In ancient greek mythology, Heracles is the hero with the most adventures ever. There is, however, a temporal paradox between the different myths about him that bothers me a bit.

Heracles was born as a mortal son of Zeus. He has done a lot of heroic deeds while traveling around Earth, as well as a few shameful crimes like killing his own wife and children, Kheiron the centaur, and Iphitos.

When Heracles was poisoned by the blood of Nessos, in his unbearable pain, he chose to commit suicide by getting burned alive on a funeral pyre. But before he could die, Zeus has rescued him by raising his spirit to Olympos, making him an immortal god.

Zeus has insisted that Heracles shall become one of the gods who participate in the regular dinner feasts of the gods on Olympos with Zeus himself. As, however, there were previously twelve guests to those feasts, and thirteen was an unlucky number, Zeus has forced one of the other gods to give up their place in favor of Heracles.

Drinking ambrosia in the company of Zeus couldn't entirely satisfy Heracles, so he continued his heroic deeds as an immortal god. Already experienced in defeating immortal beasts, he again helps the Olympians by fighting against the monstrous children the primordial gods have spawned. As a physically strong god, he was a decisive factor in ending the rule of the Titans and ensuring that the Olympian gods would rule the world.

These stories seem contradictory. If Zeus could raise his son to immortal status, and even re-arrange the the seating at the high table or Olympus, then surely he was already the king of Gods, comfortably ruling Earth together with the other Olympians. The fight against the old gods must have happened before that.

What is the correct timeline here? Did Heracles travel back in time after he became immortal?

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    I could be wrong, but I don't think there's an ancient source mentioning Heracles took part in the Titanomachy. Are you sure you aren't thinking of the Gigantomachy? – yannis Mar 21 '17 at 19:12
  • @yannis That's possible. It wasn't clear to me that these were two separate wars with peace between. – b_jonas Mar 22 '17 at 9:26
  • I've amended my answer to include a couple links at the bottom to scholarly sources discussing the issue of temporality in Ancient Greek narrative. (The second link kind of makes me want to do a detailed analysis of the verbs in the relevant sections of Apollodorus...) – DukeZhou Mar 23 '17 at 18:44

I apologize for the length of this answer, per the background--the two wars are indeed distinct, as Yannis points out. Your point about temporal contradiction is valid, (and in my experience, time can be non-linear in the Greek Myths,) but there is no easy explanation.

The Titanomachy (literally "battle with the titans" from the Greek "mach-ey") was the original war of the Olympians, recounted vividly in Hesiod's Theogony:

"Then Zeus no longer held back his might; but straight his heart was filled with fury and he showed forth all his strength. From Heaven and from Olympus he came immediately, hurling his lightning: the bolts flew thick and fast from his strong hand together with thunder and lightning, whirling an awesome flame. The life-giving earth crashed around in burning, and the vast wood crackled loud with fire all about. All the land seethed, and Ocean's streams and the unfruitful sea. The hot vapor lapped round the earthborn Titans: flame unspeakable rose to the bright upper air"

The Gigantomachy is a subsequent war, by some accounts incited by the casting down of the Titans and Gaia's dissatisfaction with that outcome:

"Earth, vexed on account of the Titans, brought forth the giants".
Source: Apollodorus, Library 1.6.1

The first account of Heracles aiding the gods in this battle against the giants seems to be Pindar, a few centuries after Hesiod:

"[Zeus] stood, possessed by overwhelming astonishment and delight. For he saw the supernatural courage and power of his son"
Source: Pindar, Nemean Odes, 1, line 55

Zeus consults the seer, Teiresias, who prophesies:

"...that when the gods meet the giants in battle on the plain of Phlegra, the shining hair of the giants will be stained with dirt beneath the rushing arrows of [Heracles].
Source: ibid. line 67-68

This has been interpreted to mean that the gods would need the aid of a "mortal" to overthrow the giants (similar, perhaps, to how the Witch King in Tolkien can be killed by "no man";)

Apollodorus very specifically comments on this:

Now the gods had an oracle that none of the giants could perish at the hand of gods, but that with the help of a mortal they would be made an end of.
Source: Apollodorus, Library 1.6.1

Apollodorus provides an example in the death of the giant Alcyoneus:

Hercules first shot Alcyoneus with an arrow, but when the giant fell on the ground he somewhat revived. However, at Athena's advice Hercules dragged him outside Pallene, and so the giant died.

