When Is National Black Cow Day?


National Black Cow Day is on the 10th of June with 206 tweets.

More on Black Cow Day below.



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About Black Cow Day

Is It Black Cow Day Today?

It's Black Cow day on the 10th of June.

Black Cow Day' is by our calculation on: June the 10th. The first time we detected Black Cow Day was the 10th of June 2015 and the most recent detection of references to Black Cow Day was 6 months, 1 week ago.

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

There were many celebrations relating to national holdiays written about on social media that our algorithms picked up, on the 10th of June. In total we detected 124 total unique days being shared such as Iced Tea Day which had 4,490 people talking about it, or Sweet Tea Day having 3,659 tweets. A random sample of which are shown below.


National days on the 10th of June

National Black Cow Day, on the 10th of June

How Is The Date For Black Cow Day Calculated?

The day shown for 'National Black Cow Day' is based off how much chitter-chatter and buzz there was on June 10, 2015 across social media making references to 'Black Cow 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: Best Friend, Bestfriend or Best Friends Day. This crowdsourcing of data method to assess the National Black Cow 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 Black Cow Day

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

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National Black Cow Day

It's Black Cow Day
On June 10th

Can I Register Black Cow Day?

We don't have an international authority or governmental remit to declare any officially celebrated "national Black Cow 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 Black Cow 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.

teenagers sharing national days on social media

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

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

We have also detected mentions of Black Cow day on;



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