Stuff You Missed in History Class

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Inventions for Pets Nov 19, 2025

Show notes

Cat litter, it could be argued, kicked off the pet products industry. After its invention in the 1940s, other inventors started to come up with products that today are standard in the homes of people with pets.

Research:

Caminiti, Kasey. “Inside the Secret Lives of Pets With Allen Simon.” DuJour. https://dujour.com/life/allen-simon-founder-wee-wee-pad-pet-products/
“Clays.” U.S. Geological Survey. https://pubs.usgs.gov/periodicals/mcs2025/mcs2025-clays.pdf
Crow, Frank. L. “Cat Tree.” Nov. 25, 1969. https://patentimages.storage.googleapis.com/65/fa/30/1290601d5476ab/US3479990.pdf
Edward Lowe Foundation. https://edwardlowe.org/
Gross, Daniel A. “How Kitty Litter went from happy accident to $2 billion industry.” Washington Post. Feb. 2, 2015. https://www.washingtonpost.com/national/health-science/you-wont-believe-how-old-that-kitty-litter-is/2015/02/02/9ecac9ea-a1b4-11e4-903f-9f2faf7cd9fe_story.html
Holding, Ray. “Cassopolis Man Valet for 10,000 Cats.” The Kalamazoo Gazette. Sept. 4, 1955. https://www.newspapers.com/image/1145480706/?match=1&terms=Ed%20Lowe%20Kitty%20Litter
“Kitty Litter.” (ad) The Ann Arbor News. Feb. 16, 1955. https://www.newspapers.com/image/1178883937/?match=1&terms=Ed%20Lowe%20Kitty%20Litter
“Kitty Litter Maker Selling Operations.” The New York Times. Sept. 13, 1990. https://www.nytimes.com/1990/09/13/business/company-news-kitty-litter-maker-selling-operations.html
“New Boon for Cat Owners.” Delaware County Daily Times. Nov. 16, 1949. https://www.newspapers.com/image/53207968/?match=1&terms=Ed%20Lowe%20Kitty%20Litter
“PetProducts.com | CEO Allen Simon & Kevin Yamano, VP Business Development | Innovators.” LilaMax Media. April 23, 2019. https://www.youtube.com/watch?v=TsHhyEcz-pQ
Simon, Allen. “Allen Simon.” LinkedIn profile: https://www.linkedin.com/in/allen-simon-592115111/
Simon, Allen. “Dog Toy.” U.S. Patent Office. Dec. 16, 2008. https://patentimages.storage.googleapis.com/40/31/65/61af50ca84b654/USD583113.pdf
Simon, Allen. “Scoop for Cat Littler.” U.S. Patent Office. Jan. 19, 1993. https://patentimages.storage.googleapis.com/c2/f4/01/b378f00dd92e8c/USD332675.pdf
Simon, Allen. “Bristled Grooming Glove.” U.S. Patent Office. Jan. 28, 2014. https://patentimages.storage.googleapis.com/b6/83/22/143c9b9392d608/USD698159.pdf
Thomas, Robert Mcg., Jr. “Edward Lowe Dies at 75; a Hunch Led Him to Create Kitty Litter.” New York Times. Oct. 6, 1995. https://www.nytimes.com/1995/10/06/us/edward-lowe-dies-at-75-a-hunch-led-him-to-create-kitty-litter.html
United Press International. “Ed Lowe Owes His Fortune to Kitty Litter.” L.A. Times Archive. June 16, 1985. https://www.latimes.com/archives/la-xpm-1985-06-16-sp-2907-story.html
“U.S. pet ownership statistics.” American Veterinary Medical Association. 2024. https://www.avma.org/resources-tools/reports-statistics/us-pet-ownership-statistics

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Balloon Riots Nov 17, 2025

Show notes

Ballooning became a huge fad starting in the late 18th century, and there was a surprising amount of rioting associated with it. Fervor, excitement, and intoxication in some instances, meant that balloon events were prone to get out of control.

