Thermopylae
Chapter 8 (3 references)
Meanwhile Sitalces opened negotiations with Perdiccas on the objects of his expedition; and finding that the Athenians, not believing that he would come, did not appear with their fleet, though they sent presents and envoys, dispatched a large part of his army against the Chalcidians and Bottiaeans, and shutting them up inside their walls laid waste their country. While he remained in these parts, the people farther south, such as the Thessalians, Magnetes, and the other tribes subject to the Thessalians, and the Hellenes as far as Thermopylae, all feared that the army might advance against them, and prepared accordingly. These fears were shared by the Thracians beyond the Strymon to the north, who inhabited the plains, such as the Panaeans, the Odomanti, the Droi, and the Dersaeans, all of whom are independent. It was even matter of conversation among the Hellenes who were enemies of Athens whether he might not be invited by his ally to advance also against them. Meanwhile he held Chalcidice and Bottice and Macedonia, and was ravaging them all; but finding that he was not succeeding in any of the objects of his invasion, and that his army was without provisions and was suffering from the severity of the season, he listened to the advice of Seuthes, son of Spardacus, his nephew and highest officer, and decided to retreat without delay. This Seuthes had been secretly gained by Perdiccas by the promise of his sister in marriage with a rich dowry. In accordance with this advice, and after a stay of thirty days in all, eight of which were spent in Chalcidice, he retired home as quickly as he could; and Perdiccas afterwards gave his sister Stratonice to Seuthes as he had promised. Such was the history of the expedition of Sitalces.
Chapter 11 (3 references)
About this time the Lacedaemonians founded their colony of Heraclea in Trachis, their object being the following: the Malians form in all three tribes, the Paralians, the Hiereans, and the Trachinians. The last of these having suffered severely in a war with their neighbours the Oetaeans, at first intended to give themselves up to Athens; but afterwards fearing not to find in her the security that they sought, sent to Lacedaemon, having chosen Tisamenus for their ambassador. In this embassy joined also the Dorians from the mother country of the Lacedaemonians, with the same request, as they themselves also suffered from the same enemy. After hearing them, the Lacedaemonians determined to send out the colony, wishing to assist the Trachinians and Dorians, and also because they thought that the proposed town would lie conveniently for the purposes of the war against the Athenians. A fleet might be got ready there against Euboea, with the advantage of a short passage to the island; and the town would also be useful as a station on the road to Thrace. In short, everything made the Lacedaemonians eager to found the place. After first consulting the god at Delphi and receiving a favourable answer, they sent off the colonists, Spartans, and Perioeci, inviting also any of the rest of the Hellenes who might wish to accompany them, except Ionians, Achaeans, and certain other nationalities; three Lacedaemonians leading as founders of the colony, Leon, Alcidas, and Damagon. The settlement effected, they fortified anew the city, now called Heraclea, distant about four miles and a half from Thermopylae and two miles and a quarter from the sea, and commenced building docks, closing the side towards Thermopylae just by the pass itself, in order that they might be easily defended.
Chapter 12 (3 references)
The struggle began to seem endless, when the commander of the Messenians came to Cleon and Demosthenes, and told them that they were losing their labour: but if they would give him some archers and light troops to go round on the enemy's rear by a way he would undertake to find, he thought he could force the approach. Upon receiving what he asked for, he started from a point out of sight in order not to be seen by the enemy, and creeping on wherever the precipices of the island permitted, and where the Lacedaemonians, trusting to the strength of the ground, kept no guard, succeeded after the greatest difficulty in getting round without their seeing him, and suddenly appeared on the high ground in their rear, to the dismay of the surprised enemy and the still greater joy of his expectant friends. The Lacedaemonians thus placed between two fires, and in the same dilemma, to compare small things with great, as at Thermopylae, where the defenders were cut off through the Persians getting round by the path, being now attacked in front and behind, began to give way, and overcome by the odds against them and exhausted from want of food, retreated.