The era between 401 and 450 AD was a transformative period marked by political instability and the reshaping of world maps.
In modern usage, "401–450" frequently appears in specific administrative and regulatory frameworks. 401 Area Code - Location map, time zone, and phone lookup
: 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.
: The promulgation of the Theodosian Law Code in 438, which collected all imperial laws since 312. The era between 401 and 450 AD was
: One of the longest-reigning Roman emperors, Theodosius II ruled from 402 until his death in 450. He is most famous for:
: The massive fortification of Constantinople that protected the city for over a millennium. : The Vandals captured Carthage in 439, establishing
: 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