It's National Super Hero Day on May 26th.
More on Super Hero Day and the other days on the 26th below.
We detected 2,716 references to national Super Hero day on 26th the May. There were also a total of 79 other national days mentioned including: Sorry, Cemetery For Memorial, Paper Airplane and Wine Day.
The day shown for 'National Super Hero Day' is shown as we detected that day mentioned the most out of all the references to national days there were on May the 26th across social media. Our algorithms examine all of the references to National Days across social media and updates whatnationaldayisit.com hourly, with our homepage displaying the current national day. This crowdsourcing of data method to assess the National Day date is used as opposed to being connected with any Government sacntioned lists :D Hurrah for democracy by concensus!