Battle of Plataea other. The Allies initially adopted a strategy of blocking land and sea approaches to southern Greece. Thus, in August 480 BC, after hearing of Xerxes' approach, a small Allied army led by Spartan King Leonidas I blocked the Pass of Thermopylae, while an Athenian-dominated navy sailed to the Straits of Artemisium. Famously, the massively outnumbered Greek army held Thermopylae for three days before being outflanked by the Persians, who used a little-known mountain path. Although much of the Greek army retreated, the rearguard, formed of the Spartan and Thespian contingents, was surrounded and annihilated. The simultaneous Battle of Artemisium, consisting
Battle of Thermopylae illustrate this point. Militarily, although the battle was actually not decisive in the context of the Persian invasion, Thermopylae is of some significance on the basis of the first two days of fighting. The performance of the defenders is used as an example of the advantages of training, equipment, and good use of terrain as force multipliers. There are several monuments around the battlefield of Thermopylae. A well-known epigram, usually attributed to Simonides, was engraved as an epitaph on a commemorative stone placed on top of the burial mound of the Spartans at Thermopylae. It is also the hill on