August 13Idus August
Dianae, Vortumno, Fortunae Equestri. Herculi Victori, Castori, Polluci, Camenis
Celebration of several cults, including Jupiter to whom all Ides were sacred.
Dianae in Aventino - Celebrating Diana's cult included a day's holiday for all slaves.
Vortumno in Aventino - Vortumno in Loreto maiore. Vortumnus was an Etruscan god.
29 B.C. Octavian celebrated his first triple triumph (Illyria, Actium and Alexandria) from August 13-15.