Alexander the Great, (July 20, 356 BC - June 10 or June 11, 323 BC), also known as Alexander III of Macedon, was an ancient Greek king of Macedon (336–323 BC). He was one of the most successful military commanders in history, and is presumed undefeated in battle. By the time of his death, he had conquered most of the world known to the ancient Greeks.

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