Decades: 540s BC 530s BC 520s BC 510s BC 500s BC - 490s BC - 480s BC 470s BC 460s BC 450s BC 440s BC
499 BC - 498 BC - 497 BC 496 BC 495 BC 494 BC 493 BC
Deaths
Events
... will not simply fall over, but start precessing around. (The precessing motion is perpendicular to the torque trying to make the gyro fall over.) The axis of th ...