King Perdiccas II was a ruler of the ancient kingdom of Macedon during the 5th century BCE. He is known for his efforts to strengthen the kingdom and maintain its independence amid the conflicts of neighboring states. His reign was marked by political maneuvering and alliances, particularly with the Persian Empire. Perdiccas II was the son of Alexander I and succeeded him as king. He faced challenges from rival factions and external threats, including the Thracians. His leadership helped to stabilize Macedon during a tumultuous period, laying the groundwork for future expansion under his successors, including Philip II.