Persian Invasions

King Darius, being very wroth with the Athenians for their share in the burning of Sardis, sent a great army across the Hellespont to march through Thrace against Athens, under his young kinsman Mardonius. But disaster befell these at the hands of the Thracians, and the fleet that was to aid them was shattered in a storm; so that they returned to Asia without honour. Then Darius sent envoys to demand earth and water from the Greek states; and of the islands the most gave them, and some also of the cities on the mainland; and among these were the Aeginetans, which were at feud with Athens.…