Centuries: 5th century BC - 4th century BC - 3rd century BC

Decades: 440s BC 430s BC 420s BC 410s BC 400s BC - 390s BC - 380s BC 370s BC 360s BC 350s BC 340s BC

Years: 399 BC 398 BC 397 BC 396 BC 395 BC - 394 BC - 393 BC 392 BC 391 BC 390 BC 389 BC

Events

• Battle of Coronea: Agesilaus, king of Sparta, defeats a Greek coalition army
• Battle of Cnidus: The Spartan fleet under Peisander is utterly destroyed by the Persian-Athenian fleet of Conon

Births

• Alexis, comic poet

Deaths