Research:

Bond, Elizabeth Andrews. “Popular Science and Public Participation.” From The Writing Public: Participatory Knowledge Production in Enlightenment and Revolutionary France. Cornell University Press. 2021. https://www.jstor.org/stable/10.7591/j.ctv310vktg.8
Branson, Susan. “Scientific Americans.” Cornell University Press, 2022. Cornell University Press, 2022.
Coxwell, Henry Tracey. “My Life and Balloon Experiences.” W.H. Allen. 1889. https://archive.org/details/mylifeandballoo02coxwgoog/
Daily National Intelligencer. “The Balloon, and Conflagration of Vauxhall.” 9/14/1819. https://www.loc.gov/resource/sn83026172/1819-09-14/ed-1/?sp=2&q=vauxhall&r=0.48,-0.027,0.621,0.225,0
Franklin, Benjamin. “Benjamin Franklin to Ingenhousz, 16 January 1784.” https://founders.archives.gov/documents/Franklin/01-41-02-0310#BNFN-01-41-02-0310-fn-0005
“Hot-Air Balloon: Jean-François Janinet (1752–1814).” https://www.getty.edu/publications/artists-things/things/hot-air-balloon/#fnref8
Gillespie, Richard. “Ballooning in France and Britain, 1783-1786: Aerostation and Adventurism.” Isis, Vol. 75, No. 2 (June, 1984). https://www.jstor.org/stable/231824
Glaisher, James. “Travels in the Air.” R. Bentley. 1871. https://archive.org/details/ldpd_7245144_000
Holman, Brett. “The Melbourne balloon riot of 1858.” Airminded. 3/23/2017. https://airminded.org/2017/03/23/the-melbourne-balloon-riot-of-1858/
Jackson, Joseph. “Vauxhall Garden.” The Pennsylvania Magazine of History and Biography. Vol. LVII. No. 4. 1933.
Keen, Paul. “The ‘Balloonomania’: Science and Spectacle in 1780s England.” Eighteenth-Century Studies , Summer, 2006, Vol. 39, No. 4 (Summer, 2006). https://www.jstor.org/stable/30053707
Magazine Monitor. “Victorian Strangeness: The great balloon riot of 1864.” BBC. 8/9/2014. https://www.bbc.com/news/blogs-magazine-monitor-28674654
Robbins, John. “Up in the Air: Balloonomania and Scientific Performance.” Eighteenth-Century Studies, Vol. 48, No. 4, Special Issue: Performance. Summer 2015. Via JSTOR. https://www.jstor.org/stable/24690309
Robson, David. “The Victorians who flew as high as jumbo jets.” BBC. 4/20/2016. https://www.bbc.com/future/article/20160419-the-victorians-who-flew-as-high-as-jets
Smith, Zoe. “Disaster at 37,000 feet.” University of Cambridge. https://www.cam.ac.uk/stories/balloon-disaster
Soth, Amelia. “Hot Air Balloon Launch Riot!” JSTOR Daily. 2/3/2022. https://daily.jstor.org/hot-air-balloon-launch-riot/
Sparrow, Jeff. “Wrath and awe: a short history of balloons and their power to fire up mob fury.” The Guardian. 2/14/2023. https://www.theguardian.com/commentisfree/2023/feb/15/wrath-and-awe-a-short-history-of-balloons-and-their-power-to-fire-up-mob-fury
Sydney Morning Herald. “The Balloon Riot in the Domain: Death of Thomas Downs.” 12/19/1856. https://trove.nla.gov.au/newspaper/article/12990254
Sydney Morning Herald. “The Sydney Balloon.” Trove. 12/16/1856. https://trove.nla.gov.au/newspaper/article/12990120
The Rhode-Island American. “Riotous Proceedigns.” 9/14/1819. https://www.loc.gov/resource/sn83025442/1819-09-14/ed-1/?sp=3&q=vauxhall&r=-0.14,1.265,0.686,0.248,0
Tucker, Jennifer. “Voyages of Discovery on Oceans of Air: Scientific Observation and the Image of Science in an Age of ‘Balloonacy.’” Osiris, 1996, Vol. 11, Science in the Field (1996). Via JSTOR. https://www.jstor.org/stable/301930
Wroth, Warwick. “Cremorne and the Later London Gardens.” London. Elliot Stock. 1907.

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SYMHC Classics: Georgia Gold Rush Nov 15, 2025

Show notes

This 2018 episode covers the period in the late 1820s when north Georgia became the site of a gold rush that predated the California gold rush by two decades. It's also tied to some of the darkest parts of U.S. history regarding the treatment of Native Americans.

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Behind the Scenes Minis: Mary and Marjorie Nov 14, 2025

Show notes

Tracy shares the surprising benefit of not having access to a lot of specifics regarding the work of Mary Golda Ross. Holly talks about Marjorie Merriwether Post being a serial monogamist.

