We now enter upon the period when, for the first time, Thebes begins to step out of the rank of secondary powers, and gradually raises herself into a primary and ascendant city in Grecian politics. Throughout the Peloponnesian war, the Thebans had shown themselves excellent soldiers, both on horseback and on foot, as auxiliaries to Sparta. But now the city begins to have a policy of its own, and individual citizens of ability become conspicuous. While waiting for Pelopidas and Epaminondas, with whom we shall presently become acquainted, we have at the present moment Ismenias; a wealthy Theban, a sympathizer with Thrasybulus and the Athenian exiles eight years before, and one of the great organizers of the present anti-Spartan movement; a man, too, honored by his political enemies,[568] when they put him to death fourteen years afterwards, with the title of “a great wicked man,”—the same combination of epithets which Clarendon applies to Oliver Cromwell.

It was Ismenias, who, at the head of a body of Bœotians and Argeians, undertook an expedition to put down the Spartan influence in the regions north of Bœotia. At Pharsalus in Thessaly, the Lacedæmonians had an harmost and garrison; at Pheræ, Lykophron the despot was their ally; while Larissa, with Medius the despot, was their principal enemy. By the aid of the Bœotians, Medius was now enabled to capture Pharsalus; Larissa, with Krannon and Skotusa, was received into the Theban alliance,[569] and Ismenias obtained also the more important advantage of expelling the Lacedæmonians from Herakleia. Some malcontents, left after the violent interference of the Spartan Herippidas two years before, opened the gates of Herakleia by night to the Bœotians and Argeians. The Lacedæmonians in the town were put to the sword, but the other Peloponnesian colonists were permitted to retire in safety; while the old Trachinian inhabitants, whom the Lacedæmonians had expelled to make room for their new settlers, together with the Œtæans, whom they had driven out of the districts in the neighborhood,—were now called back to repossess their original homes.[570] The loss of Herakleia was a serious blow to the Spartans in those regions,—protecting Eubœa in its recent revolt from them, and enabling Ismenias to draw into his alliance the neighboring Malians, Ænianes, and Athamanes,—tribes stretching along the valley of the Spercheius westward to the vicinity of Pindus. Assembling additional troops from these districts (which, only a few months before, had supplied an army to Lysander[571]), Ismenias marched against the Phokians, among whom the Spartan Lakisthenes had been left as harmost in command. After a severe battle, this officer with his Phokians was defeated near the Lokrian town of Naryx; and Ismenias came back victorious to the synod at Corinth.[572]

By such important advantages, accomplished during the winter of 395-394 B.C., the prospects of Grecian affairs as they stood in the ensuing spring became materially altered. The allies assembled at Corinth, full of hope, and resolved to levy a large combined force to act against Sparta; who on her side seemed to be threatened with the loss of all her extra-Peloponnesian land-empire. Accordingly, the ephors determined to recall without delay Agesilaus with his army from Asia, and sent Epikydidas with orders to that effect. But even before this reinforcement could arrive, they thought it expedient to muster their full Peloponnesian force and to act with vigor against the allies at Corinth, who were now assembling in considerable numbers. Aristodemus,—guardian of the youthful king Agesipolis son of Pausanias, and himself of the Eurystheneid race,—marched at the head of a body of six thousand Lacedæmonian hoplites;[573] the Spartan xenâgi (or officers sent on purpose to conduct the contingents from the outlying allies), successively brought in three thousand hoplites from Elis, Triphylia, Akroreia, and Lasion,—fifteen hundred from Sikyon,—three thousand from Epidaurus, Trœzen, Hermionê, and Halieis. None were sent from Phlias, on the plea (true or false[574]) that in that city the moment was one of solemnity and holy truce. There were also hoplites from Tegea, Mantineia, and the Achæan towns, but their number is not given; so that we do not know the full muster-roll on the Lacedæmonian side. The cavalry, six hundred in number, were all Lacedæmonian; there were, moreover, three hundred Kretan bowmen,—and four hundred slingers from different rural districts of Triphylia.[575]

The allied force of the enemy was already mustered near Corinth; six thousand Athenian hoplites,—seven thousand Argeian,—five thousand Bœotian, those from Orchomenus being absent,—three thousand Corinthian,—three thousand from the different towns of Eubœa; making twenty-four thousand in all. The total of cavalry was fifteen hundred and fifty; composed of eight hundred Bœotian, six hundred Athenian, one hundred from Chalkis in Eubœa, and fifty from the Lokrians. The light troops also were numerous,—partly Corinthian, drawn probably from the serf-population which tilled the fields,[576]—partly Lokrians, Malians, and Akarnanians.

