Alexander III of Macedon (; 20/21 July 356 BC – 10/11 June 323 BC), commonly known as Alexander the Great (), was a king of the Ancient Greek kingdom of Macedon, from 336 BC until his death in 323 BC. He was one of the greatest military leaders of all time. He was born in 356 BC in Pella, the ancient capital of Macedonia (in modern day Greece).