Bison-ten Yell Day
September 2
About Bison-ten Yell Day
Bison-ten Yell Day is observed on 2 September each year, a quirky and light-hearted observance that celebrates wordplay, creative communication, and the joy of deliberate silliness. The name itself is the point: if you say “Bison-ten Yell” quickly and repeatedly, it sounds remarkably like “bicentennial”, and the day leans fully into that phonetic joke.
What is Bison-ten Yell Day?
Bison-ten Yell Day is an informal and playful observance with no official governing body, no formal origin story, and no strict rules for participation. It sits comfortably within the tradition of quirky American observances that exist primarily to invite people to take a step back from everyday seriousness and enjoy something absurd. The day is described variously as celebrating the invention of military signal codes, the concept of secret communication systems, and the imaginary 200th birthday of a fictional figure whose identity changes depending on who is telling the story.
At its core, Bison-ten Yell Day is about the fun of language. The name is a phonetic pun, a set of words chosen because they sound like something else entirely when spoken aloud at speed. Saying “Bison-ten Yell” quickly produces “bicentennial”, and the discovery of that trick is, for many people, the entire celebration. It is the kind of wordplay that delights children and adults equally, and it asks nothing more of participants than a willingness to say something silly.
When is Bison-ten Yell Day?
Bison-ten Yell Day is observed on 2 September every year. The date is consistent and fixed, though it has no tie to any historical event specifically associated with the second of September beyond the phonetic pun at its heart.
Why Bison-ten Yell Day Matters
In a calendar year filled with awareness days dedicated to serious causes, Bison-ten Yell Day offers something different: an unabashed invitation to play. There is genuine value in that. Humour and wordplay are fundamental parts of human communication, and observances like this one serve as a reminder that not every date on the calendar needs to carry weight.
The day also touches on some genuinely interesting history around communication signals and codes. Military signal systems, from the semaphore flags used in the Napoleonic Wars to the coded drum signals used in various cultures, represent a fascinating chapter in the history of human communication. While Bison-ten Yell Day does not claim to be a serious history lesson, it does gesture toward the idea that signal systems and creative communication have always mattered to human societies.
More broadly, the day is an example of how internet culture and informal calendar-making have created a new genre of observances. Many modern quirky days began not with charities or government bodies, but with individuals who decided a particular date deserved a theme, however strange.
How to Celebrate Bison-ten Yell Day
- Say the phrase – The most obvious way to celebrate is simply to say “Bison-ten Yell” out loud, quickly, and see how long it takes someone nearby to notice what it sounds like. This is the day’s central joke and its simplest pleasure.
- Create your own secret signals – Invent a small system of hand signals or sounds with your friends, family, or colleagues. Use them throughout the day and see who picks them up.
- Explore the history of codes and signals – Use the day as a starting point for reading about semaphore, Morse code, or the history of military communication. These are genuinely interesting subjects that merit more attention than they usually receive.
- Yell something nonsensical – The day’s name includes “Yell”, and there is no reason not to take that literally in an appropriate setting. Find an open space and let rip.
- Share the pun – Post the phrase on social media with the relevant hashtags and enjoy watching people work out the joke for themselves.
History of the Observance
The exact origin of Bison-ten Yell Day is, fittingly, somewhat murky. It appears to have emerged from the American tradition of inventing quirky commemorative days with minimal documentation. Various sources describe it as created by enthusiasts of wordplay and unusual holidays, but no definitive founder has been identified. The day has been listed on informal holiday calendars for at least the past decade and has a small but loyal following among people who appreciate its particular brand of deliberate absurdity.
The phonetic trick at the heart of the day is simple enough that it has independent appeal across age groups. Teachers have used it in classrooms as a way to discuss phonetics and wordplay. Parents have used it as a conversation starter about language with children.
Noteworthy Facts About Bison-ten Yell Day
- The phonetic trick works best when “Bison-ten Yell” is said quickly and repeatedly: say it three or four times in a row and “bicentennial” becomes very clear.
- The day is listed on several major informal holiday calendar sites, including National Today and Days of the Year, which has helped give it a degree of visibility beyond niche wordplay communities.
- Phonetic wordplay of this kind, where a phrase sounds like another word or phrase, is a form of homophonic pun. The observation requires no equipment, no preparation, and no budget.
- The observance is entirely non-commercial and free of any corporate association, making it a rare example of an awareness day that has not been adopted or sponsored by any brand.
- September 2 is already a date with historical significance, marking Vietnam’s National Day and the end of the Second World War in 1945, making it a day of unusual variety on the global calendar.
Hashtags for Bison-ten Yell Day
- #BisonTenYellDay
- #BisontenYell
- #QuirkyHolidays
- #WordplayDay
Featured image: Photo by Bryce olsen on Unsplash.
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