3. Sparta undertakes an expedition against Phocis in behalf of the Doric Tetrapolis.
In the spring, war of Athens with the maritime powers of Peloponnesus. Battles at Haliæ and Cecryphalea.
In Munychion. The Pythian games. Aristomenes of Ægina victorious.
Pindar's eighth Pythian ode may be referred to this time.
The Æginetans are defeated by the Athenians, and Ægina besieged.
The Peloponnesians attempt to relieve the island, and encounter the Athenians in the Megarid.
4. League of the Spartans on their return with Thebes.
Victory of the Spartans and Thebans over the Athenians and Argives at Tanagra.
Four months' truce between Sparta and Athens.
Expedition of Myronides (sixty days after the battle of Tanagra) and victory at Coronea.