When Is National Superhero Day?

The internet history of Superhero Day

28th of April is National Superhero Day

  First detected on the 16th of April 2015

  35,573 tweets

superhero superhero shirt tearing

Is It Superhero Day Today?

It's Superhero day on the 28th of April.

The most recent detection of references to Superhero Day was 2 months, 2 weeks ago.

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up on the 28th of April. In total we detected 93 total unique days being shared such as Superhero Day which had 8,805 people talking about it, or Super Hero Day having 558 tweets.


How Is The Date For Superhero Day Calculated?

The day shown for 'National Superhero Day' is based off how much chitter-chatter and buzz there was on April 28, 2016 across social media making references to 'Superhero Day'. 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, including others such as: Blueberry Pie, Pretzel or Pay It Forward Day. This crowdsourcing of data method to assess the National Superhero Day date is used as opposed to being connected with any Government sacntioned lists :D Hurrah for democracy by concensus!


I'd Like To Promote National Superhero Day

We've put together the following resources full of nifty tips on how to increase the reach of Superhero Day. The resources include: graphs, badges, and resources on what steps to take to boost Superhero Day's visibility.

Can I Register Superhero Day?

We don't have an international authority or governmental remit to declare any officially celebrated "national Superhero day". We only aim to programatically reflect what 'National Day' it is based of what The Internet Says It Is. We believe this is much more fun as it reflects the nature of how the most amusing / interesting national days are often created organically and grow based off popular social trends and sharing, as such we don't add new days to our database unless they are organically observed on social media.



Is it National Superhero Day Everywhere?

Yes? No.. Sort of | Maybe ¯\_(ツ)_/¯

What's really intersting is how whilst some National Days like National Daughters Day are seemingly celebrated internationally irrespective of geography, some very popular days (That often become the No. 1 National Day on our homepage) are in fact locally very specific and are offical holidays celebrated on a Country's national calendar. Take National Rambutan Day for instance, Rambutan is a popular Souteast Asian fruit and not seen so much in the UK, Europe or the USA. Some regionally specific trends subsequently become immensely popular internationally and worldwide, partly fuelled by widely shared 'National Days', National Pabebe Wave Day being one such example.


We're now tracking the sentiment around every mention of Superhero day to show how people feel about Superhero. See if people like Superhero here.
We're detecting how Superhero affects other things more widely than just being a celebrated day. See how Superhero affects company share prices.


Hang On, It Was National Superhero Day Already This Year..!?

Yes, this is strangely enough entirely possible. The date shown for National Superhero Day can change, if for instance several hundred people tweeted about Superhero Day in early April, then in May a few thousand people tweeted about Superhero day, then the date shown for National Superhero Day, could come up twice :D

We have also detected mentions of Superhero day on;



Get The Badge

National Superhero Day

It's Superhero Day
On April 28th


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National Superhero Day, on the 28th of April

Other Days

National Superhero Day
National Philanthropy Day
National Star-Wars Day
National Comic-Book Day
National Super-Hero Day
National Bootie Day
National Spiderman Day
National Lego Day


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For people who wish to promote National Superhero Day, we've put together the following resources.
See also: How does Superhero affect the share price of Apple, Facebook, Microsoft?
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