"was followed immediately by the five-day festival of Flora. Then there was the Day of Apollo, the Tarentine Games, the Festival of Mars, and so on."

Religious Procession Depicted on the Augustan Ara Pacis (altar of peace)
GNU Free Documentation LicenseReligious Procession Depicted on the Augustan Ara Pacis (altar of peace) - Credit: MM/Wikimedia Commons
The Roman calendar was full of festivals and public holidays such as these, honouring various major or minor gods. Read more about the many different Roman festivals here.