thumbnail of Thermopylae areaWith the Persian army approaching from the north, the Greeks realize their situation is increasingly dire. The Spartans and Athenians try to muster their forces, sending out an appeal to other city states all across the Greek mainland to join them and make a stand at the narrow pass called Thermopylae, the Hot Gates. As you read the following narrative of Thermopylae from Herodotus' Histories you can follow the progress of the battle using these maps. If you have seen the movie 300 or read the graphic novel by Frank Miller, compare the modern version with the story of the battle told by Herodotus, the father of History.

Passages from Herodotus’ Histories in the EDSITEment LaunchPads are based on the English translation by George Rawlinson (1858-60).

Maps of Greece and the Battle of Thermopylae

The Greeks Prepare for Battle

thumbnail of Greek hopliteThe Greek city states were more accustomed to fighting among themselves than standing united against a common enemy. Herodotus describes how on this occasion representatives came from different regions, in groups of various sizes, to join with the Spartans in common defense of their country.

Herodotus Histories, 7.202

The Greeks who at Thermopylae awaited the coming of Xerxes were the following:—From Sparta, 300 men-at-arms; from Arcadia, 1,000, Tegeans and Mantineans, 500 of each people; 120 Orchomenians, from the Arcadian Orchomenus; and 1,000 from other cities: from Corinth, 400 men; from Phlius, 200; and from Mycenae 80. Such was the number from the Peloponnese. There were also present, from Boeotia, 700 Thespians and 400 Thebans.

thumbnail of Greek triremeIn the following passage, Herodotus emphasizes that other Greek allies from the region who live near Thermopylae are urged to join in the defense. Meanwhile the Athenians gather the Greek navy nearby at Artemisium.



Herodotus Histories, 7.203

Besides these troops, the Locrians of Opus and the Phocians had obeyed the call of their countrymen. The Locrians sent all the force they had, the Phocians contributed 1,000 men. For envoys had gone from the Greeks at Thermopylae among the Locrians and Phocians, to call on them for assistance, and to say, "They were themselves but the vanguard of the host, sent to precede the main body, which might every day be expected to follow them. The sea was in good keeping, watched by the Athenians, the Eginetans, and the rest of the fleet. There was no cause why they should fear; for after all the invader was not a god but a man; and there never had been, and never would be, a man who was not liable to misfortunes from the very day of his birth, and those misfortunes greater in proportion to his own greatness. The assailant therefore, being only a mortal, must needs fall from his glory." Thus urged, the Locrians and the Phocians had come with their troops to Trachis.

thumbnail of discus throwerAs you read the next passage, consider the challenges and disadvantages that the Spartan commander, Leonidas, faces. The two festivals mentioned are important ones: The Carneian festival was a festival of the god Apollo at Sparta, and the Olympic games were dedicated to Zeus. It may be helpful to remember that the Greeks believed they could not win a war without the good will of the gods.

Herodotus Histories, 7.206

The force with Leonidas was sent forward by the Spartans in advance of their main body, so that the sight of them might encourage the Greek allies to fight, and hinder them from going over to the Medes, as it was likely they might have done had they seen that Sparta was holding back. The Spartans intended presently, when they had celebrated the Carneian festival, which was what now kept them at home, to leave a garrison in Sparta, and hasten in full force to join the army. The rest of the allies also intended to act similarly; for it happened that the Olympic festival fell exactly at this same period. None of them expected to see the contest at Thermopylae decided so speedily; therefore they were content to send forward a mere advanced guard. Such were the intentions of the allies.

thumbnail of hoplitesWhen they see Xerxes’ vast army of Medes and other Persian allies approaching, the Greeks from the Peloponnesian peninsula desire a vote be taken to return home. Look at the map to see how far Thermopylae is from the narrow isthmus that connects the rest of Greece with Sparta and the surrounding region of Peloponnesia.

Herodotus' Histories, 7.207

thumbnail of Isthmus of CorinthThe Greek forces at Thermopylae, when the Persian army drew near to the entrance of the pass, were seized with fear; and a council was held to consider a retreat. It was the wish of the Peloponnesians generally that the army should fall back upon the Peloponnese, and there guard the Isthmus. But Leonidas, who saw with what indignation the Phocians and Locrians heard of this plan, gave his voice for remaining where they were, while they sent envoys to the several cities to ask for help, since they were too few to make a stand against an army like that of the Medes.

