The Roman festivals reference article from the English Wikipedia on 24-Apr-2004
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Roman festivals

This is a List of festivals in Ancient Rome, including religious feasts, normal games and political activities, organized by date. Some of these festivals were instituted in different eras. When possible, the initial date is stated.

The most important festivals were the Saturnalia, the Bacchanalia, the Lupercalia and the Bona Dea rites.