It's National Pepperoni Pizza Day on September 20th.
More on Pepperoni Pizza Day and the other days on the 20th below.
We detected 2,271 references to national Pepperoni Pizza day on 20th the September. There were also a total of 56 other national days mentioned including: Talk Like A Pirate, Crankgameplays, Butterscotch Pudding and Voter Registration Day.
The day shown for 'National Pepperoni Pizza Day' is shown as we detected that day mentioned the most out of all the references to national days there were on September the 20th 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!