History of the Peloponnesian War

Having thus exhorted one another, they then immediately sent back home Pisander and half the ambassadors, to manage matters there; with instructions also to establish oligarchy in such of the subject cities as they touched at: the other half they sent to the rest of the places subject to them, some in one direction and some in another.

They also dismissed to his government Diotrephes, who was in the neighbourhood of Chios, but had been elected to take the command of the countries Thraceward. He, on his arrival at Thasos, abolished the democratical government;

but about two months after his departure the Thasians began to fortify their city, as wanting no more aristocracy in conjunction with the Athenians, but daily looking for liberty to be given them by the Lacedaemonians.

For indeed there was a party of them with the Peloponnesians which had been expelled by the Athenians, and which, in concert with their friends in the city, was exerting itself with all its might to bring a squadron, and effect the revolt of Thasos. They had the fortune, then, to find what they most wished, namely, the city brought to the right side without any danger, and the democratical party deposed, which had been likely to prove an obstacle.