One Time Events: Kirin Day (April 10th) Cheerilee and Friends Day (February 12th) Tempest Shadow Day (May 20th) Griffon Day (August 14th) Dragon Day (July 28th) Bat Pony Day (Nov 9th) Villain Day (Nov 12th) For the sake of simplicity and since we get a lot of questions about this, I've thrown together a calendar showing off each specific pony celebration day. Save it, use it, prepare with it, and be ready to celebrate the glories of each main cartoon horse on the show! Or dragon in Spike's…