Alexander I, King (Kingdom of Macedonia (Persia)) : All Data
Alexander I was the king of the Kingdom of Macedonia from -498 to -454. During his reign, he successfully defended his kingdom against the Persian invasions led by Darius I. The most important war that occurred during his tenure was the Persian invasion of Greece, which took place from -492 to -490. Alexander I played a crucial role in the Greek victory at the Battle of Marathon in -490, where the Persian forces were defeated. His diplomatic skills and military strategies ensured the independence of Macedonia and its continued existence as a sovereign state amidst the conflicts of the time.