Title: Mystery Facts, History & Quizzes | Mental Floss
Open Graph Title: Mystery Facts, History & Quizzes | Mental Floss
X Title: Mystery Facts, History & Quizzes | Mental Floss
Description: Discover fun mystery facts, trivia, and surprising stories on Mental Floss—content that entertains, educates, and satisfies your curiosity.
Open Graph Description: Discover fun mystery facts, trivia, and surprising stories on Mental Floss—content that entertains, educates, and satisfies your curiosity.
X Description: Discover fun mystery facts, trivia, and surprising stories on Mental Floss—content that entertains, educates, and satisfies your curiosity.
Opengraph URL: https://www.mentalfloss.com/history/mystery
Domain: www.mentalfloss.com
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/heartbreaking-reason-call-it-amber-alert","headline":"The Heartbreaking Reason We Call It an 'Amber Alert'","description":"What began as an unimaginable tragedy became a lifesaving system that has helped reunite thousands of families.","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-07-07T18:00:02Z","dateModified":"2026-07-07T18:00:03Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/heartbreaking-reason-call-it-amber-alert"}}
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/science/mysterious-global-hum","headline":"The Mystery of the \"Global Hum,\" the Droning Sound Reported By Thousands","description":"Experts aren't positive why some people hear a humming noise that never ceases. However, new research may offer an explanation for the sound, which inspired the show \"The Listeners.\"","author":{"@type":"Person","name":"Eden Gordon"},"datePublished":"2026-06-12T16:00:02Z","dateModified":"2026-06-12T16:00:02Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/science/mysterious-global-hum"}}
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/unsolved-dyatlov-pass-mystery-what-happened-nine-hikers","headline":"The Unsolved Mystery of Dyatlov Pass: What Happened to the 9 Hikers?","description":"On January 23, 1959, 10 young adventurers headed into the snowy wilderness of the Ural Mountains, but only one returned alive.","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-06-02T22:00:01Z","dateModified":"2026-06-02T22:06:35Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/unsolved-dyatlov-pass-mystery-what-happened-nine-hikers"}}
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/the-year-without-a-summer-real-stranger-than-sounds","headline":"The \"Year Without a Summer\" Was Real, and It’s Even Stranger Than It Sounds","description":"In 1816, people around the world woke to frosted crops and summer snowfalls that forecasters at the time could not explain—but now we know why it happened. ","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-05-27T00:00:00Z","dateModified":"2026-05-27T00:00:01Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/the-year-without-a-summer-real-stranger-than-sounds"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/unsolved-aviation-mysteries-stranger-than-fiction","headline":"5 Unsolved Aviation Mysteries Stranger Than Fiction","description":"From Amelia Earhart to D.B. Cooper, many theories surround these long-standing aviation mysteries, without any conclusions made.","author":{"@type":"Person","name":"Jane Alexander"},"datePublished":"2026-05-22T19:00:03Z","dateModified":"2026-05-22T19:00:03Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/unsolved-aviation-mysteries-stranger-than-fiction"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/geography/wanderlust/places-that-defy-gravity","headline":"5 Places Around the World That Seem to Defy Gravity ","description":"From waterfalls that fall upwards to leaning towers and boulders teetering on the edges of hillsides, these places all seem to break the rules of gravity.","author":{"@type":"Person","name":"Lorna Wallace"},"datePublished":"2026-05-21T14:00:03Z","dateModified":"2026-05-21T14:00:03Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/geography/wanderlust/places-that-defy-gravity"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/mysterious-disease-left-people-frozen-inside-own-bodies","headline":"The Mysterious 20th-Century Disease That Left People Frozen Inside Their Own Bodies","description":"For years, sometimes decades, victims remained conscious but completely unable to move, trapped like living statues. ","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-05-18T22:00:00Z","dateModified":"2026-05-18T22:00:01Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/mysterious-disease-left-people-frozen-inside-own-bodies"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/strange-months-long-laughing-epidemic-1962-no-one-could-stop","headline":"The Strange Months-Long Laughing Epidemic of 1962 No One Could Stop","description":"The unusual symptoms spread across multiple communities, shut down schools, and lasted for months.","author":{"@type":"Person","name":"Unknown"},"datePublished":"2026-05-18T00:00:01Z","dateModified":"2026-05-18T00:00:01Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/strange-months-long-laughing-epidemic-1962-no-one-could-stop"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/5-historical-figures-led-double-lives","headline":"5 Historical Figures That Led Double Lives ","description":"From acclaimed aviators with secret families to Hollywood icons moonlighting as inventors, these five famous figures' real lives were even more fascinating than their public personas. ","author":{"@type":"Person","name":"Colin Scanlon"},"datePublished":"2026-05-13T12:00:02Z","dateModified":"2026-05-13T12:00:02Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/5-historical-figures-led-double-lives"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/amelia-earhart-disappearance-3-theories-experts-explain","headline":"Amelia Earhart’s Disappearance: 3 Enduring Theories Experts Still Can’t Explain","description":"Nearly a century after her vanished flight, Amelia Earhart’s fate remains one of aviation’s greatest