History of the Peloponnesian War

For at Samos the oligarchy was already made the subject of new measures, and the following events happened at the very time that the Four Hundred were conspiring.

Those of the Samians who had risen up against the aristocratical party, and constituted the commons, turning round again, and being prevailed upon by Pisander on his arrival, and by the Athenians who were in the conspiracy at Samos, both bound themselves by oaths to the number of three hundred, and were prepared to attack the rest, as forming the democratical party.