[401-450] Now

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

: The Visigoths, led by Alaric , sacked Rome for the first time in 800 years, signaling the empire's vulnerability. : The Visigoths, led by Alaric , sacked

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

: 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.

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