He was implicated during the Peloponnesian War in the mutilation of the Herms on the eve of the departure of the Athenian expedition against Sicily in 415 BC.

After an interruption caused by the Peloponnesian War, the temple was finished in the time of Nicias ' peace, between 421 BC and 415 BC.

Some scholars argue Plato drew upon memories of past events such as the Thera eruption or the Trojan War, while others insist that he took inspiration from contemporary events like the destruction of Helike in 373 BC or the failed Athenian invasion of Sicily in 415 – 413 BC.

Instead of attacking at once, Nicias procrastinated and the campaigning season of 415 BC ended with Syracuse scarcely damaged.

This, as Robin Waterfield argues, represents the social conflict between two generations of men in Athens, especially in the decade from 425 to 415 BC.

* 415 BC: The sacred Hermae busts in Athens are mutilated just before the expedition to Sicily is sent away.

* 415 BC: Alcibiades defects from Athens to Sparta after having learned about his death sentence.

In 415 BC Segesta asked Athens for help against Selinus, leading to a disastrous Athenian expedition in Sicily ( 415-413 BC ).

He leads the religious procession from Athens to Eleusis, thus atoning for his alleged impiety in 415 BC when he was held to have joined in profaning the Sacred Mysteries.

* 415 BC – Prodicus of Ceos, Philosopher

Indirect evidence in support of the entheogenic theory is that in 415 BC Athenian aristocrat Alcibiades was condemned partly because he took part in an " Eleusinian mystery " in a private house.

* Andocides, Athenian orator and politician, who has been implicated in the mutilation of the Herms on the eve of the departure of the Athenian expedition against Sicily in 415 BC, returns from exile under the general amnesty.

Somewhere in the years 416 – 415 BC, a complex struggle took place between Hyperbolos on one side and Nicias and Alcibiades on the other.

Alcibiades was not one of the Generals involved in the capture of Melos in 416 – 415 BC, but Plutarch describes him as a supporter of the decree by which the grown men of Melos were killed and the women and children enslaved.

In 415 BC, delegates from the Sicilian city of Segesta () arrived at Athens to plead for the support of the Athenians in their war against Selinus.

Year 415 BC was a year of the pre-Julian Roman calendar.

The denomination 415 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

tl: 415 BC

In 415 BC, on a night shortly before the Athenian fleet was about to set sail for Syracuse during the Peloponnesian War ( see Sicilian Expedition ), all of the Athenian hermai were vandalized.

They sought to ally first with Athens against Selinus, provoking the disastrous Sicilian expedition of 415 BC-413 BC.

* 415 Hermai are mutilated in Athens, Alcibiades accused, asks for inquiry, told to set sail for battle ( Sicilian Expedition ), is condemned to death in absentia, he defects to Sparta

In 415 BC, delegates from the Sicilian city of Segesta () arrived in Athens to plead for the support of the Athenians in their war against Selinus.

In 415, Athens and Sparta had been formally at peace since 421, when the Peace of Nicias had brought the Archidamian War to a close.

* first and second Battles of Syracuse in 415 and 414 BC, where Athens fought the Syracusans and Spartans

The second stage of the Peloponnesian War began in 415 BC when Athens embarked on the Sicilian Expedition to support an ally ( Segesta ) attacked by Syracuse and to conquer Sicily.

* Euthydemus ( commander ), ( late 5th century BC ) a fleet commander for Athens during the Sicilian Expedition, 415 to 413 BC

After Athens invaded Sicily in 415 BC, a Spartan fleet arrived to reinforce their allies in Syracuse, with a stalemate ensuing.

At the time of the Athenian expedition to Sicily, 415 BCE, the Metapontines at first, like the other states of Magna Graecia, endeavoured to maintain a strict neutrality ; but in the following year were induced to enter into an alliance with Athens, and furnish a small auxiliary force to the armament under Demosthenes and Eurymedon.

* Allied with Athens and Molossis, 415 – 404 BC.

In spring 415, Liu Yu arrested another son of Sima Xiuzhi, Sima Wenbao ( 司馬文寶 ), and Sima Xiuzhi's nephew Sima Wenzu ( 司馬文祖 ), ordering the two to commit suicide, and then launched an attack on Sima Xiuzhi, who was joined by Lu Zongzhi ( 魯宗之 ) the governor of Yong Province ( 雍州, then modern northwestern Hubei ).

Nicias indeed proposed, when the expedition first arrived in Sicily ( 415 BCE ); that they should proceed at once to Selinunte and compel that city to submit on moderate terms ; but this advice being overruled, the efforts of the armament were directed against Syracuse, and the Selinuntines in consequence bore but a secondary part in the subsequent operations.

* Athenagoras of Syracuse, statesman and military leader in Syracuse during the Sicilian Expedition, 415 BC to 413 BC

The Etruscans would later join the failed Athenian expedition against Syracuse in 415 BC, which contributed even further to their decline.

* Siege of Syracuse ( 415 – 413 BC ) by the Athenians during the Sicilian Expedition

Thucydides distinctly alludes to it as not existing in his time as a city, but repeatedly mentions the locality, on the sea-coast, which was at that time occupied by the Syracusans, but which the Athenian general Lamachus, during the expedition against Syracuse ( 415 – 413 BC ), proposed to make the head-quarters of their fleet ; but his advice was not taken, and in the next spring the Syracusans fortified it.

The Sicilian Expedition was an Athenian expedition to Sicily from 415 BC to 413 BC, during the Peloponnesian War.

" Without Nicias ' intervention ," wrote Donald Kagan, " there would have been an Athenian expedition against Sicily in 415, but there could not have been a disaster.

But though we are told in general terms that the period which elapsed from this re-settlement of Himera till its destruction by the Carthaginians ( 461 – 408 BCE ), was one of peace and prosperity, the only notices we find of the city during this interval refer to the part it took at the time of the Athenian expedition to Sicily, 415 BCE.

415 BC was also the year of the scandalous desecration of the hermai and the Athenians ' second expedition to Sicily, events which may also have influenced the author.

The speech of Andocides above referred to seems to have been delivered after the destruction of Melos ( 416 BC ) and before the expedition to Sicily ( 415 BC ); so that from the above data the age of Agatharchus may be accurately fixed.

It is first mentioned by Hecataeus, and Thucydides notices it among the chief colonies of the Phoenicians in Sicily, which still subsisted at the period of the Athenian expedition, 415 BCE.

On occasion of the great Athenian expedition to Sicily ( 415 BC ), the Naxians from the first espoused their alliance, even while their kindred cities of Rhegium ( modern Reggio di Calabria ) and Catana held aloof ; and not only furnished them with supplies, but received them freely into their city ( Diod.