Well, I think 45 day is the only pistol day I "celebrate", but I do like to plan events around .223 day, Feb 2nd and 3rd. lol and my favorite, .308 day, March 8th. When I get to bring out my M1A. I guess you could do 5.56 days (May 5th and 6th), 7.62 day (2 days in July) and what .300 Blackout...