It's National Thigh Five Day on April 21st.
More on Thigh Five Day and the other days on the 21st below.
We detected 5,449 references to national Thigh Five day on 21st the April. There were also a total of 110 other national days mentioned including: Drug Test, Thigh Five, High Five and Lima Bean Respect Day.
The day shown for 'National Thigh Five Day' is shown as we detected that day mentioned the most out of all the references to national days there were on April the 21st 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!