At what age did Alexander become king of Macedon?
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Correct answer: 20
Philip II was assassinated at Aegae in 336 BCE, and Alexander — then 20 years old — swiftly secured the throne, executing rival claimants and receiving pledges of loyalty from the Macedonian army. He then moved decisively to reassert control over rebellious Greek city-states, demonstrating the commanding authority that would define his reign.
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