Xerxes Sends a Spy

In these next passages Herodotus describes how Xerxes sends a scout to discover the strength of the Greek defenses.

Herodotus' Histories, 7.208

thumbnail of Phocian Wall area of ThermopylaeWhile this debate was going on, Xerxes sent a mounted spy to observe the Greeks, and note how many they were, and see what they were doing. He had heard, before he came out of Thessaly, that a few men were assembled at this place, and that at their head were certain Lacedaemonians, under Leonidas, a descendant of Hercules. The horseman rode up to the camp, and looked about him, but did not see the whole army; for those who were on the further side of the wall (which had been rebuilt and was now carefully guarded) it was not possible for him to behold; but he observed those on the outside, who were encamped in front of the rampart. It chanced at this time that the Lacedaemonians held the outer guard, and were seen by the spy, some of them engaged in gymnastic exercises, others combing their long hair. At this the spy greatly marvelled, but he counted their number, and when he had taken accurate note of everything, he rode back quietly; for no one pursued after him, nor paid any heed to his visit. So he returned, and told Xerxes all that he had seen. (7.208)

Remember, Demaratus, the exiled Spartan king who sought asylum at the Persian court and accompanied Xerxes on the invasion of Greece? Xerxes turns to him for an explanation of the Spartan behaviour reported by his spy.

Herodotus' Histories, 7.209

Thumbnail of Greek Phalanx

Upon hearing this report, Xerxes, who had no means of surmising the truth—namely, that the Spartans were preparing to do or die manfully—but thought it laughable that they should be engaged in such employments, sent and called to his presence Demaratus the son of Ariston, who still remained with the army. When Demaratus appeared, Xerxes told him all that he had heard, and questioned him concerning the news, since he was anxious to understand the meaning of such behavior on the part of the Spartans. Then Demaratus said,

“I spoke to you earlier, O king! concerning these men, when we had just begun our march upon Greece; you, however, only laughed at my words, when I told you of all this, which I saw would come to pass. I struggle earnestly to speak truth to you at all times, sire; and now listen to it once more: These men have come to dispute the pass with us, and it is for this that they are now making ready. It is their custom, when they are about to hazard their lives, to adorn their heads with care. Be assured, however, that if you can subdue the men who are here and the Lacedaemonians who remain in Sparta, there is no other nation in all the world which will venture to lift a hand in their defence. You have now to deal with the first kingdom and town in Greece, and with the bravest men.”

Then Xerxes, to whom what Demaratus said seemed altogether to surpass belief, asked further “how it was possible for so small an army to contend with us?” “O king!” Demaratus answered, “let me be treated as a liar, if matters fall not out as I say.”

Xerxes Decides to Fight

Thumbnail of Persian army formation map

Finally, on August 18, 480* BCE, Xerxes launches his attack. As you read the following passages, pay particular attention to the way Herodotus describes the fighting and the ways the Persians and the Greeks engage in battle. Study the map and this time sequence animation to get a sense of the terrain where the battle is being fought.

*The actual dates of the battle are disputed. Some scholars say it was later in August, others as late as September 18-20.



Herodotus' Histories, 7.210

But Xerxes was not persuaded any the more. Four whole days he suffered to go by, expecting that the Greeks would run away. When, however, he found on the fifth that they were not gone, thinking that their firm stand was mere impudence and recklessness, he grew angry, and sent against them the Medes and Cissians, with orders to take them alive and bring them into his presence. Then the Medes rushed forward and charged the Greeks, but fell in vast numbers: others however took the places of the slain, and would not be beaten off, though they suffered terrible losses. In this way it became clear to all, and especially to the king, that though he had plenty of combatants, he had but very few warriors. The struggle, however, continued during the whole day.

Thumbnail of Greek PhalanxThe heavily armed Greek infantry (known as hoplites) were trained to fight in disciplined, close formation known as a phalanx Once it is clear that the Medes and Cissians will not be able to prevail, Xerxes deploys the famous Immortals It is still the first day of the battle.



