Centuries: 4th century - 5th century - 6th century
Decades: 350s 360s 370s 380s 390s - 400s - 410s 420s 430s 440s 450s
Years: 396 397 398 399 400 - 401 - 402 403 404 405 406
Events:
- Pope Innocent I succeeds Pope Anastasius I.
- The Vandals start their westward trek from Dacia and Hungary (or 400).
- The Visigoths begin to attack the northernmost reaches of Italy, causing destruction in the countryside.
- Kumarajiva arrives in Changan.
- Theodosius II, East Roman Emperor.
- Aelia Eudocia, wife of Theodosius II
For Greece's 401 GSNA general military hospital of Athens, see Military of Greece.