physics - 400

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).