Herodotus' Histories, 7.211

thumbnail of Thermopylae areaThen the Medes, having met so rough a reception, withdrew from the fight; and their place was taken by the band of Persians under Hydarnes, whom the king called his "Immortals": they, it was thought, would soon finish the business. But when they joined battle with the Greeks, it was with no better success than the Median detachment—things went much as before—the two armies fighting in a narrow space, and the barbarians using shorter spears than the Greeks, and having no advantage from their numbers. The Lacedaemonians fought in a way worthy of note, and showed themselves far more skilful in fight than their adversaries, often turning their backs, and making as though they were all flying away, on which the barbarians would rush after them with much noise and shouting. Then the Spartans at their approach would wheel around and face their pursuers, in this way destroying vast numbers of the enemy. Some Spartans likewise fell in these encounters, but only a very few. At last the Persians, finding that all their efforts to gain the pass availed nothing, and that, whether they attacked by divisions or in any other way, it was to no purpose, withdrew to their own quarters.

The Second Day: Same as the First

On the second day of the Persian attack. Herodotus tells us that despite the overwhelming numerical superiority of the Persians, Xerxes fears for his army, which seems to be making no progress against the Greeks.

Herodotus' Histories, 7.212

During these assaults, it is said that Xerxes, who was watching the battle, three times leaped from the throne on which he sat, in terror for his army. Next day the combat was renewed, but with no better success on the part of the barbarians. The Greeks were so few that the barbarians hoped to find them disabled, by reason of their wounds, from offering any further resistance; and so they once more attacked them. But the Greeks were drawn up in detachments according to their cities, and bore the brunt of the battle in turns—all except the Phocians, who had been stationed on the mountain to guard the pathway. So, when the Persians found no difference between that day and the preceding, they again retired to their quarters.

A Traitor Appears

The Greek forces knew very well that there was one very dangerous weakness in their defense of Thermopylae. Although the mountains protected them on one side and the sea on the other, there was an alternate pathway through the mountains that was well-know among the local Greek inhabitants.

Herodotus' Histories, 7.213

thermopylae passNow, as the king was in great strait, and knew not how he should deal with the emergency, Ephialtes, the son of Eurydemus, a man of Malis, came to him and was admitted to a conference. Stirred by the hope of receiving a rich reward at the king’s hands, he had come to tell him of the pathway which led across the mountain to Thermopylae; by which disclosure he brought destruction on the band of Greeks who had there withstood the barbarians. This Ephialtes afterwards, from fear of the Lacedaemonians, fled into Thessaly; and during his exile, in an assembly of the Amphictyons held at Pylae, a price was set upon his head by the Pylagorae. When some time had gone by, he returned from exile, and went to Anticyra, where he was slain by Athenades, a native of Trachis. Athenades did not slay him for his treachery, but for another reason, which I shall mention in a later part of my history: yet still the Lacedaemonians honoured Athenades none the less. Thus then did Ephialtes perish a long time afterwards.

At this point Herodotus interrupts his story of the battle to consider an alternate version of the betrayal, but casts doubt on it, because the Greeks did not desire revenge on these other traitors, but only on Ephialtes, who was the one who, as Herodotus stipulates, actually led the Persians around by the mountain pathway. (Herodotus, Histories, 7.214)

Herodotus' Histories, 7.217

the river AsoposThe Persians took this path, and, crossing the Asopus, continued their march through the whole of the night, having the mountains of Oeta on their right hand, and on their left those of Trachis. At dawn of day they found themselves close to the summit. Now the hill was guarded, as I have already said, by a thousand Phocian men-at-arms, who were placed there to defend the pathway, and at the same time to secure their own country. They had been given the guard of the mountain path, while the other Greeks defended the pass below, because they had volunteered for the service, and had pledged themselves to Leonidas to maintain the post.

A Time of Decision for the Greeks

Once they have achieved the mountain pass, the Persians are prepared to sneak up on the Greeks from behind. Meanwhile, various warnings that the end is near filter into the Greek camp. Once again they are faced with a moment of decision.

Herodotus' Histories, 7.219

Thumbnail of Leonidas bust

The Greeks at Thermopylae received the first warning of the destruction which the dawn would bring on them from the seer Megistias, who read their fate in the victims as he was sacrificing. After this deserters came in, and brought the news that the Persians were marching round by the hills: it was still night when these men arrived. Last of all, the scouts came running down from the heights, and brought in the same accounts, when the day was just beginning to break. Then the Greeks held a council to consider what they should do, and here opinions were divided: some were strong against quitting their post, while others contended to the contrary. So when the council had broken up, part of the troops departed and went their ways homeward to their several states; part however resolved to remain, and to stand by Leonidas to the last.

