401 BC

Centuries: 6th century BC - 5th century BC - 4th century BC

Decades: 450s BC 440s BC 430s BC 420s BC 410s BC - 400s BC - 390s BC 380s BC 370s BC 360s BC 350s BC

Years: 406 BC 405 BC 404 BC 403 BC 402 BC - 401 BC - 400 BC 399 BC 398 BC 397 BC 396 BC

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Events

• Agesilaus II becomes king of Sparta
• Battle of Cunaxa: Cyrus the Younger revolts against Artaxerxes II of Persia with the help of ten thousand Greek mercenaries but is defeated. Xenophon leads the surviving Greeks in a retreat home.
• Zhou an wang becomes King of the Zhou Dynasty of China.

Deaths

• Clearchus of Sparta, Greek mercenary
• Cyrus the Younger
• Thucydides, Greek historian (approximate year)