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: 412 BC 411 BC 410 BC 409 BC 408 BC - 407 BC - 406 BC 405 BC 404 BC 403 BC 402 BC
- Alcibiades returns to Athens and is elected general.
- Thrasybulus recaptures Abdera and Thasos.
- Spartan commander Lysander starts building a fleet at Ephesus.
- Lysander defeats Athenian fleet off Notium.