Note that the term "simple" is used in this old-fashioned translation for the actual Greek word "pharmakon", here simply referring to a magic plant, although the term can also mean a sacrificial victim.

It is possible that Heracles' legendary strength may exceed that of any god, in that he is the one who has to drag the giant. The precedent for requirement of brute force may be said to derive from Hesiod's account of the Titanomachy:

"But until then, they kept at one another and fought continually in cruel war. And amongst the foremost Cottus and Briareos and Gyes insatiate for war raised fierce fighting: three hundred rocks, one upon another, they launched from their strong hands and overshadowed the Titans with their missiles, and hurled them beneath the wide-pathed earth, and bound them in bitter chains when they had conquered them by their strength for all their great spirit."
Source: Theogony, 711-719

And thus Heracles involvement is a reflection of the involvement of the Hecatoncheires in the previous war. The idea would be that the Titans and Giants are chthonic entities and cannot be overcome by heavenly forces alone (i.e. the thunderbolts can knock them down, but not kill them. Note that the Titans were not killed but cast down into Tartarus.)

Regarding the temporal anomaly:

Apollodorus doesn't get to the creation of man until Book 1, Chapter 7, and the divine conception of Heracles is not recounted until Book 2.

If we accept that the time period figures such as Alcmene and Amphitryon came after the Gigantomancy, then Heracles aided the gods before he was born. Dionysus was also said to be involved in the battle per Euripides, and like Heracles, would seem to have been conceived in a later, more settled age.

But Apollodorus doesn't explicitly state when the Gigantomachy occurred, and as the battle is absent in Hesiod, who is more linear, it's difficult to nail down chronologically.

It seems sensible that the Gigantomachy occurred before the ages of man in that there don't seem to be stories of humans being affected by the battle.

I hope this attempt to answer your very salient question is not too unsatisfactory. My personal take, based on years of study, is that time in Greek Mythology is not strictly linear, but occurs in a sort of "eternal past" that is "eternally present".

Further Reading

Here are some scholarly papers on the subject:

Time In Ancient Greek Literature

Time, Tense, and Temporality in Ancient Greek Historiography

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  • I don't understand why the note about the term "simple" because that word never occurs elsewhere in the answer. – b_jonas Jul 26 at 13:29
  • @b_jonas It's in the Apollodorus 1.6.1 translation by Frazer. "Learning of this, Earth sought for a simple to prevent the giants from being destroyed even by a mortal." Wanted to explain the archaic usage of the term in case people read the linked passages. – DukeZhou Jul 28 at 0:15


Herakles [Heracles] never engaged in combat against any Titan, neither before nor after his deification (his becoming a god).

The Olympians participated in two cosmic conflicts: Titanomakhia, the "Titans’ War"; and Gigantomakhia, the "Gigantes’ War."

The Titans’ War is supposed to have taken place tens of thousands of years before Herakles’ birth.

Herakles was, however, brought to life specifically so that he could help the Olympians defeat the Gigantes (Giants), who turned out to be the deadliest threat to them since the era of the Titans. The Gigantes’ War, during which Herakles assisted the gods, thus broke out in the hero’s lifetime, while he was still a mortal, one human generation before the Trojan War.