Now Herodotus focuses our attention on Leonidas in this moment of crisis and decision. Try to imagine how you would handle this situation if you were the Spartan commander.

Herodotus' Histories, 7.220

Thumbnail of Leonidas statue

It is said that Leonidas himself sent away the troops who departed, because he tendered their safety, but thought it unseemly that either he or his Spartans should quit the post which they had been especially sent to guard. For my own part, I incline to think that Leonidas gave the order, because he perceived the allies to be out of heart and unwilling to encounter the danger to which his own mind was made up. He therefore commanded them to retreat, but said that he himself could not draw back with honor; knowing that, if he stayed, glory awaited him, and that Sparta in that case would not lose her prosperity. For when the Spartans, at the very beginning of the war, sent to consult the oracle of Pythian Apollo concerning it, the answer which they received from the Pythoness was “that either Sparta must be overthrown by the barbarians, or one of her kings must perish.” The prophecy was delivered in hexameter verse, and ran thus:—

O ye men who dwell in the streets of broad Lacedaemon!
Either your glorious town shall be sacked by the children of Perseus,
Or, in exchange, must all through the whole Laconian country
Mourn for the loss of a king, descendant of great Heracles.
He cannot be withstood by the courage of bulls nor of lions,
Strive as they may; he is mighty as Jove; there is nought that shall stay him,
Till he have got for his prey your king, or your glorious city.

The remembrance of this answer, I think, and the wish to secure the whole glory for the Spartans, caused Leonidas to send the allies away. This is more likely than that they quarrelled with him, and took their departure in such unruly fashion (7.220).

The Battle Ends

In the end only a much reduced force is left to defend the Hot Gates: the Spartans, the Thespians, and the Thebans.

Herodotus' Histories, 7.222-223

Thumbnail of Greek Phalanx

So the allies, when Leonidas ordered them to retire, obeyed him and forthwith departed. Only the Thespians and the Thebans remained with the Spartans; and of these the Thebans were kept back by Leonidas as hostages, very much against their will. The Thespians, on the contrary, stayed entirely of their own accord, refusing to retreat, and declaring that they would not forsake Leonidas and his followers. So they remained with the Spartans, and died with them. Their leader was Demophilus, the son of Diadromes.

At sunrise Xerxes made libations, after which he waited until the time of day when the forum is accustomed to fill, and then began his advance. Ephialtes had instructed him thus, since the descent of the mountain is much quicker, and the distance much shorter, than the way round the hills, and the ascent. So the barbarians under Xerxes began to draw near; and the Greeks under Leonidas, as they now went forth determined to die, advanced much further than on previous days, until they reached the more open portion of the pass. Hitherto they had held their station within the wall, and from this had gone forth to fight at the point where the pass was the narrowest. Thumbnail of Persian army formationNow they joined battle beyond that point, and carried slaughter among the barbarians, who fell in heaps. Behind them the captains of the Persian squadrons, armed with whips, urged their men forward with continual blows. Many were thrust into the sea, and there perished; a still greater number were trampled to death by their own soldiers; no one heeded the dying. For the Greeks, reckless of their own safety and desperate, since they knew that, as the mountain had been crossed, their destruction was nigh at hand, exerted themselves with the most furious valor against the barbarians.

Herodotus' Histories, 7.224-225

Thumbnail of Leonidas statueBy this time the spears of the greater number were all shivered, and with their swords they hewed down the ranks of the Persians; and here, as they strove, Leonidas fell fighting bravely, together with many other famous Spartans, whose names I have taken care to learn on account of their great worthiness, as indeed I have those of all the three hundred. There fell too at the same time very many famous Persians: among them, two sons of Darius, Abrocomes and Hyperanthes, his children by Phratagune, the daughter of Artanes. Artanes was brother of King Darius, being a son of Hystaspes, the son of Arsames; and when he gave his daughter to the king, he made him heir likewise of all his substance; for she was his only child. (7.224)

Thus two brothers of Xerxes here fought and fell. And now there arose a fierce struggle between the Persians and the Lacedaemonians over the body of Leonidas, in which the Greeks four times drove back the enemy, and at last by their great bravery succeeded in bearing off the body. This combat was scarcely ended when the Persians with Ephialtes approached; and the Greeks, informed that they drew near, made a change in the manner of their fighting. Drawing back into the narrowest part of the pass, and retreating even behind the cross wall, they posted themselves upon a small hill, where they stood all drawn up together in one close body, except only the Thebans. The hill of which I speak is at the entrance of the straits, where the stone lion stands which was set up in honor of Leonidas. Here they defended themselves to the last, those who still had swords using them, and the others resisting with their hands and teeth; till the barbarians, who in part had pulled down the wall and attacked them in front, in part had gone round and now encircled them upon every side, overwhelmed and buried the remnant which was left beneath showers of missile weapons. (7.225)

