“How do you know whether or not an event is an “A.A.” event? The criteria generally in place for an event to be considered “an A.A. event” is that it be put on by A.A.s, for A.A.s and about A.A.”
From G.S.O. Guidelines MG-04 on Conferences, Conventions and Roundups

Men’s Memorial Day Weekend Retreat
May 23 - May 25
The ABC’s of Recovery