Achaemend Royal Inscriptions: XPh ("Daiva Inscription")
In ca.521, the Persian king Darius I the Great ordered that a new alphabet, the Aryan script, was to be developed. This was used for a small corpus of inscriptions, known as the Achaemenid Royal Inscriptions. One of the most important Achaemenid Royal Inscriptions is the "Daiva inscription". The Old Persian text is known from three slabs of stone from Persepolis and Pasargadae. (Elamite and Babylonian copies exist.) The interesting detail for which this text has become famous is the rebel country mentioned in section #4, although -unfortunately- it cannot be identified with sufficient certainty. Much depends on the meaning of the word daiva, which clearly means 'demon' and looks similar to the word daeva in the Avesta, the holy book of Zoroastrianism . If daiva and daeva are identical, we can assume that the rebels lived in Iran, where the Zoroastrian religion was influential.