So there is a big group based on the fandom of my little pony
My Little Pony is based on the toy franchise based on dolls and play sets. It aired on Discovery Family. What is the name of this fan group?
Friendship is Magic.  It is actually mostly for adults and cosplayers
It was a tv series based on My Little Pony and it also aired on Discovery Family. Do they have events and get togethers?
They have conventions.  One of the major ones is called BronyCon.  
So BronyCon meets annually in the United States for fans of the show.
Yes.  It is on the east coast.  Brony stands for bro and pony
There have been eight events with one that had over 7600 attendees. Since brony stands for BRO, does this mean most of the fans are male?
Yes.  The term was popularized on 4Chan.  It surprised the makers of the show that they had attracted an audience of adult males to the show
4chan
4chan is an English-language imageboard website. Users generally post anonymously, with the most recent posts appearing above the rest. 4chan is split into various boards with their own specific content and guidelines. Registration is not possible (except for staff).
Launched on October 1, 2003, the site was modeled on Japanese imageboards, particularly Futaba Channel. 4chan's first boards were originally primarily used for posting pictures and discussing manga and anime. The site quickly became popular, expanded, and now features boards dedicated
My Little Pony: Friendship Is Magic fandom
"" is an animated television series produced by Hasbro as part of the "My Little Pony" toy franchise, which is tied in with the 2010 relaunch of dolls and play sets and original programming for the American children's cable channel Discovery Family (formerly Hub Network). Lauren Faust was selected as the creative developer and executive producer for the show based on her previous animation experience with other animated shows such as Cartoon Network's "The Powerpuff Girls" and "Foster's