Communities built around shared hobbies are often quite long-lived. Especially when the hobby is not too demanding and people can continue participating throughout their lives.
I'm most familiar with those based on tabletop games and science fiction. You can find plenty of volunteer-run conventions that have been around for decades. That often implies that there is a thriving local community behind the event.
I'm most familiar with those based on tabletop games and science fiction. You can find plenty of volunteer-run conventions that have been around for decades. That often implies that there is a thriving local community behind the event.