Between 550 and 520 BC Cyrus the Great had unified the Medes and the Persians and founded an empire that stretched from the Indus River to North Africa and from the Aral Sea to the Persian Gulf...
Ironically, Xenophon’s Cyropaedia, written around 370 BC, a narrative describing the education of the ideal ruler centred on Cyrus the Great founder of the Achaemenid Dynasty, was a great inspiration...