An outrage however so grossly injurious to one of the greatest princes of Greece, especially if attended with a breach of the rights of hospitality, might not unreasonably be urged as a cause requiring the united revenge of all the Grecian chieftains. But there were other motives to engage them in the quarrel. The hope of returning laden with the spoil of the richer provinces of Asia was a strong incentive to leaders poor at home, and bred to rapine. The authority and influence of Agamemnon, king of Argos, brother of Menelaus, were also weighty. The spirit of the age, his own temper, the extent of his power, the natural desire of exerting it on a splendid occasion, would all incite this prince eagerly to adopt his brother’s quarrel. He is besides represented by character qualified to create and command a powerful league; ambitious, active, brave, generous, humane; vain indeed and haughty, sometimes to his own injury; yet commonly repressing those hurtful qualities, and watchful to cultivate popularity. Under this leader all the Grecian chieftains from the end of Peloponnesus to the end of Thessaly, together with Idomeneus from Crete, and other commanders from some of the smaller islands, assembled at Aulis, a seaport of Bœotia. The Acarnanians alone, separated from the rest of Greece by lofty mountains and a sea at that time little navigated, had no share in the expedition.
A story acquired celebrity in aftertimes, that, the fleet being long detained at Aulis by contrary winds, Agamemnon sacrificed his daughter Iphigenia as a propitiatory offering to obtain from the gods a safe and speedy passage to the Trojan coast. To the credit of his character however it is added that he submitted to this abominable cruelty with extreme reluctance, compelled by the clamours of the army, who were persuaded that the gods required the victim; nor were there wanting those who asserted that by a humane fraud the princess was at last saved, under favour of a report that a fawn was miraculously sent by the goddess Diana to be sacrificed in her stead. Indeed the story, though of such fame, and so warranted by early authorities, that some notice of it seemed requisite, wants, it must be confessed, wholly the best authentication for matters of that very early age; for neither Homer, though he enumerates Agamemnon’s daughters, nor Hesiod, who not only mentions the assembling of the Grecian forces under his command at Aulis, but specifies their detentions by bad weather, has left one word about so remarkable an event as this sacrifice.