It's National Museum Day on September 3rd.
More on Museum Day and the other days on the 3rd below.
We detected 396 references to national Museum day on 3rd the September. There were also a total of 45 other national days mentioned including: Museum, Coming Out, Dog and Museum Of Brazil On This Dark Day.
The day shown for 'National Museum Day' is shown as we detected that day mentioned the most out of all the references to national days there were on September the 3rd 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!