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Marjorie Merriweather Post Nov 12, 2025

Show notes

Marjorie Merriweather Post is most often mentioned today as the person who built Mar-a-Lago. But she was a unique figure as a woman who helmed a huge corporation when she was still in her 20s in the early 20th century.

Research:

Britannica Editors. "C.W. Post". Encyclopedia Britannica, 22 Oct. 2025, https://www.britannica.com/biography/C-W-Post
“C.W. Post a Suicide in California Home.” New York Times. May 10, 1914. https://timesmachine.nytimes.com/timesmachine/1914/05/10/100089022.pdf?pdf_redirect=true&ip=0
“The Diplomatic Legacy of Marjorie Merriweather Post.” National Museum of American Diplomacy. April 8, 2021. https://diplomacy.state.gov/stories/the-diplomatic-legacy-of-marjorie-merriweather-post/
Hillwood Estate, Museum & Gardens. https://hillwoodmuseum.org/
“Mrs. Marjorie Merriweather Post Is Dead at 86.” New York Times. Sept. 13, 1973.
Gruson, Kerry. “Post Home for Sale for $20 Million.” New York Times. July 16, 1981. https://timesmachine.nytimes.com/timesmachine/1981/07/16/195929.html?pageNumber=59
Martin, Roland. "Marjorie Merriweather Post". Encyclopedia Britannica, 8 Sep. 2025, https://www.britannica.com/biography/Marjorie-Merriweather-Post
Merolle, Guilhem. “Marjorie Merriweather Post’s most famous jewels.” Collectissim. Dec. 15, 2024. https://www.collectissim.com/en/marjorie-merriweather-post-most-famous-jewels/
Reid, Jan. “C.W. Post.” Texas Monthly. March 1987. https://www.texasmonthly.com/news-politics/c-w-post/
Stuart, Nancy Rubin. “American Empress: The Life and Times of Marjorie Meriweather Post.” Villard. 1995.
Stuart, Nancy Rubin. “Marjorie Merriweather Post: The Philanthropic Heiress Who Built Mar-a-Lago.” Saturday Evening Post. November 14, 2023. https://www.saturdayeveningpost.com/2023/11/marjorie-merriweather-post-the-philanthropic-heiress-who-built-mar-a-lago/

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Mary Golda Ross Nov 10, 2025

Show notes

Mary Golda Ross was the first Indigenous woman in the U.S. known to have become an engineer. Her impact on the field of aerospace engineering is hard to quantify, because much of her work is still classified.

Research:

