<answer>Philip</answer> II was a strong and expansionist king and he took every opportunity to expand Macedonian territory. In 352 BC he annexed Thessaly and Magnesia. In 338 BC, <answer>Philip</answer> defeated a combined Theban and Athenian army at the Battle of Chaeronea after a decade of desultory conflict. In the aftermath, <answer>Philip</answer> formed the League of Corinth, effectively bringing the majority of Greece under his direct sway. He was elected Hegemon of the league, and a campaign against the Achaemenid Empire of Persia was planned. However, while this campaign was in its early stages, he was assassinated.
Who formed the League of Corinth?
Philip