Centuries: 6th century BC - 5th century BC - 4th century BC
Decades: 530s BC 520s BC 510s BC 500s BC 490s BC - 480s BC - 470s BC 460s BC 450s BC 420s BC 430s BC
Years: 491 BC 490 BC 489 BC 488 BC 487 BC - 486 BC - 485 BC 484 BC 483 BC 482 BC 481 BC
