Surely you're not suggesting that another excuse to get ship faced, eat yourself silly, make a lot of loud noises (BLAM!) and taking a day off can be a Bad Thing™?Happy 'Yeah, yeah, loads of countries have one, you're not special" Day to all my Septic cousins here in the 13 Colonies.
My personal favorite is Labor Day, when we all celebrate the joys of labor by refusing to do any.