I thought this would be a fun one to add to my Outlook recurring events...
However I can't figure out what day on July it should fall on. I have seen several sources all indicating different days: July 13th, 14th, 15th and 18th.
Google doesn't seem to point to anything more authoritative than Chik-Fil-A. About.com is way off from everyone else (they're the ones showing the 18th), and it doesn't even rate an entry in the Wikipedia.
So... clearly this is no nationally recognized event, nor does anyone appear to claim they are the first to celebrate.
If you had cows, what would you do?