Herodotus' Histories, 7.226

Thumbnail of last standThus nobly did the whole body of Lacedaemonians and Thespians behave; but nevertheless one man is said to have distinguished himself above all the rest, that was Dieneces the Spartan. A speech which he made before the Greeks engaged the Medes remains on record. One of the Trachinians told him, “Such was the number of the barbarians, that when they shot forth their arrows the sun would be darkened by their multitude.” Dieneces, not at all frightened at these words, but making light of the Median numbers, answered “Our Trachinian friend brings us excellent tidings. If the Medes darken the sun, we shall have our fight in the shade.” Other sayings too of a similar nature are reported to have been left on record by this same person.

Now compare the following inscriptions Herodotus reports were erected as memorials after the battle.

Herodotus' Histories, 7.228

Thumbnail of Leonidas statue

The slain were buried where they fell; and in their honor, nor less in honor of those who died before Leonidas sent the allies away, an inscription was set up, which said:

Here did four thousand men from Pelops’ land
Against three hundred myriads bravely stand.

This was in honor of all. Another was for the Spartans alone:

Go, stranger, and tell the Lacedaemonians
That here, obeying their commands, we fell.

This was for the Lacedaemonians. The seer had the following:

The great Megistias’ tomb you here may view,
Whom the Medes slew, fresh from Spercheius’ fords.
Well the wise seer the coming death foreknew,
Yet scorned he to forsake his Spartan lords.

These inscriptions, and the pillars likewise, were all set up by the Amphictyons, except that in honor of Megistias, which was inscribed to him (on account of their sworn friendship) by Simonides, the son of Leoprepes.

Now look at another story Herodotus tells about two Spartans who were suffering with some disease of the eyes, possibly infections brought on by all the dust stirred up during the battle. Try to determine what this episode has to do with the the other stories of Spartan heroism.

Herodotus' Histories, 7.229

thumbnail of Greek hoplite

Two of the three hundred, it is said, Aristodemus and Eurytus, having been attacked by a disease of the eyes, had received orders from Leonidas to quit the camp; and both lay at Alpeni in the worst stage of the malady. These two men might, had they been so minded, have agreed together to return alive to Sparta; or if they did not like to return, they might have gone both to the field and fallen with their countrymen. But at this time, when either way was open to them, unhappily they could not agree, but took contrary courses. Eurytus no sooner heard that the Persians had come round the mountain than straightway he called for his armor, and having buckled it on, bade his helot lead him to the place where his friends were fighting. The helot did so, and then turned and fled; but Eurytus plunged into the thick of the battle, and so perished. Aristodemus, on the other hand, was faint of heart, and remained at Alpeni. It is my belief that if Aristodemus only had been sick and returned, or if both had come back together, the Spartans would have been content and felt no anger; but when there were two men with the very same excuse, and one of them was chary of his life, while the other freely gave it, they could not but be very wroth with the former.

By the time Thermopylae was taken on August 20, 480 BCE, all the Spartans and Thespians were dead. It is estimated, however, that over those same three days the Persians had lost as many as 10,000 men, many of whom would not have been killed by the Greeks, but by trampling and drowning. Finally, near the end of his narrative of the battle, Herodotus describes how Xerxes took out his anger on the slain body of Leonidas. Again, consider some of the motives Herodotus might have for emphasizing this particular story about the Persian commander.

Herodotus' Histories, 7.238

Thumbnail of Leonidas bust

When Xerxes had thus spoken, he proceeded to pass through the slain; and finding the body of Leonidas, whom he knew to have been the Lacedaemonian king and captain, he ordered that the head should be struck off, and the trunk fastened to a cross. This proves to me most clearly, what is plain also in many other ways—namely, that King Xerxes was more angry with Leonidas, while he was still in life, than with any other mortal. Otherwise, he would not else have used his body so shamefully. For the Persians are accustomed to honor those who show themselves valiant in fight more highly than any nation that I know. They, however, to whom the orders were given, did according to the commands of the king.