
(356 - Babylon 323 BC). King of Macedon (336-323), son and successor of Philip II. He had a teacher Aristotle. As soon as he ascended the throne, he quelled the anti-Macedonian riots in Greece, destroying Thebes.
In 334 the expedition against Dario III Codomanno began; the successes to the Granico river (334), to Isso (333) and to Gaugamela (331) opened the way to the heart of Asia. Even before Gaugamela he had conquered Egypt and founded Alexandria.
On the death of Darius, killed by the Bactrian satrap Besso, he was appointed successor, assuming the customs and ceremonial of the Persian court and challenging the Macedonian nationalistic aversion. He conquered Iranian Asia and, in the summer of 327, he began the expedition to India, during which he defeated and vassaled the Indian king Poro (326), reaching the Indus delta.
Returning to Susa, Alexander had a mass wedding celebrated between Macedonian soldiers and Persian women in an attempt to merge the two peoples (334).
While in Babylon he was busy preparing for new ventures, he was attacked by violent fevers which in a few days led him to the grave. It is debated whether he had also planned the conquest of the West.