Centuries: 6th century BC -

**5th century BC**- 4th century BC

Decades: 450s BC 440s BC 430s BC 420s BC 410s BC - **400s BC** - 390s BC 380s BC 370s BC 360s BC 350s BC

409 BC 408 BC 407 BC 406 BC 405 BC 404 BC 403 BC 402 BC 401 BC 400 BC

**Events and Trends**