There are so many holidays anymore that I doubt that there’s a day in the year that isn’t multi-purpose, so to speak. New holidays are being proposed all the time (International Talk Like A Pirate Day, Festivus, and Kwanzaa, for example). Dave Barry points out this one, which has been in existence for a few years. It doesn’t appear that there are any suggested activities that have risen to the level of traditions for National Cleavage Day, however, so feel free to celebrate today in any appropriate manner.