Battle of Thermopylae in popular culture Battle of Thermopylae in popular culture The Battle of Thermopylae of 480 BCE has long been the topic of cultural motivation, as it is perhaps the most famous military last stand of all time. This "against all odds" story is passed to us from the writings of the Greek Herodotus, who was not present at the battle himself. He relates the story of 300 Spartans and 700 Thespians defending the Pass of Thermopylae against almost "2 million" Persians on the third day of the battle. (For the first two days, the Greek force had numbered somewhere between 5,000 and 7,000.)
Hydarnes II Hydarnes II Hydarnes II (, Old Persian: Vidarna), son of Hydarnes, was a Persian commander of the Achaemenid Empire in the 5th century BC. His father was one of the seven conspirators against Gaumata. During the reign of Xerxes I, Hydarnes was one of the commanders for the Second Persian invasion of Greece in 480 BC. He was appointed as the leader of the 10,000-man contingent of "Immortals", while his brother Sisamnes commanded the levy of the Aryans. On the first day of the Battle of Thermopylae, Hydarnes led the Immortals against the phalanx of Spartans under Leonidas I, but