History of the Peloponnesian War

Thus spake Brasidas. The Acanthians, after much said on either side, partly for that which Brasidas had effectually spoken and partly for fear of their fruits abroad, the most of them decreed to revolt from the Athenians, having given their votes in secret. And when they had made him take the same oath which the Lacedaemonian magistrates took when they sent him out, namely, that what confederates soever he should join to the Lacedaemonians should enjoy their own laws, they received his army into the city.

And not long after revolted Stageirus, another colony of the Andrians. And these were the acts of this summer.