A new interpretation of Plato's dialogues as a progressive program of education for philosopher-kings, unfolding in seven tetralogies from Alcibiades to Laws, with the Republic as its logical center and the death of Socrates at the end of the Phaedo as its physical center.

Darius The Great In the middle of the sixth century B.C., Cyrus the Great, Achaemenid prince, united the Iranian tribes, conquered western Asia, and created the vast Persian Empire. His succesor was Cambyses, who secretly murdered his only brother the Bardiya (Greek : Smerdis), and since he himself had no son, he thus ended the direct line of succession. He then entrusted his household to a ...