Here’s a basic timeline of some of the events mentioned here, using very loose dates of when they are supposed to have happened:

31,400 BC: The Titans’ War
31,300 BC: Birth of the God Hermes
31,200 BC: Imprisonment of the Titan Prometheus
1500 BC: Arabos, son of Hermes (& ancestor of Herakles), becomes the first king of Arabia
1300 BC: Birth of Herakles
1270 BC: Herakles releases Prometheus
1260 BC: The Gigantes’ War
1250 BC: Death of Herakles
1220 BC: The Trojan War

The author of the Greek Mythology Link (GML) also has a chronological outline of the major events of the mythic eras. The chart from that page is displayed below, at the end of this Answer.


The Immortality and Godhood of Herakles

But before he could die, Zeus has rescued him by raising his spirit to Olympos, making him an immortal god.

The way I have always understood the story, Herakles does genuinely die, for sure. It is only after he is dead that he is raised up to Mt Olympos [Olympus] and becomes a god.

There are legends which seem partly designed to explain Herakles’ transition from a mere mortal shade in the land of the dead to a full-fledged divinity of Mt Olympos in his own right. There were different levels of deity in the various cults of Ancient Greece, in which there were divinities who were defined merely as heroes and others as hemitheoi (demigods, “half-gods”) in addition to those who were full-on theoi, “gods.”

In one story, after Herakles’ suicide, his remains could not be found on his funeral pyre, so his nephew Iolaos became the first to sacrifice to the dead hero as a hemitheos (demigod).

According to Pausanias’ Description of Greece, Herakles had a son named Phaistos [Phaestus] who became king of the city of Sikyon. When Phaistos first arrived at Sikyon he found that the locals were making offerings to Herakles as a hero.

Phaistos then refused to do anything of the kind, but insisted on sacrificing to him as to a theos. Even at the present day [100s AD, over a thousand years after Herakles’ death] the Sikyonians, after slaying a lamb and burning the thighs upon the altar, eat some of the meat as part of a victim given to a theos, while the rest they offer as to a hero.

Antagonism Against Titans

Drinking ambrosia in the company of Zeus couldn't entirely satisfy Heracles, so he continued his heroic deeds as an immortal god. Already experienced in defeating immortal beasts, he again helps the Olympians by fighting against the monstrous children the primordial gods have spawned. As a physically strong god, he was a decisive factor in ending the rule of the Titans and ensuring that the Olympian gods would rule the world.

These stories seem contradictory.

There is some confusion that has occurred here in general about the timeline, the wars and Herakles’ participation in one of them.

There actually are no ancient stories in which Herakles fights against anybody after his apotheosis (deification), apart from a mural from Athens which depicts him, as an immortal god, together with the goddess Athena and a resurrected Theseus, fighting together with the Greeks against the Persians at the Battle of Marathon in 490 BC. All of Herakles' other adventurous encounters against men, gods, giants and monstrous beasts take place while he is still alive as a mortal man. One of the main features of his story is that he earns his immortality by fighting and defeating the monsters and colossal obstacles that he encounters as a mortal. His most dramatic tasks are predetermined for him by Zeus and Hera when he is still a baby.

None of the deities that this hero ever combats are Titans. There are two different occasions on which there is an aggressive confrontation between Herakles and a Titan but both of these wind up pretty fast and quite peacefully. He once fires arrows upon Helios, the Sun, out of anger at the burning heat from this god’s light, but Helios simply laughs off the attack and even bestows a gift upon this powerful archer.

Then Pherecydes tells us that when Herakles was crossing the cosmic earth-encircling Okeanos River, its god, the Titan Okeanos, rose up in his waves to rock the hero’s vessel in an attempt to intimidate him. Herakles threatened to shoot the Titan with his arrows, whereupon Okeanos fearfully calmed his waters. There is also the story about Herakles tricking the Titan Atlas into holding up the edge of the sky again after having taken a break from this task.

The Cosmic Wars

By my reckoning, Titanomakhia would have occurred even before the birth of Hermes, the grandson of the Titan Atlas who became the last of the Twelve Olympians. Not very long after the end of Titanomakhia, Atlas’ brother Prometheus was imprisoned by Zeus on the Caucasus Mountains, on the border of Europe and Asia. The Roman writer Hyginus provides us with the chronology for this in his Fabulæ and Astronomica. In both of these works Hyginus says that, according to the Greek tragedian Aeschylus, Prometheus was kept in chains for thirty thousand years before his bonds were broken by none other than Herakles.

