Decades: 480s BC 470s BC 460s BC 450s BC 440s BC - **430s BC** - 420s BC 410s BC 400s BC 390s BC 380s BC

Years: 435 BC 434 BC 433 BC 432 BC 431 BC - **430 BC** - 429 BC 428 BC 427 BC 426 BC 425 BC

- Athens suffers a major pestilence.

- Empedocles, Greek philosopher (estimated date).
- Phidias, Greek sculptor (estimated date).
- Zeno of Elea, Greek philosopher (estimated date).