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

Years: 419 BC 418 BC 417 BC 416 BC 415 BC - **414 BC** - 413 BC 412 BC 411 BC 410 BC 409 BC

- Nicias led attack by Athenians on Syracuse (see Sicilian Expedition)