Alexander the Great (336-323 BC) was one of the best conquerors of the old world.
Alexander sent the Greek army to destroy the throne in faraway Persepolis.
In 334 BC he had taken over Asia Minor and within two years he defeated the Holy Land and Egypt.
He then went to Persepolis in 330 BC he obliterated the capital.
Alexander went five more years campaigning through Parthia and Bactria through the Indus River valley, where his men encountered Indian war elephants. But Alexander had tired his men who threatened mutiny.
Alexandria in Egypt had a network of libraries stocked with Greek literature, philosophy, mathematics, and science.
"To commemorate the restored harmony of his troops, Alexander offered sacrifice to all the gods he customarily honored, and hosted a great banquet, at which he made a point of sitting among his Macedonian contingent."
Alexander arranged for his officers to divorce their Greek wives and marry Persian wives instead.
In 323 BC he became ill and died at the young age of 33.