History of the Peloponnesian War

The following summer, the inhabitants of Dium on Athos revolted from the Athenians to the Chalcidians; and the Lacedaemonians settled the affairs of Achaia, which before had not been suitable to their views.

And now the commons party at Argos, gradually combining and recovering their spirits, made an attack upon the oligarchical party, having watched their opportunity, when it was just the time of the Lacedaemonian Gymnopaediae. And a battle having been fought in the city, the commons gained the victory, and slew some of them, and banished others.