For alternate uses, see Number 400.

Years: 396 397 398 399 - 400 - 401 402 403 404

Decades: 370s 380s 390s - 400s - 410s 420s 430s

Centuries: 3rd century - 4th century - 5th century

Events

• First invasion of Italy by Alaric (probable date).
• The Vandals start their westward trek from Dacia and Hungary (approximate date).
• Construction (and therefore occupation) at Great Zimbabwe begins (approximate date).
• Earliest date of human occupation on Easter Island (approximate date).
• Chrysanthemums are introduced to Japan (approximate date).

Births

• Hydatius, bishop of Chaves
• Salvian, Christian writer (approximate date)

Deaths

af:400 bg:400 bs:400 ca:400 de:400 es:400 eo:400 eu:400 fr:400 ko:400년 hr:400 it:400 la:400 lb:400 nl:400 no:400 pl:400 pt:400 ro:400 ru:400 sl:400 sr:400 fi:400 sv:400 uk:400 zh:400年