Expansion of Macedonia under Philip II a significant problem, blocking the main route into Greece. However, a second route into central Greece was available. In 480 BC, during the Battle of Thermopylae, the Persian king Xerxes had sent his army via a mountain track (the "Anopea") to outflank the pass. From this track, on the western side of Mount Kallidromon, another road led off and descended in Phocis. In 480 BC, a thousand Phocian troops were stationed above Thermopylae to guard the road and prevent a Persian assault on Phocis (though they notably failed to prevent the Persians using "Anopea"). However, in 339 BC, the Greeks
Leonidas at Thermopylae the time. The piece shows the Spartan king Leonidas prior to the Battle of Thermopylae. David's pupil Georges Rouget collaborated on it. The crowded and theatrical scene that David depicts takes place in a time of war, seemingly in Greece from the Greek temple and temperate mountains in the background. The war we see is the Battle of Thermopylae, which took place in 480 B.C. Thermopylae, which is a Greek word that means “hot gates,” was chosen to be the perfect place for this battle because of its mountainous geography and narrow passageway. This helped the Greeks hold a better