Decades: 540s BC 530s BC 520s BC 510s BC 500s BC - **490s BC** - 480s BC 470s BC 460s BC 450s BC 440s BC

Years: 499 BC 498 BC 497 BC 496 BC - **495 BC** - 494 BC 493 BC 492 BC 491 BC 490 BC

**Events**

- Temple to Mercury on the Circus Maximus in Rome is built.

- Pericles, Athenian politician (+ 429 BC).
- Zeno of Elea, Greek philosopher (+ circa 430 BC) (estimated date).