sep 4, 222 BC - 222 BC - Battle of Sellasia - Spartan army beaten by Macedon. This greatly strengthened Macedonian influence throughout Greece.
Description:
Antigonus III, King of Macedon, forged an alliance with other Greek states, as well as the Achaeans, to form a broad-based league under his leadership and overwhelmed the Spartan army at the Battle of Sellasia
Added to timeline:
Date: