The Athenians also immediately received the news of the revolt of the cities. On being informed that Aristeus and his reinforcements were on their way, they sent two thousand heavy infantry of their own citizens and forty ships against the places in revolt, under the command of Callias, son of Calliades, and four colleagues. They arrived in Macedonia first, and found the force of a thousand men that had been first sent out, just become masters of Therme and besieging Pydna. Accordingly they also joined in the investment, and besieged Pydna for a while. Subsequently they came to terms and concluded a forced alliance with Perdiccas, hastened by the calls of Potidaea and by the arrival of Aristeus at that place. They withdrew from Macedonia, going to Beroea and thence to Strepsa, and, after a futile attempt on the latter place, they pursued by land their march to Potidaea with three thousand
heavy infantry of their own citizens, besides a number of their allies, and six hundred Macedonian horsemen, the followers of Philip and Pausanias. With these sailed seventy ships along the coast. Advancing by short marches, on the third day they arrived at Gigonus, where they encamped.
Meanwhile the Potidaeans and the Peloponnesians with Aristeus were encamped on the side looking towards Olynthus on the isthmus, in expectation of the Athenians, and had established their market outside the city. The allies had chosen Aristeus general of all the infantry; while the command of the cavalry was given to Perdiccas, who had at once left the alliance of the Athenians and gone back to that of the Potidaeans, having deputed Iolaus as his general: The plan of Aristeus was to keep his own force on the isthmus, and await the attack of the Athenians; leaving the Chalcidians and the allies outside the isthmus, and the two hundred cavalry from Perdiccas in Olynthus to act upon the Athenian rear, on the occasion of their advancing against him; and thus to place the enemy between two fires. While Callias the Athenian general and his colleagues dispatched the Macedonian horse and a few of the allies
to Olynthus, to prevent any movement being made from that quarter, the Athenians themselves broke up their camp and marched against Potidaea. After they had arrived at the isthmus, and saw the enemy preparing for battle, they formed against him, and soon afterwards engaged. The wing of Aristeus, with the Corinthians and other picked troops round him, routed the wing opposed to
it, and followed for a considerable distance in pursuit. But the rest of the army of the Potidaeans and of the Peloponnesians was defeated by the Athenians, and took refuge within the fortifications. Returning from the pursuit, Aristeus perceived the defeat of the rest of the army. Being at a loss which of the two risks to choose, whether to go to Olynthus or to Potidaea, he at last determined to draw his men into as small a space as possible, and force his way with a run into Potidaea. Not without difficulty, through a storm of missiles, he passed along by the breakwater through the sea, and brought off most of his men safe, though a few were lost. Meanwhile the auxiliaries of the Potidaeans from Olynthus, which is about seven miles off and in sight of Potidaea, when the battle began and the signals were raised, advanced a little way to render assistance; and the Macedonian horse formed against them to prevent
it. But on victory speedily declaring for the Athenians and the signals being taken down, they retired back within the wall; and the Macedonians returned to the Athenians. Thus there were no cavalry present on either side. After the battle the Athenians set up a trophy, and gave back their dead to the Potidaeans under truce. The Potidaeans and their allies had close upon three hundred killed; the Athenians a hundred and fifty of their own citizens, and Callias their general.
The wall on the side of the isthmus had now works at once raised against it, and manned by the Athenians. That on the side of Pallene had no works raised against it. They did not think themselves strong enough at once to keep a garrison in the isthmus and to cross over to Pallene and raise works there; they were afraid that the Potidaeans and their allies might take advantage of their division to attack them. Meanwhile the Athenians at home learning that there were no works at Pallene, some time afterwards sent off sixteen hundred heavy infantry of their own citizens under the command of Phormio, son of Asopius. Arrived at Pallene, he fixed his headquarters at Aphytis, and led his army against Potidaea by short marches, ravaging the country as he advanced. No one venturing to meet him in the field, he raised works against the wall on the side of Pallene. So at length Potidaea was strongly invested on either side, and from the sea by the ships co-operating in the blockade. Aristeus, seeing its investment complete, and having no hope of
its salvation, except in the event of some movement from the Peloponnese, or of some other improbable contingency, advised all
except five hundred to watch for a wind and sail out of the place, in order that their provisions might last the longer. He was willing
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to be himself one of those who remained. Unable to persuade them, and desirous of acting on the next alternative, and of having things outside in the best posture possible, he eluded the guardships of the Athenians and sailed out. Remaining among the Chalcidians, he continued to carry on the war; in particular he laid an ambuscade near the city of the Sermylians, and cut off many of them; he also communicated with Peloponnese, and tried to contrive some method by which help might be brought. Meanwhile, after the completion of the investment of Potidaea, Phormio next employed his sixteen hundred men in ravaging Chalcidice and Bottica: some of the towns also were taken by him.
CHAPTER III
Congress of the Peloponnesian Confederacy at Lacedaemon
The Athenians and Peloponnesians had these antecedent grounds of complaint against each other: the complaint of Corinth was that her colony of Potidaea, and Corinthian and Peloponnesian citizens within it, were being besieged; that of Athens against the Peloponnesians that they had incited a town of hers, a member of her alliance and a contributor to her revenue, to revolt, and had come and were openly fighting against her on the side of the Potidaeans. For all this, war had not yet broken out: there was still truce for a while; for this was a private enterprise on the part of Corinth.
But the siege of Potidaea put an end to her inaction; she had men inside it: besides, she feared for the place. Immediately summon-ing the allies to Lacedaemon, she came and loudly accused Athens of breach of the treaty and aggression on the rights of Peloponnese. With her, the Aeginetans, formally unrepresented from fear of Athens, in secret proved not the least urgent of the advocates for war, asserting that they had not the independence guaranteed to them by the treaty. After extending the summons to any of their allies and others who might have complaints to make of Athenian aggression, the Lacedaemonians held their ordinary assembly,
and invited them to speak. There were many who came forward and made their several accusations; among them the Megarians, in
a long list of grievances, called special attention to the fact of their exclusion from the ports of the Athenian empire and the market of Athens, in defiance of the treaty. Last of all the Corinthians came forward, and having let those who preceded them inflame the Lacedaemonians, now followed with a speech to this effect:
"Lacedaemonians! the confidence which you feel in your constitution and social order, inclines you to receive any reflections of ours on other powers with a certain scepticism. Hence springs your moderation, but hence also the rather limited knowledge which you betray in dealing with foreign politics. Time after time was our voice raised to warn you of the blows about to be dealt us by Athens, and time after time, instead of taking the trouble to ascertain the worth of our communications, you contented yourselves with suspecting the speakers of being inspired by private interest. And so, instead of calling these allies together before the blow fell, you have delayed to do so till we are smarting under it; allies among whom we have not the worst title to speak, as having the greatest complaints to make, complaints of Athenian outrage and Lacedaemonian neglect. Now if these assaults on the rights of Hellas had been made in the dark, you might be unacquainted with the facts,