Centuries: 6th century BC - 5th century BC - 4th century BC
- The Four Hundred take over in Athens, abolishing the democracy, but their rule lasts only four months.
- Alcibiades returns to Athens.
- Battle of Cynossema - The Athenian fleet under Thrasybulus and Thrasylus defeats the Spartan fleet.
- The anti-war comedy Lysistrata is written by Aristophenes