After the defeat and death of the Spartan King Leonidas at Thermopylae ... But thanks to the foresight of Athenian general Themistocles and the heroism of the Greek fleet, the Persians would ...

Ephialates, a greedy Greek citizen, betrayed his countrymen for reward, and the Persians soon outflanked the Greeks. King Leonidas ordered his troops to retreat, but he stayed behind. It was ...