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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/world-war-ii/manhattan-project-bomb-you-havent-heard","headline":"The Manhattan Project Bomb You Haven’t Heard Of","description":"One atomic bomb was used in a test explosion. Two more bombs were deployed over Japan. That left a mysterious fourth bomb—code-named Thin Man—in the U.S. nuclear arsenal.","author":{"@type":"Person","name":"Anne Wheeler"},"datePublished":"2013-09-05T13:00:00Z","dateModified":"2025-08-21T21:18:38Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/world-war-ii/manhattan-project-bomb-you-havent-heard"}}

{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/world-war-ii/v-j-day-end-of-world-war-ii-facts","headline":"12 Facts About the End of World War II","description":"Savage battles, atomic bombs, and shark attacks were just some of the events leading up to the end of World War II in August 1945. Here's a look back on its 80th anniversary.","author":{"@type":"Person","name":"Mark Mancini"},"datePublished":"2020-07-31T16:00:00Z","dateModified":"2025-08-08T18:22:18Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/world-war-ii/v-j-day-end-of-world-war-ii-facts"}}

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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/world-war-ii/lucky-city-escaped-nagasakis-bomb","headline":"How the Japanese City of Kokura Narrowly Avoided Nagasaki’s A-Bomb","description":"Kokura was the original target, but avoiding the atomic bomb may have been more than just random chance.","author":{"@type":"Person","name":"Christopher Klein"},"datePublished":"2016-08-09T00:00:00Z","dateModified":"2025-08-08T16:10:19Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/world-war-ii/lucky-city-escaped-nagasakis-bomb"}}

{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/world-war-ii/crew-enola-gay-dropping-atomic-bomb","headline":"How 12 ‘Enola Gay’ Crew Members Remember Dropping the Atomic Bomb","description":"After dropping the atomic bomb over Hiroshima on August 6, 1945, almost all of the 12 men aboard the ‘Enola Gay’ had something to say about it.","author":{"@type":"Person","name":"Miss Cellania"},"datePublished":"2015-08-06T12:30:00Z","dateModified":"2025-08-08T20:06:29Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/world-war-ii/crew-enola-gay-dropping-atomic-bomb"}}

{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/world-war-ii/atomic-bombings-of-hiroshima-and-nagasaki","headline":"12 Facts About the Atomic Bombings of Hiroshima and Nagasaki","description":"Eighty years after the first—and only—deployment of atomic bombs, here’s a look back at one of history’s most devastating acts of war.","author":{"@type":"Person","name":"Colin Scanlon"},"datePublished":"2025-08-06T12:01:00Z","dateModified":"2025-08-06T12:01:00Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/world-war-ii/atomic-bombings-of-hiroshima-and-nagasaki"}}

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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/world-war-ii/70-years-later-uss-indianapolis-vets-recall-surviving-shark-infested-waters","headline":"Watch USS ‘Indianapolis’ Vets Recall Surviving Shark-Infested Waters","description":"The worst shark attack in history followed the bombing and sinking of the USS Indianapolis on July 30, 1945.","author":{"@type":"Person","name":"Jen Pinkowski"},"datePublished":"2015-07-30T18:30:00Z","dateModified":"2025-05-22T19:32:02Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/world-war-ii/70-years-later-uss-indianapolis-vets-recall-surviving-shark-infested-waters"}}

{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/geography/maps/astounding-counterfeit-nazi-invasion-map-youve-never-heard","headline":"The Astounding Counterfeit Nazi Invasion Map You’ve Never Heard Of","description":"President Franklin D. Roosevelt used the map to justify the United States entering World War II—but as one historian told Mental Floss, “was a fiction forged by the British intelligence service.”","author":{"@type":"Person","name":"William Herkewitz"},"datePublished":"2015-02-18T13:00:00Z","dateModified":"2025-05-12T16:37:41Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/geography/maps/astounding-counterfeit-nazi-invasion-map-youve-never-heard"}}

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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/history/war/lesser-known-war-memorials","headline":"11 Lesser-Known War Memorials","description":"These tributes to fallen soldiers may not be as instantly recognizable as the Vietnam Memorial and others, but their stories are no less fascinating—including one that doubles as a mausoleum right in Manhattan.","author":{"@type":"Person","name":"Jake Rossen"},"datePublished":"2021-11-11T12:10:00Z","dateModified":"2025-05-14T17:11:18Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/history/war/lesser-known-war-memorials"}}

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{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/literature/books/how-wwii-saved-great-gatsby-obscurity","headline":"How WWII Saved ‘The Great Gatsby From Obscurity","description":"F. Scott Fitzgerald’s great American novel was a flop—until it was deployed overseas.","author":{"@type":"Person","name":"Hannah Keyser"},"datePublished":"2015-04-06T11:00:00Z","dateModified":"2025-04-10T14:28:31Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/literature/books/how-wwii-saved-great-gatsby-obscurity"}}

{"@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"}}

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{"@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"}}

{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://www.mentalfloss.com/language/slang/gilded-age-society-slang-decoded","headline":"From 'Dollar Princess' to 'The Four Hundred,' Decoding the Gilded Age's High-Society Slang","description":"Ever wondered what Gilded Age high society meant by \"dollar princess\" or \"the alum\"? Decode the 19th-century slang used in HBO’s 'The Gilded Age.'","author":{"@type":"Person","name":"Paul Anthony Jones"},"datePublished":"2026-11-08T23:00:01Z","dateModified":"2026-11-08T23:00:01Z","mainEntityOfPage":{"@type":"WebPage","@id":"https://www.mentalfloss.com/language/slang/gilded-age-society-slang-decoded"}}

{"@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"}}