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