[401-450] Now

The era between 401 and 450 AD was a transformative period marked by political instability and the reshaping of world maps.

: One of the longest-reigning Roman emperors, Theodosius II ruled from 402 until his death in 450. He is most famous for:

: 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 [401-450]

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

: 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 : The era between 401 and 450 AD was

: The massive fortification of Constantinople that protected the city for over a millennium.

: The Visigoths, led by Alaric , sacked Rome for the first time in 800 years, signaling the empire's vulnerability. A famous incident involved Honoria, sister of Emperor

: 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.