The Persian Wars RP selection will allow you to become a soldier of the following three factions. Spartans, Persians, or Athenians. If any of you haven't learned about the Persian Wars, then I'll give you a brief summary of it.

In the Archaic Age, when Greek colonists were driven out of mainland Greece, many wound up in Ionia (now Asia Minor). Eventually these uprooted Greeks came under the rule of the Lydians. In 546, the Persians replaced the Lydians. The Ionian Greeks found the Persian rule oppressive and attempted to revolt -- with the aid of the mainland Greeks. And so it began....
The Persian Wars lasted from 492 - 449 B.C.