The allied leaders, holding a council of war to arrange their plans, came to a resolution that the hoplites should not be drawn up in deeper files than sixteen men,[577] in order that there might be no chance of their being surrounded; and that the right wing, carrying with it command for the time, should be alternated from day to day between the different cities. The confidence which the events of the last few months had infused into these leaders, now for the first time acting against their old leader Sparta, is surprising. “There is nothing like marching to Sparta (said the Corinthian Timolaus) and fighting the Lacedæmonians at or near their own home. We must burn out the wasps in their nest, without letting them come forth to sting us. The Lacedæmonian force is like that of a river; small at its source, and becoming formidable only by the affluents which it receives, in proportion to the length of its course.”[578] The wisdom of this advice was remarkable; but its boldness was yet more remarkable, when viewed in conjunction with the established feeling of awe towards Sparta. It was adopted by the general council of the allies; but unfortunately the time for executing it had already passed; for the Lacedæmonians were already in march and had crossed their own border. They took the line of road by Tegea and Mantineia (whose troops joined the march), and advanced as far as Sikyon, where probably all the Arcadian and Achæan contingents were ordered to rendezvous.

The troops of the confederacy had advanced as far as Nemea when they learnt that the Lacedæmonian army was at Sikyon; but they then altered their plan, and confined themselves to the defensive. The Lacedæmonians on their side crossed over the mountainous post called Epieikia, under considerable annoyance from the enemy’s light troops, who poured missiles upon them from the high ground. But when they had reached the level country, on the other side, along the shore of the Saronic Gulf, where they probably received the contingents from Epidaurus, Trœzen, Hermionê, and Halieis,—the whole army thus reinforced marched forward without resistance, burning and ravaging the cultivated lands. The confederates retreated before them, and at length took up a position close to Corinth, amidst some rough ground with a ravine in their front.[579] The Lacedæmonians advanced forward until they were little more than a mile distant from this position, and there encamped.

After an interval seemingly of a few days, the Bœotians, on the day when their turn came to occupy the right wing and to take the lead, gave the signal for battle.[580] The Lacedæmonians, prevented by the wooded ground from seeing clearly, were only made aware of the coming attack by hearing the hostile pæan. Taking order of battle immediately, they advanced forward to meet the assailants when within a furlong of their line. In each army, the right division took the lead,—slanting to the right, or keeping the left shoulder forward, according to the tendency habitual with Grecian hoplites, through anxiety to keep the right or unshielded side from being exposed to the enemy, and at the same time to be protected by the shield of a right-hand neighbor.[581] The Lacedæmonians in the one army, and the Thebans in the other, each inclined themselves, and caused their respective armies to incline also, in a direction slanting to the right, so that the Lacedæmonians on their side considerably outflanked the Athenians on the opposite left. Out of the ten tribes of Athenian hoplites, it was only the six on the extreme left who came into conflict with the Lacedæmonians; while the remaining four contended with the Tegeans who stood next to the Lacedæmonians on their own line. But the six extreme Athenian tribes were completely beaten, and severely handled, being taken in flank as well as in front by the Lacedæmonians. On the other hand, the remaining four Athenian tribes vanquished and drove before them the Tegeans; and generally, along all the rest of the line, the Thebans, Argeians, and Corinthians were victorious,—except where the troops of the Achæan Pellênê stood opposed to those of the Bœotian Thespiæ, where the battle was equal and the loss severe on both sides. The victorious confederates, however, were so ardent and incautious in pursuit, as to advance a considerable distance and return with disordered ranks; while the Lacedæmonians, who were habitually self-restraining in this particular, kept their order perfectly, attacking the Thebans, Argeians, and Corinthians to great advantage when returning to their camp. Several of the Athenian fugitives obtained shelter within the walls of Corinth; in spite of the opposition of the philo-Laconian Corinthians, who insisted upon shutting the gates against them, and opening negotiations with Sparta. The Lacedæmonians however came so near that it was at last thought impossible to keep the gates open longer. Many of the remaining confederates were therefore obliged to be satisfied with the protection of their ancient camp;[582] which seems, however, to have been situated in such defensible ground,[583] that the Lacedæmonians did not molest them in it.

So far as the Lacedæmonians separately were concerned, the battle of Corinth was an important victory, gained (as they affirmed) with the loss of only eight men, and inflicting heavy loss upon the Athenians in the battle, as well as upon the remaining confederates in their return from pursuit. Though the Athenian hoplites suffered thus severely, yet Thrasybulus their commander,[584] who kept the field until the last, with strenuous efforts to rally them, was not satisfied with their behavior. But on the other hand, all the allies of Sparta were worsted, and a considerable number of them slain. According to Diodorus, the total loss on the Lacedæmonian side was eleven hundred; on the side of the confederates twenty-eight hundred.[585] On the whole, the victory of the Lacedæmonians was not sufficiently decisive to lead to important results, though it completely secured their ascendency within Peloponnesus. We observe here, as we shall have occasion to observe elsewhere, that the Peloponnesian allies do not fight heartily in the cause of Sparta. They seem bound to her more by fear than by affection.