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.)
Delian League to the Persian Empire, and Eretria was duly destroyed. However, the invasion ended in 490 BC with the decisive Athenian victory at the Battle of Marathon. Between the two invasions, Darius died, and responsibility for the war passed to his son Xerxes I. Xerxes then personally led a second Persian invasion of Greece in 480 BC, taking an enormous (although oft-exaggerated) army and navy to Greece. Those Greeks who chose to resist (the 'Allies') were defeated in the twin simultaneous battles of Thermopylae on land and Artemisium at sea. All of Greece except the Peloponnesus thus having fallen into Persian