For alternate uses, see Number 400.

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