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
Battle of Himera (480 BC) (570–554 BC), to rule Himera. Theron emulated Phalaris when he deposed Terillus and added Himera to his domain in 483 BC. Terillus had come to power in Himera after expelling the ruling oligarchs (who had taken refuge in Akragas), and he probably lacked popular support, which may have been exploited by Theron. Terillus requested Hamilcar, Suffet of Carthage, and Xenia (guest friend) of Terillus, for aid. Anaxilas also lobbied on his behalf, and sent his own children as hostages to Carthage as a token of loyalty. After a 3-year delay, Hamilcar led a Carthaginian expedition to Sicily in 480 BC,