Alexander the Great or Alexander III of Macedon was the king of the ancient Greek kingdom of Macedon. Born in the Greek city of Pella in 356 BC he was a member of the Argead dynasty. He was a student of Aristotle. He was only 20 years old when he succeeded to the throne his father Philip II. By the age of 30 he had already conquered the biggest part of the then known world including the Arab World (Northern Africa and Middle East) and had reached up to the western Asia till India.