Title: Weird Holidays Facts, History & Quizzes | Mental Floss
Open Graph Title: Weird Holidays Facts, History & Quizzes | Mental Floss
X Title: Weird Holidays Facts, History & Quizzes | Mental Floss
Description: Discover fun facts, trivia, and surprising stories about weird holidays on Mental Floss—content that entertains, educates, and satisfies your curiosity.
Open Graph Description: Discover fun facts, trivia, and surprising stories about weird holidays on Mental Floss—content that entertains, educates, and satisfies your curiosity.
X Description: Discover fun facts, trivia, and surprising stories about weird holidays on Mental Floss—content that entertains, educates, and satisfies your curiosity.
Opengraph URL: https://www.mentalfloss.com/holidays/weird-holidays
Domain: www.mentalfloss.com
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/if-march-15-ides-march-what-does-make-march-16","headline":"If March 15 Is the Ides of March, What Does That Make March 16?","description":"The Romans referred to the days of the month by their relation to the 'Kalends,' the 'Ides,' and the 'Nones.' If Caesar had been killed any other day, his famous warning might have sounded much less ominous.","author":{"@type":"Person","name":"Nick Greene"},"datePublished":"2019-03-16T09:00:00Z","dateModified":"2019-03-16T09:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/if-march-15-ides-march-what-does-make-march-16"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/science/math/engineer-calculates-pi-31-trillion-digits-world-record","headline":"Google Engineer Calculates Pi to 31 Trillion Digits, Sets New World Record","description":"Pi, a.k.a. the ratio of a circle's circumference to its diameter, is infinite. But a Google engineer has calculated the first 31 trillion digits of the figure just in time for Pi Day.","author":{"@type":"Person","name":"Michele Debczak"},"datePublished":"2019-03-14T11:30:00Z","dateModified":"2019-03-14T11:30:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/science/math/engineer-calculates-pi-31-trillion-digits-world-record"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/holidays/christmas/10-grievance-worthy-facts-about-festivus","headline":"9 Grievance-Worthy Facts About Festivus","description":"What began as a joke on a 1997 episode of ‘Seinfeld’ has morphed into a global, anti-commercialism phenomenon: Festivus.","author":{"@type":"Person","name":"Jennifer M Wood"},"datePublished":"2018-12-23T08:00:00Z","dateModified":"2020-12-23T13:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/holidays/christmas/10-grievance-worthy-facts-about-festivus"}}
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/holidays/weird-holidays/10-saccharine-facts-about-sweetest-day","headline":"10 Saccharine Facts About Sweetest Day","description":"This holiday is mostly contained to the Great Lakes region, but for some retailers, its sales are better than those for Mother's Day.","author":{"@type":"Person","name":"Stacy Conradt"},"datePublished":"2018-10-20T10:00:00Z","dateModified":"2018-10-20T10:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/holidays/weird-holidays/10-saccharine-facts-about-sweetest-day"}}
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/culture/weird/foreign-relations-12-notorious-alleged-ufo-incidents","headline":"Foreign Relations: 12 Notorious, Alleged UFO Incidents","description":"In honor of World UFO Day (on July 2), here are 12 accounts of flying objects that remain fascinating for believers and skeptics alike.","author":{"@type":"Person","name":"Maggie Malach"},"datePublished":"2017-07-02T14:00:00Z","dateModified":"2017-07-02T14:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/culture/weird/foreign-relations-12-notorious-alleged-ufo-incidents"}}
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