishing it as their capital and further weakening Roman naval control in the Mediterranean. : He ordered the building of the Church

: By 450 AD, the Huns had become a dominant force. A famous incident involved Honoria, sister of Emperor Valentinian III, sending an engagement ring to Attila the Hun, effectively inviting him to invade the West. Modern Technical & Regulatory Contexts : By 450 AD, the Huns had become a dominant force

In modern usage, "401–450" frequently appears in specific administrative and regulatory frameworks. 401 Area Code - Location map, time zone, and phone lookup

: The promulgation of the Theodosian Law Code in 438, which collected all imperial laws since 312.