The Hellenistic Age The Hellenistic age was the period between the conquest of the Persian Empire by Alexander the Great and the establishment of Roman supremacy. Alexander the Great was the son of King Philip of Mecedon who brought all of Greece under his authority. When Philip was murdered Alexander the Great took the throne. He reigned for thirteen years. Alexander was always looking for new conquest; he and his army succeed in controlling all of Greece, Persia and part of India. It was said that Alexander had the face of a god, the physique of an Olympic athlete, was a brilliant general which he inherited from his fathe