Agnew, Brad. “Cherokee engineer a space exploration pioneer.” Tahlequah Daily Press. 3/27/2016. https://www.tahlequahdailypress.com/news/golda-ross-left-teaching-to-support-war-effort/article_c500cbc4-eeba-11e5-9b57-2b127651fcb5.html
Agnew, Brad. “Golda’ Ross left teaching to support war effort.” Tahlequah Daily Press. 3/20/2016. https://www.tahlequahdailypress.com/news/golda-ross-left-teaching-to-support-war-effort/article_c500cbc4-eeba-11e5-9b57-2b127651fcb5.html
Brewer, Graham Lee. “Rocket Woman.” Oklahoma Today. July/August 2018.
Cochran, Wendell. “Cherokee Tear Dress Facts.” The People’s Paths. https://www.thepeoplespaths.net/Cherokee/WendellCochran/WCochran0102TearDressFacts.htm
Hogner-Weavel, Tonia. “History of the Cherokee Tear Dress.” Cherokee Nation. Via YouTube. 9/15/2016. https://www.youtube.com/watch?v=90V5fM0DiMk
Lake, Timothy. "Mary Golda Ross". Encyclopedia Britannica, 5 Aug. 2025, https://www.britannica.com/biography/Mary-Golda-Ross. Accessed 21 October 2025.
Margolis, Emily. A. “Mary Golda Ross: Aerospace Engineer, Educator, and Advocate.” Smithsonian National Air and Space Museum. https://airandspace.si.edu/stories/editorial/mary-g-ross-aerospace-engineer
Museum of Native American History. “Historic Trailblazer: Mary Golda Ross.” Via YouTube. 12/17/2020. https://www.youtube.com/watch?v=OzC14hGbPug
National Park Service. “Mary G. Ross.” https://www.nps.gov/people/mary-g-ross.htm
New Mexico Museum of Space History. “Mary Golda Ross: First Native American Aerospace Engineer.” Via YouTube. 3/31/2023. https://www.youtube.com/watch?v=IT9r5trwZEs
Oklahoma Hall of Fame. “Mary Golda Ross Induction Ceremony Video.” 11/22/2023. https://www.youtube.com/watch?v=Bovabx6ITW4
Rosengren, Paul Lief. “Mary Golda Ross: She Reached for the Stars.” IEEE-USA and Paul Lief Rosengren. 2025.
Schroeder, Mildred. “A Far-out Cherokee Chick.” San Francisco Examiner. 4/16/1961.
Smith, Betty. “Pure Cherokee Gold.” Tahlequah Daily Press. 6/26/2008. https://www.tahlequahdailypress.com/archives/pure-cherokee-gold/article_44c0a25a-94e2-53d8-b80c-be1ff86305e7.html
Viola, Herman. “Mary Golda Ross: She Reached for the Stars.” American Indian: Magazine of Smithsonian’s National Museum of the American Indian. Vol. 19, No. 4. Winter 2018. https://www.americanindianmagazine.org/story/mary-golda-ross-she-reached-stars
Wallace, Rob. “Mary Golda Ross and the Skunk Works.” National World War II Museum. 11/19/2021. https://www.nationalww2museum.org/war/articles/mary-golda-ross-and-skunk-works
Watts, Jennifer. “John Ross: Principal Chief of the Cherokee People.” Tennessee State Museum. https://tnmuseum.org/junior-curators/posts/john-ross-principal-chief-of-the-cherokee-people
Yang, John. “The cutting-edge work of Native American aerospace engineer Mary Golda Ross.” 11/26/2023. https://www.pbs.org/newshour/show/the-cutting-edge-work-of-native-american-aerospace-engineer-mary-golda-ross
Zhorov, Irina. “Years Later, Miss Indian America Pageant Winners Reuniteg.” NPR Code Switch. 7/12/2013. https://www.npr.org/sections/codeswitch/2013/07/12/201537264/Years-Later-Miss-Indian-America-Pageant-Winners-Reunite

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SYMHC Classics: Alexandre Dumas Pere Nov 08, 2025

Show notes

This 2019 episode covers Alexandre Dumas, who wrote hundreds and hundreds of works, including “The Three Musketeers,” “The Count of Monte Cristo,” and even a dictionary of cuisine.

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Behind the Scenes Minis: French Fear and Frozen Food Nov 07, 2025

Show notes

Tracy discusses the challenge of parsing all the nuance of the French Revolution. Holly talks about how little Clarence Birdseye shared of his interior thoughts.

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Clarence Birdseye and the Rise of Frozen Foods Nov 05, 2025

Show notes

Before Clarence Birdseye, frozen food was perceived as being low-quality and kind of gross. But after spending time in extremely cold climates, Birdseye figured out that speed freezing was the key to retaining freshness.

Research:

