As always, RSVPs are not required but encouraged to show social proof that people are going.
PWe have a Google Calendar with all our events you can add by clicking this link.
PS: It's Petrov Day today!
For a few days I had this setup for today on Facebook/Meetup, but last week I bumped forward a week since today is Petrov Day and there is a Petrov Day ritual being held in Cambridge at a private residence (if you would like details on it, send me an email).