Incitatus Dio (155-235 AD) indicated that the horse was attended to by servants and was fed oats mixed with gold flake, and that Caligula made the horse a priest. The accuracy of the received history is generally questioned. Historians such as Anthony A. Barrett suggest that later Roman chroniclers such as Suetonius and Dio Cassius were influenced by the political situation of their own times, when it may have been useful to the current emperors to discredit the earlier Julio-Claudian emperors. Also, the lurid nature of the story added spice to their narratives, winning them additional readers. One suggestion is that
Frederick I, Holy Roman Emperor be a romantic reactionary, reveling in the antiquarian spirit of the age, exemplified by a revival of classical studies and Roman law. It was through the use of the restored Justinian code that Frederick came to view himself as a new Roman emperor. Roman law gave a rational purpose for the existence of Frederick and his imperial ambitions. It was a counterweight to the claims of the Church to have authority because of divine revelation. The Church was opposed to Frederick for ideological reasons, not the least of which was the humanist nature found in the revival of the old