The Achaemenid Persian Empire's Most Famous Kings: The Lives and Reigns of Cyrus the Great, Darius the Great, and Xerxes I

At one point in antiquity, the Achaemenid Persian Empire was the largest empire the world had ever seen, but aside from its role in the Greco-Persian Wars and its collapse at the hands of Alexander the Great, it has been mostly overlooked. When it has been studied, the historical sources have mostly been Greek, the very people the Persians sought to conquer. Needless to say, their versions were biased.

It was not until excavations in the region during the 20th century that many of the relics...