: The promulgation of the Theodosian Law Code in 438, which collected all imperial laws since 312.
: The Visigoths, led by Alaric , sacked Rome for the first time in 800 years, signaling the empire's vulnerability. [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 : The promulgation of the Theodosian Law Code
: One of the longest-reigning Roman emperors, Theodosius II ruled from 402 until his death in 450. He is most famous for: 401 Area Code - Location map, time zone,
: 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.
The era between 401 and 450 AD was a transformative period marked by political instability and the reshaping of world maps.