he made up his mind, all the same, that if he ever could serve Athens, he would.
And he did. In the year 481 B.C. the King of Persia brought his vast army against the Greeks. So many were his soldiers that two rivers (so it is said) were drunk dry by the army. More than fifty different nations took part in the invasion. From one country came warriors who wore trousers, and tunics covered with iron scales, and carried spears, bows, and daggers; from another country, warriors with helmets and iron-headed clubs; from another country, warriors clad in cotton coats; from another country, warriors clad in the skins of lions and leopards, their bodies being painted half-red; from another country, warriors in fox-skins; and from another, warriors in jackets of leather.
The Persian army drew nigh to the city of Athens, and the people were in great fear. They sent to ask the god Apollo what they had better do; and the priestess who spoke the message of the god replied:
"Trust in your wooden walls."
"What can Apollo mean by the wooden walls?" the people asked one of the other.
"I can tell you," cried Themistocles, who was master of the Athenian fleet. "It means our wooden ships. Let us leave the city, send the women and children across the bay to a friendly
