Centuries: 6th century BC -

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

Decades: 460s BC 450s BC 440s BC 430s BC 420s BC - **410s BC** - 400s BC 390s BC 380s BC 370s BC 360s BC

Years: 421 BC 420 BC 419 BC 418 BC 417 BC - **416 BC** - 415 BC 414 BC 413 BC 412 BC 411 BC

**Births**

**Deaths**

**Events**

- Alcibiades makes plans, is restored to power