Even in ancient times, however, the Titans and the Gigantes, and the two separate wars that they waged against the inhabitants of Mt Olympos, were sometimes confused with one another. The writer most notorious for mixing up his Greek myths and their characters is Hyginus. He lists Iapetos, the father of Atlas and Prometheus, as a Gigantos [Giant], even though Iapetos is certainly a Titan. He makes the same slip-up with the Titans Koios and Astraios. This is further complicated by the participation of some primordial Gigantes in the Titans’ War. Most of these Giant soldiers seem to have sided with Kronos against Zeus in that particular contest.

One especially clear difference between the two conflicts is that the Titans were immortal (or at least almost all of them seem to have been) while the Gigantes were not. At the end of Titanomakhia the enemies of the gods had to be incarcerated in Tartaros, the deepest part of the Underworld. Gigantomakhia, on the other hand, only ended when almost all of the Gigantes were dead.

Herakles and the Gigantes are, in a way, parallel characters. Both Herakles and the Giants are almost mightier than the gods. Gaia, the Earth, gives birth to the Gigantes in order for them to avenge the defeat of Kronos during Titanomakhia. This trips the gods out because there is a prophecy among them which declares that unless they employ the help of a mortal, they will not be able to defeat the Gigantes. Zeus takes this well in hand and contrives the means to create the strongest mortal hero of all, who, when he grows up, will be the suitably required ally against their enemy.

Thus we have the story in which Zeus disguises himself as Amphitryon, the fiancé of Herakles’ mother Alkmene, in order to consort with her and sire this hero upon her. He stretches the night in which Herakles is conceived into the length of three nights, in order to produce this strongest and toughest of men.

Meanwhile Gaia is scheming to obtain a special plant growing upon her surface. This plant is a drug with the power to make the Gigantes indestructible, even at mortal hands. So Zeus commands the heavenly lights, such as the Sun, Moon and Stars, not to shine while Gaia searches for this substance. Evidently she never finds it, because Herakles grows up, as do the Gigantes, and these huge enemies of the gods are after all slain by this mortal hero in collaboration with the Olympians.

The Precise Chronology of Gigantomakhia

Apollodorus specifies for us, in Bibliotheka 2.7.1-2, that Gigantomakhia broke out sometime after Herakles had completed his twelve tasks. While sailing back to Greece from an expedition at Troy, Herakles and his army landed on the Aegean island of Kos, whose locals mistook him and his men for pirates. Herakles, in retaliation, laid the island to waste, at which point the goddess Athena came to fetch him from there to take him to Phlegra, in Thrace, where the Olympians were at war against the Gigantes.

After Herakles had dispensed with the Gigantes, he moved on to attack Augeias, King of the Epeians of Elis, who had broken a deal with him during the performance of one of his twelve tasks. Here we incidentally get a display of Herakles’ mortality and the fact that he is not all-powerful: he suffers a dramatic defeat at the hands of Augeias’ army generals, the twin brothers Eurytos and Kteatos, who are sometimes portrayed as monstrous or gigantic.

Apollodorus goes on to say that these brothers were the strongest men alive at the time. It could be that Herakles was, during this encounter, exhausted from waging cosmic battle against the Gigantes. Additionally, the Bibliotheka implies that he lost this fight because he fell sick during the attack on Elis. It may nonetheless prove that these twins were stronger than Herakles, since he was only able to kill them by treacherously waylaying them during a sacred ceasefire sometime after they had defeated him (fairly uncharacteristic behaviour for him).

Carlos Parada’s GML delineation of the timeline Carlos Parada’s GML delineation of the timeline
See also Marc Carlson’s rendition, as well as a third alternative, from the Argyrou website.

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