http://agathe.gr/democracy/the_athenian_army.html
The Athenian Army From the very beginning, the Athenians were compelled to fight for their new democracy. Their dramatic victories over the Boiotians and Chalkidians in 506 B.C. led many to attribute Athenian ... In a remarkable example of correlation between archaeological and literary evidence, Pheidon may be the same individual mentioned in a fragment of the 4th-century B.C. comic poet Mnesimachos, who wrote: "Go forth, Manes, to the Agora, to the Herms, the place frequented by the phylarchs (other cavalry commanders), and to their handsome pupils whom Pheidon trains in mounting and dismounting" (Athenaios, Deipnosophistai 9.402).