Patron saint festival
Saint Michael the Archangel, patron of the ducal town of the Orsini and Barberini
📅 Every year, on 29 September
Monterotondo celebrates Saint Michael the Archangel on 29 September; the town's duomo, built by the Barberini from 1639, was visited by Pope Urban VIII and later by Pope Gregory XVI, who raised it to minor basilica status in 1845.
