History of the Peloponnesian War

So they came forth, they and their wives and their children. And the Athenians, for hatred they bore to the Lacedaemonians, received them and put them into Naupactus; which city they had lately taken from the Locrians of Ozolae.

The Megareans also revolted from the Lacedaemonians and came to the league of the Athenians because they were holden down by the Corinthians with a war about the limits of their territories. Whereupon Megara and Pegae were put into the hands of the Athenians, who built for the Megareans the long walls from the city to Nisaea and maintained them with a garrison of their own. And from hence it was chiefly that the vehement hatred grew of the Corinthians against the Athenians.