Augustus (14 AD) states that citizens prayed in sanctuaries for his health and celebrated games for his life. Cassius Dio, a Roman historian of Greek origin, confirms this. In Roman History, God (1924) outlines how the Circus games, which determined the succession of priests, were permanently celebrated on Augustus' birthday to celebrate his life and originated from an event held in honor of Augustus' victory at Actium. As an author-senator nearly two hundred years after the events, Dio reflects the dominant view of upper-class Romans sympathetic to the principality established by Augustus. However, Roman history constitutes the most extensive account of Augustus' reign and is considered reliable. An inscription discovered in a forum in Gaul further validates acts of celebration and sacrifice,