“$1,900,000 Fraud Attempt Alleged in Insurance Deal.” St. Louis Post-Dispatch. May 2, 1917. https://www.newspapers.com/image/138253870/?match=1&terms=%22Clarence%20Birdseye%22
“Alleged Clean-up of $1,900,000 in Two Days.” The Bennington Evening Banner. May 2, 1917. https://www.newspapers.com/image/546110078/?match=1&terms=%22Clarence%20Birdseye%22
Birdseye, C. “Animal Food Product.” U.S. Patent Office. Aug. 12, 1930. https://patentimages.storage.googleapis.com/ff/f3/e3/ea3d0a5d1b6b7a/US1773080.pdf
Birdseye, C. “METHOD OF PRESERVING PISCATORIAL PRODUCTS.” U.S. Patent Office. April 18, 1924. https://patentimages.storage.googleapis.com/b7/d9/5a/aeb7fae023f47e/US1511824.pdf
Birdseye, Clarence, 1886-1956. Some Common Mammals of Western Montana in Relation to Agriculture and Spotted Fever, pamphlet, 1912; Washington D.C.. https://digital.library.unt.edu/ark:/67531/metadc87555/
Britannica Editors. "Clarence Birdseye". Encyclopedia Britannica, 3 Oct. 2025, https://www.britannica.com/biography/Clarence-Birdseye
“Celebrating American Innovation: Clarence Birdseye.” Council for Innovation Promotion. Sept. 14, 2023. https://c4ip.org/celebrating-american-innovation-clarence-birdseye/
“Clarence Birdseye.” Lemelson-MIT. https://lemelson.mit.edu/resources/clarence-birdseye
“Clarence Birdseye Is Dead at 69; Inventor of Frozen-Food Process; Developed Method for Quick Freezing and Also Devised System for Dehydrating.” New York Times. Oct. 9, 1956. https://www.nytimes.com/1956/10/09/archives/clarence-birdseye-is-dead-at-69-inventor-of-frozenfood-process.html
“Frozen Food Market Size, Share & Industry Analysis, By Type (Frozen Ready Meals, Frozen Seafood & Meat Products, Frozen Snacks & Bakery Products, and Others), Distribution Channel (Supermarkets/Hypermarkets, Specialty Stores, Convenience Stores, and Online Retail), and Regional Forecast, 2025-2032.” Fortune Business Insights. Oct. 6, 2025. https://www.fortunebusinessinsights.com/frozen-food-market-10413
“How Did Clarence Birdseye Shape the American Diet?” National Inventors Hall of Fame. Nov. 28, 2022. https://www.invent.org/blog/inventors/clarence-birdseye
Kile, O.M. “Food That Is Fresh Though Frozen: New Preserving Process Aims to Maintain Cell Structure.” The Baltimore Sun. Nov. 10, 1929. https://www.newspapers.com/image/373627550/?match=1&terms=%22quick-frozen%22%20
Kurlansky, Mark. “Birdseye: The Adventures of a Curious Man.” Thorndike Press. 2012.
“Reinsurance for Policyholders in Defunct Concerns.” New-York Tribune. Nov. 11, 1917. https://www.newspapers.com/image/894239796/?match=1&terms=%22Clarence%20Birdseye%22
“Supervisory Methods Lax.” The Kansas workman. Nov. 1, 1917. https://www.newspapers.com/image/480092568/?match=1&terms=%22Clarence%20Birdseye%22
“Who invented frozen food?” Library of Congress. https://www.loc.gov/everyday-mysteries/technology/item/who-invented-frozen-food/

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The Great Fear of 1789 Nov 03, 2025

Show notes

The Great Fear was a panic during the French Revolution that spread through rural areas. It all started with a conspiracy theory.

Research:

Davies, Alun. “The Origins of the French Peasant Revolution of 1789.” History, 1964, Vol. 49, No. 165 (1964). https://www.jstor.org/stable/24404527
Elster, Jon. “The Two Great Fears of 1789.” Prepared for the Conference on “Emotions and Civil War”, Collège de France June 10-11 2010. https://www.college-de-france.fr/media/jon-elster/UPL13205_LePillouerThe_two_great_fears_of_1789.pdf
Hill, Henry Bertram. “An Aftermath of the Great Fear.” The Journal of Modern History, Vol. 22, No. 4 (Dec. 1950). Via JSTOR. https://www.jstor.org/stable/1875896
Kasal, Krystal. “Mapping out France's 'Great Fear of 1789' shows how misinformation spreads like a virus.” Phys.org. 8/28/2025. https://phys.org/news/2025-08-france-great-misinformation-virus.html
Lefebvre, Georges. “The Great Fear of 1789; rural panic in revolutionary France.” Joan White, translator. Pantheon Books. 1973.
Lenharo, Mariana. “An abiding mystery of the French Revolution is solved — by epidemiology.” Nature. 8/27/2025. doi: https://doi.org/10.1038/d41586-025-02739-9
Mark, Harrison W. “Great Fear.” World History Encyclopedia. https://www.worldhistory.org/Great_Fear/
Markoff, John. “Contexts and Forms of Rural Revolt: France in 1789.” The Journal of Conflict Resolution , Jun., 1986, Vol. 30, No. 2 (Jun., 1986), pp. Via JSTOR. https://www.jstor.org/stable/174254
Pelz, William A. “The Rise of the Third Estate: The French People Revolt.” From A People's History of Modern Europe. Pluto Press. Via JSTOR. https://www.jstor.org/stable/j.ctt1c2crfj.8
Tackett, Timothy. “Conspiracy Obsession in a Time of Revolution: French Elites and the Origins of the Terror, 1789-1792.” The American Historical Review , Jun., 2000, Vol. 105, No. 3. Via JSTOR. https://www.jstor.org/stable/2651806
Zapperi, Stefano et al. “Epidemiology models explain rumour spreading during France’s Great Fear of 1789.” Nature. 8/27/2025. https://doi.org/10.1038/s41586-025-09392-2

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