mysteries.","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-05-06T18:00:00Z","dateModified":"2026-05-06T18:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/amelia-earhart-disappearance-3-theories-experts-explain"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/christopher-columbus-cryptic-signature-explained","headline":"Did Christopher Columbus Hide a Cryptic Message in His Signature? What History Says","description":"In 1492 Columbus sailed the ocean blue—but why did he sign his name like that? ","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-05-05T00:00:00Z","dateModified":"2026-05-05T00:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/christopher-columbus-cryptic-signature-explained"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/did-cleopatra-die-from-snake-bite-history","headline":"Did Cleopatra Really Die From a Snake Bite? Here's What History Tells Us","description":"A growing number of historians favor a different explanation for her death.","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-05-02T18:00:00Z","dateModified":"2026-05-02T18:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/did-cleopatra-die-from-snake-bite-history"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/medieval-mystery-city-danced-death","headline":"The Medieval Mystery of a City That Danced Itself to Death","description":"In 1518, residents of Strasbourg began dancing uncontrollably for days until they passed away. ","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-04-24T18:00:00Z","dateModified":"2026-04-24T18:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/medieval-mystery-city-danced-death"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/mystery/unsolved-mysteries-experts-can-t-explain","headline":"7 Unsolved Mysteries Experts Still Can't Explain","description":"These unsettling cases will challenge everything you think you know about reality.","author":{"@type":"Person","name":"Logan DeLoye"},"datePublished":"2026-04-09T22:00:00Z","dateModified":"2026-04-09T22:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/mystery/unsolved-mysteries-experts-can-t-explain"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/language/words/everyday-words-came-from-ancient-egypt","headline":"9 Everyday Words That Came From Ancient Egypt","description":"The ancient language of the pharaohs died out centuries ago, but bits of it remain.","author":{"@type":"Person","name":"Matt Hoffman"},"datePublished":"2026-11-12T19:00:02Z","dateModified":"2026-11-12T19:00:02Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/language/words/everyday-words-came-from-ancient-egypt"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/family-feud-behind-adidas-puma","headline":"The Wartime Family Feud That Created Adidas and Puma","description":"Irreconcilable differences led German brothers Rudi and Adi Dassler to part ways. The result was rival shoe empires.","author":{"@type":"Person","name":"Eden Gordon"},"datePublished":"2026-11-12T01:00:00Z","dateModified":"2026-11-12T01:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/family-feud-behind-adidas-puma"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/culture/folklore-mythology/real-mythology-helped-inspire-jrr-tolkien-elves","headline":"The Real Mythology That Helped Inspire J.R.R. Tolkien's Elves","description":"How Old Norse sagas, Anglo-Saxon poems, and Irish mythology helped J.R.R. Tolkien transform tiny Victorian fairies into the majestic Elves of Middle-earth.","author":{"@type":"Person","name":"Matt Hoffman"},"datePublished":"2026-11-11T23:00:03Z","dateModified":"2026-11-11T23:00:03Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/culture/folklore-mythology/real-mythology-helped-inspire-jrr-tolkien-elves"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/literature/books/kurt-vonnegut-best-worst-books","headline":"The Books Kurt Vonnegut Considered His Best—and Worst","description":"In 1981, Kurt Vonnegut gave his own books a report card from A+ to D. Here is how he graded his best work—and the self-portrait that got his lowest mark.","author":{"@type":"Person","name":"Matt Hoffman"},"datePublished":"2026-11-11T01:00:01Z","dateModified":"2026-11-11T01:00:01Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/literature/books/kurt-vonnegut-best-worst-books"}}
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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/misconceptions/real-pocahontas-facts","headline":"5 Facts You Might Not Know About the Real Pocahontas","description":"Find out the real history of Pocahontas, from her true names (Matoaka and Amonute) to the truth behind John Smith’s famous execution story.","author":{"@type":"Person","name":"Colin Scanlon"},"datePublished":"2026-11-08T15:00:00Z","dateModified":"2026-11-08T15:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/misconceptions/real-pocahontas-facts"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/food/foods-families-ate-during-gilded-age","headline":"6 Foods Families Really Ate During the Gilded Age","description":"From potted ham and boiled cabbage to diamondback terrapin and celery, discover what high society—and working-class families—actually ate during the Gilded Age.","author":{"@type":"Person","name":"Nitya Rao"},"datePublished":"2026-11-08T01:00:01Z","dateModified":"2026-11-08T01:00:01Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/food/foods-families-ate-during-gilded-age"}}
{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/entertainment/tv/real-historical-figures-gilded-ag","headline":"10 Real-Life Historical Figures in HBO’s 'The Gilded Age'","description":"The HBO show 'The Gilded Age' features a number of people who really did live during the Gilded Age, from the real Mrs. Catherine Astor to Booker T. Washington.","author":{"@type":"Person","name":"Paul Anthony Jones"},"datePublished":"2026-11-07T23:00:00Z","dateModified":"2026-11-07T23:00:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/entertainment/tv/real-historical-figures-gilded-ag"}}
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