Do you know what a terrific social event looks like?
It’s highly anticipated. It requires planning and effort on behalf of participants.
It has a clear purpose.
It compels people to interact both formally and informally. It provides people with plenty of non-scripted opportunities to chat.
People spend real time with each other.
There are traditions for newcomers.
There are rituals to observe.
It’s regular (held at constant time intervals).
The event has a clear time duration. The event has a clear closure point.
If you want to know why Christmas is so enduring, look no further than the above. In many ways, it’s the perfect event.
The more of the above you apply for your own community events, the better they will be.