THE ATHENIANS AT MARATHON, 131 an important episode to relate. Athens—as was common with the Greek cities when threatened— did not fail to send to Sparta for aid. When the Persians landed at Marathon, a swift courier, Phi- dippides by name, was sent to that city for assist- ance, and so fleet of foot was he that he performed the journey, of one hundred and fifty miles, in forty- eight. hours’ time. The Spartans, who knew that the fall of Athens would soon be followed by that of their own city, promised aid without hesitation. But superstition stood in their way. It was, unfortunately, only the ninth day of the moon. Ancient custom forbade them to march until the moon had passed its full. This would be five days yet,—five days which might cause the ruin of Greece, But old laws and observances held dominion at Sparta, and, whatever came from it, the moon must pass its full before the army could march. When this decision was brought back by the courier to Athens it greatly disturbed the public mind. Of the ten generals, five strongly counselled that they should wait for Spartan help. The other five were in favor of immediate action. Delay was dangerous with an enemy at their door and many timid and doubtless some treacherous citizens within their walls. Fortunately, there was an eleventh general, Calli- machus, the war archon, or polemarch, who had a casting vote in the council of generals, and who, under persuasion of Miltiades, cast his vote for an immediate march to Marathon. The other generals