This ruler subjugated the king Cersobleptes whilst campaigning on the Hebrus river. This ruler allied with the Chalcidian League after breaking a promise to lend the mines of Pangaion to another city. Whilst serving as regent, this ruler defeated a pretender named Argaeus, (10[1])who challenged (-5[1])his nephew Amyntas. In his youth, this ruler lived with Pammenes and was educated by Epaminondas (10[1])(EPP-uh-min-NON-dus) whilst (10[1])living as a hostage. The Battle of Crocus (10[1])Field was won by (-5[1])this ruler during the Third Sacred War. This ruler (10[1])reforms to the phalanx included pioneering the use of the sarissa. The Sacred Band of (10[1])Thebes was destroyed after this (10[1])ruler and his son won the Battle of Chaeronea (CARE-oh-NAY-uh). For 10 points, name this king of Macedon who (10[1])was succeeded by his son Alexander (10[1])the Great. ■END■