International Panic Day USL June 18, 2015 USL Stories Today is International Panic Day, a day for everyone to be worried and concerned. We’re not sure what is so big, and so widespread, to create an international incident of this magnitude. But, here it is on the calendar folks……an international day of panic. This is not the only day to be paniced. The month of March also has a Panic Day. Leave a Reply Cancel Reply You must be logged in to post a comment.