History of the Peloponnesian War

These, when they came into office, took a view of the arms, and disposing bands of soldiers in divers quarters of the city, picked out of their enemies and of those that seemed most to have co-operated in the treason with the Athenians, about a hundred persons; and having constrained the people to give their sentence upon them openly, when they were condemned slew them, and established in the city the estate almost of an oligarchy.

And this change of government, made by a few upon sedition, did nevertheless continue for a long time after.