History of the Peloponnesian War

About the autumn of this summer, the Athenians invaded the Megarid with all their forces, themselves and the resident aliens, under the command of Pericles son of Xanthippus. And the Athenians in the hundred ships around the Peloponnese, (for they happened at this time to be at Aegina on their return home,) finding that the men of the city were in full force at Megara, sailed and joined them. And this was certainly the largest army of the Athenians that ever assembled together;

as the city was at the height of its strength, and not yet afflicted with the plague; for of the Athenians themselves there were not fewer than ten thousand heavy-armed, (besides which they had the three thousand at Potidaea,) and of resident aliens who joined them in the incursion not fewer than three thousand heavy-armed; and added to these, there was all the crowd of light-armed in great numbers. After ravaging the greater part of the territory, they returned.

Other incursions into the Megarid were also afterwards made annually by the Athenians in the course of the war, both with their cavalry and with all their force, until Nisaea was taken by them.