Special event
Special event means a sports event, pageant, celebration, historical reenactment, entertainment, exhibition, parade, fair, festival, or similar activity that is not a demonstration, engaged in by one or more persons, the conduct of which is reasonably likely to attract a crowd or onlookers. This term does not include casual park use by persons that is not reasonably likely to attract a crowd or onlookers.
Source
36 CFR § 12.3
Scoping language
The following definitions apply only to the regulations in this part: