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Stuff You Missed in History Class

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Join Holly and Tracy as they bring you the greatest and strangest Stuff You Missed In History Class in this podcast by iHeartRadio.

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Stuff You Missed in History Class

About Stuff You Missed in History Class

Join Holly and Tracy as they bring you the greatest and strangest Stuff You Missed In History Class in this podcast by iHeartRadio.

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Episodes

New episodes come out several times a week.Latest 200 episodes in the feed
  1. Oct 30, 2026 · 21 min

    Behind the Scenes Minis: I Keep No Monkey

    Tracy shares her surprise at discovering some of the details of Montague Summers's life. Holly talks about bickering within the Society for Psychical Research. See omnystudio.com/listener for privacy information.

  2. Oct 28, 2026 · 34 min

    Bealings Bells

    Major Edward Moor reported strange bell ringing at his home in Great Bealings in 1834. Was it a poltergeist, a hoax, or something else?

  3. Oct 26, 2026 · 35 min

    Montague Summers

    Montague Summers wrote numerous books on witches, werewolves, vampires, black magic, and ghosts, and he edited and published numerous works and claimed to be a clergyman. But who was he, really?

  4. Oct 24, 2026 · 34 min

    SYMHC Classics: William Palmer

    This 2021 episode covers William Palmer, who was convicted in 1855 as a poisoner though there wasn't any hard evidence.  See omnystudio.com/listener for privacy information.

  5. Oct 23, 2026 · 13 min

    Behind the Scenes Minis: Delayed News

    Tracy talks about the frequency of news from research institutions getting reported years after the fact. She also clears up a misunderstanding Holly had about a painting that was discussed this week. See omnystudio.com/listener for privacy information.

Earlier episodes (195)
  1. Oct 21, 2026 Unearthed! in October 2026, Part 2
    Part two of the autumn 2026 edition of Unearthed! kicks off with the catch-all potpourri category, then covers edibles and potables, shipwrecks, art, and Halloween-appropriate topics.
  2. Oct 19, 2026 Unearthed! in October 2026, Part 1
    Part one of this autumn edition of Unearthed! covers updates, medical finds, animals, and lots books and letters.
  3. Oct 17, 2026 SYMHC Classics: Original Six Impossible Episodes
    This 2015 kickoff to the Six Impossible Episodes series features Stagecoach Mary, Edward Mordrake, Robert the Haunted Doll, the London Beer Flood, the Lost Army of Cambyses and La Maupin. See omnystudio.com/listener for privacy information.
  4. Oct 16, 2026 Behind the Scenes Minis: Pistols and Candy Corn
    Holly shares an odd detail about the red barn murder case. She and Tracy also discuss the way Forrest Mars may have affected the way his father's life is described. See omnystudio.com/listener for privacy information.
  5. Oct 14, 2026 Eponymous Foods: Full Bars
    This installment of the eponymous foods series covers candy bars, including Snickers, Mars Bars, Reese's Peanut Butter Cups, and some side mentions of other candies.
  6. Oct 12, 2026 Red Barn Murder
    In the spring of 1828, a news story broke in Suffolk, England about the horrific murder of Maria Marten. Her paramour was the only suspect, but he evaded authorities for some time before he was captured and put on trial.
  7. Oct 10, 2026 SYMHC Classics: Giordano Bruno
    This 2022 episode covers Giordano Bruno, a mathematician, philosopher, astronomer, occultist, and according to the Catholic church of 16th-century Italy, a heretic. He met a bad end because of his views, but he started out as a friar. See omnystudio.com/listener for privacy information.
  8. Oct 9, 2026 Behind the Scenes Minis: Martian Skulls
    Tracy ponders how Sara Weiss knew some of the things she knew and whether her husband characterized her as less informed than she was. Holly talks about a possible relative of Theophilus Brome. See omnystudio.com/listener for privacy information.
  9. Oct 7, 2026 Two Screaming Skulls
    Screaming skull lore is something that is unique to Britain, though specific skull lore varies. The first episode has roots in the English Civil war, and the second is tied to colonialism in the Caribbean and the slave trade.
  10. Oct 5, 2026 Sara Weiss’s Journeys to the Planet Mars
    Sara Weiss wrote a lengthy account of life and afterlife on Mars, a place she said she visited through psychic travels starting in 1892.
  11. Oct 3, 2026 SYMHC Classics: Charles Colchester
    This 2021 episode covers Colchester, who claimed to be psychic and may have warned President Abraham Lincoln that he was going to be assassinated.  See omnystudio.com/listener for privacy information.
  12. Oct 2, 2026 Behind the Scenes Minis: Lager, Ale, Emo Girl
    Tracy talks about how the beer riots may sound silly, but were underpinned by serious issues. Holly talks about the Elizabeth Fry’s daughters polishing their mother’s image when publishing her diaries. See omnystudio.com/listener for privacy information.
  13. Sep 30, 2026 Elizabeth Fry
    Elizabeth Fry is lauded as an early 19th century prison reformer. But she had no formal background or training in prison or social work.
  14. Sep 28, 2026 Two Beer Riots
    The Munich Beer Riot of 1844 was a reaction to the price of beer set by the Bavarian government. The Lager Beer Riot took place in Chicago in 1855, and was a response to municipal policies put in place by mayor Levi Boone that targeted the city’s Catholic and immigrant populations.
  15. Sep 26, 2026 SYMHC Classics: Nuclear Close Calls
    This episode from 2017 covers several moments in history when the world came perilously close to a full-scale nuclear war, due to false alarms or miscommunication. See omnystudio.com/listener for privacy information.
  16. Sep 25, 2026 Behind the Scenes Minis: Busses and Overpasses
    Holly and Tracy unpack the accusation that Robert Moses purposely built overpass bridges too low for busses to drive under them as a way to keep Black New Yorkers away from Jones Beach. See omnystudio.com/listener for privacy information.
  17. Sep 23, 2026 Robert Moses and the Shaping of New York, Part 2
    The second part of our two-parter on Robert Moses looks at the vast amount of power he amassed in New York’s government, and the many controversies that surrounded the second half of his career.
  18. Sep 21, 2026 Robert Moses and the Shaping of New York, Part 1
    Robert Moses is responsible for so much of the infrastructure of New York, including parks, bridges, highways and more. And he remains a divisive figure. The first part of this two-parter covers his rise in New York government.
  19. Sep 19, 2026 SYMHC Classics: Eradication of Smallpox
    This 2021 episode covers smallpox, a viral disease that has existed for millennia. But it’s now one of only two diseases that’s been eradicated through human activity, and a global plan was enacted to do it.   See omnystudio.com/listener for privacy information.
  20. Sep 18, 2026 Behind the Scenes Minis: Progressive Medicine
    Holly talks about the lack information about Pinel’s family, and how much she’d like to see Oscar Wilde use social media. Tracy discusses the way the Cooley episode narrowed down the scope of her originally planned topic. See omnystudio.com/listener for privacy information.
  21. Sep 16, 2026 Coley's Toxins and the Origins of Immunotherapy
    William B. Coley started using a bacterial infection to treat cancers in the late 19th century, one of the earliest uses of immunotherapy.
  22. Sep 14, 2026 Philippe Pinel
    Pinel’s work is considered the precursor to psychiatry. In the late 18th century, he overhauled the asylum system of Paris with his groundbreaking ideas about mental health.
  23. Sep 12, 2026 SYMHC Classics: Flexner Report
    This 2020 episode covers the Flexner Report, which is often credited with changing the medical field and shaping what medical education looks like today. But this document negatively impacted medicine in the Black community.  See omnystudio.com/listener for privacy information.
  24. Sep 11, 2026 Behind the Scenes Minis: Paddles and The British Museum
    Tracy and Holly talk about corporal punishment in schools and student loans. Tracy relays her experience at the British Museum. See omnystudio.com/listener for privacy information.
  25. Sep 9, 2026 Ashurbanipal
    Ashurbanipal was the ruler of the Assyrian empire in the 7th century BCE. His 38-year reign was marked by both scholarship and a terrifying brutality.
  26. Sep 7, 2026 Six Impossible Episodes: Back-to-Court
    This episode takes a quick look at six U.S. Supreme Court cases that all have to do with the rights of children in public primary and secondary schools.
  27. Sep 5, 2026 SYMHC Classics: Olympe de Gouges
    This 2021 episode covers Olympe de Gouges, known primarily for her 1791 pamphlet “Declaration of the Rights of Woman and the Citizen.” But her writing and political activity went far beyond that one pamphlet. See omnystudio.com/listener for privacy information.
  28. Sep 4, 2026 Behind the Scenes Minis: Percy Theories
    Holly shares additional details of Percy Fawcett's life, including theories about his interest in spiritualism leading him to some odd conclusions. See omnystudio.com/listener for privacy information.
  29. Sep 2, 2026 Percy Fawcett, Manuscript 512, and a Lost City in the Amazon, Pt. 2
    The second part of Percy Fawcett's story delves into his fascination with a document known as Manuscript 512 and how it impacted his life. His obsession led to his disappearance; there has been endless speculation about what exactly happened.
  30. Aug 31, 2026 Percy Fawcett, Manuscript 512, and a Lost City in the Amazon, Pt. 1
    Fawcett’s life has invited controversy and speculation, because he was a man who did a mix of great and shady things. Part one covers his early life, marriage, military service, and early visits to South America.
  31. Aug 29, 2026 SYMHC Classics: Swill Milk
    This 2021 episode covers a period of time when the milk supply in New York was anything but appetizing and wholesome – it was often deadly. But efforts to address the problem were blocked by corrupt officials. See omnystudio.com/listener for privacy information.
  32. Aug 28, 2026 Behind the Scenes Minis: Mary, Beulah, Baby Alive
    Tracy shares a story of looking for an article in the wrong historical journal. Holly reads a section of the U.S. flag code, and waxes rhapsodic about toys. See omnystudio.com/listener for privacy information.
  33. Aug 26, 2026 Beulah Louise Henry
    Beulah was such a prolific inventor in the early 20th century that the press nicknamed her Lady Edison. She was an outlier as an unmarried woman who got her foot in the door as an inventor by pounding the pavement in 1920s New York.
  34. Aug 24, 2026 Mary Mallon & Typhoid Revisited
    Mary Mallon became known as Typhoid Mary in the early 20th century. She has often been vilified in in modern references, though her story is actually quite complex.
  35. Aug 22, 2026 SYMHC Classics: Astronaut Origins of Food Safety
    This 2022 episode examines the development of a systematic approach to food safety, which didn’t happen until the 20th century. And it's tied directly to NASA trying to make sure astronauts didn’t get food poisoning in space. See omnystudio.com/listener for privacy information.
  36. Aug 21, 2026 Behind the Scenes Minis: Morocco and Bavaria
    Tracy and Holly talk about their time visiting Chefchaouen during their Morocco trip. Holly shares her belief that secret societies don't work very well.  See omnystudio.com/listener for privacy information.
  37. Aug 19, 2026 Adam Weishaupt and the Bavarian Illuminati
    The reality of the Bavarian Illuminati is much less dramatic than conspiracy theories would indicate. It wasn’t a mystical organization, but a protest organization formed by a rather conceited man who was frustrated with the Catholic church.
  38. Aug 17, 2026 Sayyida al-Hurra, Moroccan Queen
    A lot of European accounts of Sayyida al-Hurra’s life characterize her as a pirate, but that really isn't accurate. She was a a leader of a city-state and a queen of a sultanate.
  39. Aug 15, 2026 SYMHC Classics: Jethro Tull
    This 2021 episode covers Jethro Tull. Today, most people only know that as the name of a band, but Tull was an 18th-century gentleman farmer often credited with inventing the seed drill. See omnystudio.com/listener for privacy information.
  40. Aug 14, 2026 Behind the Scenes Minis: Smashing Linoleum
    Tracy talks about papers about history written by economists. Holy talks about linoleum having a bad reputation because of the designs of the 1970s and '80s. See omnystudio.com/listener for privacy information.
  41. Aug 12, 2026 Frederick Walton and the Invention of Linoleum
    Frederick Walton caused a lot of financial family friction on the way to developing linoleum. And even though he believed he had revolutionized home dec, he didn't expect to be remembered.
  42. Aug 10, 2026 Swing Riots
    The Swing Riots took place in eastern and southern England in the years between the Luddite uprising and the Rebecca Riots. One of the hallmarks of the riots was the destruction of threshing machines – but that’s just part of the story.
  43. Aug 8, 2026 SYMHC Classics: Battle of Amiens
    This 2018 episode covers the Battle of Amiens, near the end of World War I. It was the start of what came to be known as the 100 Days Offensive, which was the Allies’ final push to win the war.  See omnystudio.com/listener for privacy information.
  44. Aug 7, 2026 Behind the Scenes Minis: Air Conditioned Rabble Rouser
    Tracy and Holly talk about experiences in intensely hot weather. Holly shares how moved she was by Samuel Plimsoll’s obituaries. See omnystudio.com/listener for privacy information.
  45. Aug 5, 2026 Samuel Plimsoll, the ‘Sailors’ Friend’
    Samuel Plimsoll was an advocate for better working conditions for sailors, and for a lot of other things. A lot of contemporary accounts refer to him as an agitator.
  46. Aug 3, 2026 Three Historic Heatwaves
    Heat waves don’t get as much attention as blizzards, floods, and hurricanes, but extreme heat is one of the deadliest weather events on average.
  47. Aug 1, 2026 SYMHC Classics: Libertalia
    This 2018 episode covers Libertalia, which, in truth, may be completely fictional. It's called a pirate settlement, though the man who spearheaded it claimed he wasn't actually a pirate. See omnystudio.com/listener for privacy information.
  48. Jul 31, 2026 Behind the Scenes Minis: Pirate Evolution
    Tracy shares the topics she considered for the recording in the Bahamas but decided against. Holly talks about her admiration for Thomas Huxley. See omnystudio.com/listener for privacy information.
  49. Jul 29, 2026 Thomas Henry Huxley
    Huxley is an example of having a good attitude about publicly acknowledging errors and learning from them. He earned the nickname “Darwin’s bulldog” for his very vocal support of Darwin’s work, and he wanted to promote science and education, particularly to people that didn’t normally have access to those things.
  50. Jul 27, 2026 The Flying Gang
    For part of its history, Nassau was a notorious hotbed of pirate activity. And it was home to a maritime criminal network known as the Flying Gang.
  51. Jul 25, 2026 SYMHC Classics: Scarlet fever
    This 2023 episode covers scarlet fever, which is treatable with antibiotics. But in the middle of the 19th century, it was the leading cause of death in children in parts of the world, and today, there are several ongoing mysteries about the disease. See omnystudio.com/listener for privacy information.
  52. Jul 24, 2026 Behind the Scenes Minis: Problematized
    Tracy shares her irritation with word use in a recent government report. There is also discussion of strangers visiting manor houses. See omnystudio.com/listener for privacy information.
  53. Jul 22, 2026 Unearthed! In July 2026, Part 2
    The wrap up of things unearthed in the second quarter of 2026 includes the potpourri category, lots of books and letters, shipwrecks, and neanderthals.
  54. Jul 20, 2026 Unearthed! In July 2026, Part 1
    Part one of the mid-year coverage of things literally and figuratively unearthed in the last quarter includes updates, more updates, animals, edibles and potables, and accidental finds.
  55. Jul 18, 2026 SYMHC Classics: Raincoats
    This 2023 episode covers how humans have worked on ways to make garments water resistant almost since they started to wear them. But figuring out how to manufacture a raincoat using rubber was a big breakthrough that took centuries. See omnystudio.com/listener for privacy information.
  56. Jul 17, 2026 Behind the Scenes Minis: Shoes, Shoes, Shoes!
    Holly and Tracy discuss how frustrating Charles Goodyear could be. Then Holly talks a lot about shoes and how much she loves them. See omnystudio.com/listener for privacy information.
  57. Jul 15, 2026 Running Through Sneaker History
    The evolution from leather-soled shoes of the 19th century to the sneakers people wear today started slowly, then built momentum. Many of the big names in sneakers today got their start surprisingly early in the process.
  58. Jul 13, 2026 Charles Goodyear and Vulcanized Rubber
    Charles Goodyear's work is important to so many things we have in the 21st century. But his life and his work to create a stable rubber was full of problems -- many of them caused by Goodyear himself.
  59. Jul 11, 2026 SYMHC Classics: Penicillin
    This 2022 episode covers the development of penicillin, which started – but definitely did not end – with the chance discovery of some mold in a petri dish.   See omnystudio.com/listener for privacy information.
  60. Jul 10, 2026 Behind the Scenes Minis: Dorothy Everywhere
    Tracy shares stories of her time in London. There is also a discussion of Dorothy Crowfoot Hodgkin’s marriage. See omnystudio.com/listener for privacy information.
  61. Jul 8, 2026 Dorothy Crowfoot Hodgkin’s Crystalline Chemistry, Part 2
    After earning her first-class degree in chemistry from Oxford, Dorothy embarked on an impressive career in the new field of X-ray crystallography. She would ultimately earn many, many accolades for her work.
  62. Jul 6, 2026 Dorothy Crowfoot Hodgkin’s Crystalline Chemistry, Part 1
    Dorothy Hodgkin's career in X-ray crystallography impacted a lot of science in the 10th century. Part one of her story covers her early life and formative experiences that led her to her field of research.
  63. Jul 4, 2026 SYMHC Classics: Sarah Bradlee Fulton
    This 2023 episode covers Sarah Bradlee Fulton, sometimes called the Mother of the Boston Tea Party. But available information about her is basically a series of anecdotes, and can’t really be corroborated. See omnystudio.com/listener for privacy information.
  64. Jul 3, 2026 Behind the Scenes Minis: Stairs and Trains
    Tracy talks about her visit to the Bunker Hill monument. She then describes a very early morning start when she went to visit Oxford on her recent trip to England. See omnystudio.com/listener for privacy information.
  65. Jul 1, 2026 Elizabeth Blackwell's Curious Herbal
    Elizabeth Blackwell was born in London in the early 18th century, and was known in her lifetime for her achievements as a botanical illustrator.
  66. Jun 29, 2026 The Many Meanings of the Bunker Hill Monument
    Very soon after it was completed in 1842, the Bunker Hill monument started to be about a lot more than just the battle that took place on June 17, 1775.
  67. Jun 27, 2026 SYMHC Classics: Four Paperclippers
    This 2021 episode talks about several specialists – most with some involvement with the Nazi party – who entered the U.S. and became citizens through Operation Paperclip. See omnystudio.com/listener for privacy information.
  68. Jun 26, 2026 Behind the Scenes Minis: Pacts and Facts
    Holly talks about the agreement known as the Pact of the Catacombs and recent developments related to it. There's then discussion of Daguerre's Legion of Honor medal. See omnystudio.com/listener for privacy information.
  69. Jun 24, 2026 Louis Le Prince, the Missing Inventor of Motion Pictures
    On September 16, 1890, Louis Le Prince vanished. He was never seen or heard from again. While that is the most well-known thing about him, he had a whole life before that which involved some very intriguing things.
  70. Jun 22, 2026 Catacombs of Rome
    The story of the Roman catacombs is vastly different than that of the catacombs of Paris, as Rome’s are much older and were created for very different reasons.
  71. Jun 20, 2026 SYMHC Classics: Operation Paperclip
    This 2021 episode covers Operation Paperclip, which was the U.S. effort to bring German scientists to work in the U.S. after World War II.  See omnystudio.com/listener for privacy information.
  72. Jun 19, 2026 Behind the Scenes Minis: Unexpected Information
    Tracy talks about how she first became interested in Casimir Pulaski's story, and how her focus changed during research. She also talks about selecting episode topics and later learning the subject is problematic. See omnystudio.com/listener for privacy information.
  73. Jun 17, 2026 Rebecca Smith Pollard, aka Kate Harrington
    Rebecca Smith Pollard published a book of poems to mark the U.S. centennial in 1876, and also a novel with some questionable messages. She also developed a method to teach children to read that was ahead of its time.
  74. Jun 15, 2026 The Life and Afterlife of Casimir Pulaski
    Pulaski is often built up into an almost mythic figure who represents patriotism, bravery, freedom, independence, and the U.S. as a melting pot. a nation of immigrants. But there’s also a very different version of his story.
  75. Jun 13, 2026 SYMHC Classics: Redpath Murders
    This 2022 episode covers the 1901 discovery of  Ada Maria Redpath and her son Jocelyn Clifford dead in their home. What exactly happened between the two of them is something we will likely never understand. See omnystudio.com/listener for privacy information.
  76. Jun 12, 2026 Behind the Scenes Minis: Piece of Work
    Holly and Tracy talk about how frequently the U.S. Post Office has stopped criminals, and about E. Virgil Neal using his intellect for shady business dealings. See omnystudio.com/listener for privacy information.
  77. Jun 10, 2026 E. Virgil Neal: Hypnotist, Fraudster, Tycoon, Part 2
    In the early 20th century, Neal's company Force of Life was investigated for fraud. But somehow, Neal managed to get through the scandal and went on to found a cosmetics company that became very successful.
  78. Jun 8, 2026 E. Virgil Neal: Hypnotist, Fraudster, Tycoon - Part 1
    E. Virgil Neal’s career started out with writing successful textbooks, but then took a turn into being a stage hypnotist and then a series of dicey mail-order businesses.
  79. Jun 6, 2026 SYMHC Classics: Mancini Sisters
    This 2022 episode covers Hortense and Marie Mancini, who tried to make a place for themselves in 17th-century Europe, defying all kinds of conventions along the way.  See omnystudio.com/listener for privacy information.
  80. Jun 5, 2026 Behind the Scenes Minis: The Apostrophe and the Rich Guy
    Tracy talks about a book that she didn't use for research on Viola Roseboro'. Holly talks about how wealth inequality has shaped science history. See omnystudio.com/listener for privacy information.
  81. Jun 3, 2026 Robert Boyle
    Boyle is frequently described at the first modern chemist, but his work encompassed much more than that. Among other things, he was a founding member of the Royal Society.
  82. Jun 1, 2026 The Literary Life of Viola Roseboro'
    Viola Roseboro’ isn’t well-known today, but she played a big behind-the-scenes role in the careers of a lot of American writers in the late 19th and early 20th centuries, shaping what’s thought of as the American literary canon.
  83. May 30, 2026 SYMHC Classics: Vanport Flood
    This 2016 episode covers the May 30, 1948 flood that destroyed Vanport, Oregon. What really makes the story more than a historical footnote is how it ties into the racial makeup of both Portland and Oregon at the time. See omnystudio.com/listener for privacy information.
  84. May 29, 2026 Behind the Scenes Minis: Disease Pact
    Tracy talks about a strange statement in a paper she read while working on the Carlos J. Finlay episode. Holly shares her amusement at the pact Hartlib and his friends made. See omnystudio.com/listener for privacy information.
  85. May 27, 2026 Samuel Hartlib and the Hartlib Circle
    Samuel Hartlib doesn’t exactly spring to mind when thinking about influential figures of the 17th century. But he served as a sort of conduit for information and connections among them as he sought to promote his ideas regarding theology and education.
  86. May 25, 2026 Carlos Juan Finlay and Yellow Fever
    Carlos Juan Finlay was a Cuban doctor who did a lot of work to understand the spread of Yellow Fever. But Walter Reed got most of the credit.
  87. May 23, 2026 SYMHC Classics: Deborah Sampson
    This 2022 episode covers Deborah Sampson, who could count William Bradford and Myles Standish in her family tree. That tree didn’t include Robert Shurtliff; that was the alias Deborah used to enlist in the Continental Army. See omnystudio.com/listener for privacy information.
  88. May 22, 2026 Behind the Scenes Minis: Art and Theme Parks
    Holly shares a quote from Daniela Lippi about the importance of ongoing learning in the restoration profession. There is then discussion of the nerve-racking construction of Disneyland. See omnystudio.com/listener for privacy information.
  89. May 20, 2026 Interview: Leslie Iwerks
    Disneyland's opening seemed like an impossibility throughout the construction process. Holly interviews filmmaker Leslie Iwerks about her new film "Disneyland Handcrafted," which shares the journey from an empty dirt lot to the theme park we know today. See omnystudio.com/listener for privacy information.
  90. May 18, 2026 Uffizi: A Painting, A Bombing, A Restoration
    In 1993, the Uffizi Gallery in Florence, Italy was damaged by a car bomb. But this story starts in the 16th century with painter Bartolomeo Manfredi, and reaches all the way to the 2000s with an extraordinary restoration project.
  91. May 16, 2026 SYMHC Classics: Regulator War
    This 2019 episode covers the Regulator War, aka the War of the Regulation, aka the Regulator Movement. It was a North Carolina event which arose in response to unfair taxes, poor representation and corruption. See omnystudio.com/listener for privacy information.
  92. May 15, 2026 Behind the Scenes Minis: Bad Laws, Bad Cats
    Tracy shares why Bhagat Singh Thind rocketed to the top of her topics list. Holly shares a story of bad cat behavior. See omnystudio.com/listener for privacy information.
  93. May 13, 2026 Carrington Event
    The Carrington Event was a massive geomagnetic storm that happened in 1859. It led to expanded understanding of solar phenomena.
  94. May 11, 2026 United States v. Bhagat Singh Thind
    United States v. Bhagat Singh Thind was a 1923 case that hinged on what it meant to be white.
  95. May 9, 2026 SYMHC Classics: Insular Cases
    This 2023 episode covers the Insular Cases, which are SCOTUS cases regarding rights of people in U.S. territories.  See omnystudio.com/listener for privacy information.
  96. May 8, 2026 Behind the Scenes Minis: Friends and Bubble Guns
    Holly talks about how small the circle of London intellectuals was in John Graunt's time. Then there is discussion of disco balls in bathrooms. See omnystudio.com/listener for privacy information.
  97. May 6, 2026 Modern Inventions That Are Actually Old
    There are so many things in our modern world that we presume are fairly recent inventions. But the three things we’re going to talk about in this instance are quite old, but they have close associations with the recent past.
  98. May 4, 2026 John Graunt
    John Graunt was a shopkeeper in 17th-century London who followed his own curiosity to a rather grand result. His work gave rise to the fields of demography and epidemiology.
  99. May 2, 2026 SYMHC Classics: Red Summer 1919
    This 2019 episode marked 100 years since a wave of racist violence in the U.S. that became known as Red Summer. In many ways, Red Summer was a response to (but NOT caused by) two earlier events: the Great Migration and the return of black soldiers who had fought in World War I. See omnystudio.com/listener for privacy information.
  100. May 1, 2026 Behind the Scenes Minis: Greetings and Context
    Holly and Tracy commiserate about sending greeting cards. Tracy talks about how she shifted away from an episode exclusively about Frances Thompson. See omnystudio.com/listener for privacy information.
  101. Apr 29, 2026 The Memphis Massacre
    The Memphis Massacre was a truly horrific wave of destruction and violence, including sexual violence, against the Black community of Memphis just a year after the end of the U.S. Civil War.
  102. Apr 27, 2026 Greeting Cards
    Humans have been exchanging tokens of friendship since before recorded history. From calling cards to Valentines to Christmas cards, the modern greeting card industry evolved.
  103. Apr 25, 2026 SYMHC Classics: The Color Blue
    This 2019 episode covers the color blue, the most popular color in many parts of the world. But many ancient languages didn’t have a word for blue, and some languages still don’t. See omnystudio.com/listener for privacy information.
  104. Apr 24, 2026 Behind the Scenes Minis: Dicey Sources
    Tracy shares struggles that she encountered pulling together this edition of Unearthed. She and Holly have a tangential discussion about AI. See omnystudio.com/listener for privacy information.
  105. Apr 22, 2026 Unearthed! In Spring 2026, Part 2
    Part one of this quarter's edition of Unearthed! includes animals, artwork, edibles and potables, shipwrecks, potpourri. Research: Abdallah, Hannah. “Analysis of charred food in pot reveals that prehistoric Europeans had surprisingly complex cuisines.” EurekAlert. 3/4/2025. https://www.eurekalert.org/news-releases/1117763 Almeroth-Williams, Thomas. “British redcoat’s lost memoir reveals…
  106. Apr 20, 2026 Unearthed! In Spring 2026, Part 1
    Part one of this quarter's edition of Unearthed! features updates, medical things, books and letters, oldest known things, and smells.
  107. Apr 18, 2026 SYMHC Classics: Gustave Courbet
    This 2022 episode covers how Courbet was iconic even in his own lifetime. He flew in the face of artistic convention, ushered in a new movement of Realism in France, and became embroiled in the country’s political turmoil.   See omnystudio.com/listener for privacy information.
  108. Apr 17, 2026 Behind the Scenes Minis: Oh, Kropotkin!
    Tracy shares her intentions to cover Peter Kropotkin years ago, and also unpacks some of the positive and negative aspects of his life. See omnystudio.com/listener for privacy information.
  109. Apr 15, 2026 Peter Kropotkin's Mutual Aid, Part 2
    After returning to Russia, Kropotkin was captured and imprisoned. But his life took many turns from there, and in 1902 he published his book book “Mutual Aid: A Factor of Evolution.”
  110. Apr 13, 2026 Peter Kropotkin's Mutual Aid, Part 1
    Peter Kropotkin was incredibly influential in the development of anarchism in the 19th and early 20th centuries. Part one of this subject focuses on the formative moments in his early life that contributed to his becoming an anarchist communist.
  111. Apr 11, 2026 SYMHC Classics: Haymarket Riot
    This 2021 episode examines the Haymarket Riot, one of the many interconnected events and people and movements that are all integral to defining the basic idea of what a full-time job is in the U.S.  See omnystudio.com/listener for privacy information.
  112. Apr 10, 2026 Behind the Scenes Minis: Serving Lip and Ethics
    Holly talks about Gladys Bentley's gender presentation, and the trouble with Maceo Sheffield. She and Tracy also discuss James Braid's ethics in both medicine and hypnotism. See omnystudio.com/listener for privacy information.
  113. Apr 8, 2026 James Braid, Surgeon and Father of Hypnotism
    Braid is known for his work in hypnotism. But he was also a surgeon with a reputation for pioneering new treatments before he became fascinated with the scientific underpinnings of mesmerism.
  114. Apr 6, 2026 Gladys Bentley
    Gladys Bentley was a part of the Harlem Renaissance as a performer – she played piano and sang in ways that drew huge crowds starting in the 1920s, and she was completely out as a lesbian. But her story takes some surprising turns.
  115. Apr 4, 2026 SYMHC Classics: Moms Mabley
    This 2022 episode covers Moms Mabley, whose career lasted more than six decades. She was hugely influential, and inspired so many comedians and other performers who came after her. See omnystudio.com/listener for privacy information.
  116. Apr 3, 2026 Behind the Scenes Minis: Self-talk Hoax
    Holly and Tracy discuss the idea of autosuggestion and positive self-talk. Tracy shares her thoughts on writings about the Pompey stone.  See omnystudio.com/listener for privacy information.
  117. Apr 1, 2026 The Pompey Stone Hoax
    The Pompey Stone was discovered in the early 1820s, and was believed to be hundreds of years old. It turned out to be a hoax, but a fairly benign one.
  118. Mar 30, 2026 Émile Coué and Autosuggestion
    Émile Coué genuinely seems to have wanted to help people by teaching them how to plant helpful directives in their subconscious minds. Whether he was effective is something that's still debated.
  119. Mar 28, 2026 SYMHC Classics: Louis Daguerre
    This 2021 episode covers Louis Daguerre, who comes up almost any time we mention photography. Well before he figured out how to capture images through a camera obscura, he was an artist and innovator in entertainment. See omnystudio.com/listener for privacy information.
  120. Mar 27, 2026 Behind the Scenes Minis: Atlanta and Textiles
    Holly talks about the frustration of not finding any solid evidence of where Richard Peters stood on the issue of slavery. Tracy wonders what Elizabeth Fulhame's relationship with her husband was like. See omnystudio.com/listener for privacy information.
  121. Mar 25, 2026 Elizabeth Fulhame’s Colorful Chemistry
    Elizabeth Fulhame’s biography is largely a mystery, but in 1794 she wrote a book on chemistry that was way ahead of its time.
  122. Mar 23, 2026 Richard Peters and Early Atlanta History
    Peters is responsible for many of the institutions that make up the identity of the city of Atlanta. And as a man from Pennsylvania, he had unique position regarding the U.S. Civil War.
  123. Mar 21, 2026 SYMHC Classics: Nelson Pill Hearings
    This 2021 episode shares how in the U.S., the idea that people should know about the risks involved with the drugs that they are taking is tied directly to the complicated and often troubling history of oral contraceptives.  See omnystudio.com/listener for privacy information.
  124. Mar 20, 2026 Behind the Scenes Minis: Alaska and Contraceptives
    Tracy talks about a "Molly of Denali" episode that references Elizabeth Peratrovich. She then shares her own experience with IUD insertion. See omnystudio.com/listener for privacy information.
  125. Mar 18, 2026 The IUD: A History
    IUDs are under the umbrella of long-acting, reversible contraceptives, and they’re the oldest one of these in use today.
  126. Mar 16, 2026 Elizabeth Peratrovich
    Elizabeth Peratrovich is most well-known for her work to pass Alaska’s Anti-Discrimination Act of 1945. But her story also has more to it than that act.
  127. Mar 14, 2026 SYMHC Classics: Dr. Lucy Hobbs Taylor
    This 2022 episode covers Lucy Hobbs, later Lucy Hobbs Taylor, who pursued a career in dentistry before that was recognized as an acceptable vocation for a woman. See omnystudio.com/listener for privacy information.
  128. Mar 13, 2026 Behind the Scenes Minis: Carry-on Bags
    Tracy talks about the mixed bag nature of Elizabeth Bisland, and the hosts talk about their own travel experiences. Holly shares the less-than-noble character trait that she shares with Flaubert. See omnystudio.com/listener for privacy information.
  129. Mar 11, 2026 Gustave Flaubert and the ‘Madame Bovary’ Trial
    When Madame Bovary was written in the 1850s, it fell under the accusing eye of the French government for its perceived immorality. Flaubert recognized that the trial would only stoke interest, and that it would set the tone for his career.
  130. Mar 9, 2026 Elizabeth Bisland, Beyond the Trip Around the World
    Journalist and writer Elizabeth Bisland was sent on a trip around the world in 1889, in a sort of race against Nellie Bly. But that was not something she wanted to be known for.
  131. Mar 7, 2026 SYMHC Classics: Marie Laurencin
    This 2019 episode explores the difficult-to-study work of Laurencin. In addition to her work not quite falling in line with the artists who were her contemporaries, her personal papers are difficult to access, are censored, and have strict limitations put on their use.  See omnystudio.com/listener for privacy information.
  132. Mar 6, 2026 Behind the Scenes Minis: Censorship Cats
    Tracy talks about how the show's recording schedule meant that this week's Monday episode got revised repeatedly to reflect current events. Holly talks about the way theater performances during portions of heavy censorship in France incorporated audience participation. See omnystudio.com/listener for privacy information.
  133. Mar 4, 2026 Théophile Steinlen Beyond 'Le Chat Noir'
    “Le Chat Noir” is one of the most famous pieces of late 19th century European art, but the artist behind it was also very active in France's anarchist and socialist political groups of the time.
  134. Mar 2, 2026 Hercules Posey & the President’s House
    The President's House was the first home of the U.S. president in the temporary capital of Phildelphia. While George Washington lived there, he had nine enslaved people that we know of., including the cook, Hercules.
  135. Feb 28, 2026 SYMHC Classics: Pueblo Revolt
    This 2014 episode covers the Pueblo Revolt of 1680, in which Native Americans rose up against Spanish colonists and missionaries at the turn of the 17th century. See omnystudio.com/listener for privacy information.
  136. Feb 27, 2026 Behind the Scenes Minis: Coffee, 'Pirats' and Sea Robbers
    Holly and Tracy talk about their coffee preferences. Then Tracy traces the path that led her from a listener mail to the topic of Fort Mose. See omnystudio.com/listener for privacy information.
  137. Feb 25, 2026 Francisco Menéndez & Fort Mose
    Fort Mose was the first officially sanctioned settlement for free Black people in what’s now the United States. It was established as a place where people who escaped enslavement in the U.S. could live in the Spanish territory of Florida.
  138. Feb 23, 2026 Melitta Bentz and the Coffee Filter
    Melitta Bentz invented the coffee filter in 1908 and changed coffee culture forever. Through the decades and after reckoning with its relationship with the Third Reich, the company she founded in her Dresden apartment endures today. Research: “The Weimar Republic 1918-1929 - EdexcelChanges in society, 1924–29.”…
  139. Feb 21, 2026 SYMHC Classics: COINTELPRO 2
    Part two of this 2020 episode looks at some of the specifics of the COINTELPROs that targeted black liberation organizations and the New Left, as well as how these programs were finally exposed to the public.  See omnystudio.com/listener for privacy information.
  140. Feb 20, 2026 Behind the Scenes Minis: Whoopsy Whimsy
    Holly shares a story of accidentally taking ephedrine. Tracy shares her delight at a pronunciation of the word catastrophe. See omnystudio.com/listener for privacy information.
  141. Feb 18, 2026 Great Lisbon Earthquake of 1755
    On November 1, 1755, a massive earthquake took place on the floor of the Atlantic Ocean southwest of Lisbon, Portugal. The destruction in Portugal led to one of the first coordinated government responses to a natural disaster.
  142. Feb 16, 2026 Benzedrine, Pervitin, and WWII
    The use of stimulants during WWII is no secret, but in the last decade, there has been a lot of discussion and analysis of it. Just how significant was drug use in Nazi Germany, and how did the Allies compare?
  143. Feb 14, 2026 SYMHC Classics: COINTELPRO 1
    Part 1 of this 2020 two-parter covers background on the FBI and on the origins of its counterintelligence programs, as well as one specific operation, called COINTELPRO-White Hate. See omnystudio.com/listener for privacy information.
  144. Feb 13, 2026 Behind the Scenes Minis: It's Not Unprecedented
    Tracy shares her desire to see the rest of the letter that was quoted in this week's episodes on Anthony Burns. Talk also turns to the fact that many of the things that are surprising people today are, in fact, precedented. See omnystudio.com/listener for privacy information.
  145. Feb 11, 2026 The Rendition of Anthony Burns, Part 2
    Our second episode on the life of Anthony Burns begins with his detention in Boston, which outraged Massachusetts abolitionists. Even after Burns was returned to Virginia to be enslaved once again, his supporters in Boston continued to work for his freedom.
  146. Feb 9, 2026 The Rendition of Anthony Burns, Part 1
    The story of Anthony Burns is one that resonates in our current times. Part one covers his early enslaved life, his escape from enslavement, and his arrest under the Fugitive Slave Act of 1850.
  147. Feb 7, 2026 SYMHC Classics: Samuel Pepys
    This 2019 episode takes a closer look the famous diary of Samuel Pepys, and also at who Pepys was beyond his famous chronicle of life in 17th-century London. See omnystudio.com/listener for privacy information.
  148. Feb 6, 2026 Behind the Scenes Minis: Pollution Olympics
    Tracy talks about her selection of "Fumifugium" as a show topic. Holly shares a mischievous story about Helen Preece. See omnystudio.com/listener for privacy information.
  149. Feb 4, 2026 Notable Early Women Olympians
    Despite Pierre de Coubertin's vision of the Olympics being for male athletes only, women did participate in the games starting in 1900. But the road to equal participation was long and filled with disappointments.
  150. Feb 2, 2026 John Evelyn's 'Fumifugium'
    "Fumifugium" was a treatise on air pollution written in 1661. In addition to warning about the dangers of coal smoke, John Evelyn wrote this work to improve the reputation of King Charles II.
  151. Jan 30, 2026 SYMHC Classics: Hennig Brand
    This 2019 episode shares how Hennig Brand discovered phosphorous by boiling pee. But he was really thought the secret to the philosopher’s stone might be found in urine.  See omnystudio.com/listener for privacy information.
  152. Jan 30, 2026 Behind the Scenes Minis: Odd Baby Train
    Tracy talks about amusing old illustrations of babies in utero. Holly shares anecdotes about George Stephenson's life that rarely make it into discussions of his life. See omnystudio.com/listener for privacy information.
  153. Jan 28, 2026 George Stephenson, Father of Railways
    George Stephenson started life in extremely humble circumstances, but his ingenuity and pursuit of education led him to an impressive legacy. He invented a miner’s lamp, but is most well known for his work on locomotives and railways.
  154. Jan 26, 2026 Rickets
    Nutritional rickets is caused by a vitamin D deficiency, and people figured out two ways to treat it before we even knew what vitamin D was.
  155. Jan 24, 2026 SYMHC Classics: Three Legendary Pranks
    This 2021 episode covers three prank stories, including a joke that became a living legend, a large-scale prank that created havoc, and a televised hoax that reminds us all of the importance of critical thinking.  See omnystudio.com/listener for privacy information.
  156. Jan 23, 2026 Behind the Scenes Minis: Embroidery Love Letter
    Holly talks about the various inspirations for her love of embroidery. Tracy shares her experiences with movies and her cat while embroidering. See omnystudio.com/listener for privacy information.
  157. Jan 21, 2026 Embroidery History Sampler, Part 2
    The second part of the discussion of embroidery history covers blackwork and Opus Anglicanum, then embroidery samplers and beetle-wing embroidery.
  158. Jan 19, 2026 Embroidery History Sampler, Part 1
    The first installment of this two-parter covers ancient embroidery around the world, and then focuses on European embroidery, Chinese dragon robes, and the Bayeux Tapestry.
  159. Jan 17, 2026 SYMHC Classics: Paul Cuffe
    This 2020 episode covers Paul Cuffe, who protested taxation, built wealth for himself in whaling, became a Quaker and used his fortune for the betterment of others. He also advocated creating a colony in Africa for of African ancestry to immigrate to. See omnystudio.com/listener for privacy information.
  160. Jan 16, 2026 Behind the Scenes Minis: This Monkey’s Gone to Heaven
    Tracy talks about the events that happened in the gap between writing the latest Unearthed episode and recording it. Holly shares thoughts about art heists. See omnystudio.com/listener for privacy information.
  161. Jan 14, 2026 Unearthed Year-end 2025, Part 2
    Discussion of things literally or figuratively unearthed in the last quarter of 2025 continues. It begins with potpourri then covers tools, Neanderthals, edibles and potables, art, shipwrecks, medical finds, and repatriations.
  162. Jan 12, 2026 Unearthed Year-end 2025, Part 1
    The show's coverage of things literally or figuratively unearthed in the last quarter of 2025 begins with updates, books and letters, animals, and just one exhumation.
  163. Jan 10, 2026 SYMHC Classics: P.A.R.C. and Mills
    This 2015 episode covers the lack of access to public education for children with disabilities in the U.S. until 1975. See omnystudio.com/listener for privacy information.
  164. Jan 9, 2026 Behind the Scenes Minis: Bad Goals and Spirit Clothes
    Tracy discusses film ratings and the bias behind them. Talk then turns to clothing in the afterlife. See omnystudio.com/listener for privacy information.
  165. Jan 7, 2026 Jean Baptiste: Grave Robber at Large
    Jean Baptiste's crime of robbing graves shocked Salt Lake City in the 1860s. This history mystery offers insight into the way a community deals with the unthinkable.
  166. Jan 5, 2026 Two 504 Figures: Kitty Cone and Brad Lomax
    Kitty Cone and Brad Lomax were key players in the 1977 sit-ins which pressured the Department of Health and Human Services to establish policies to implement section 504 of the 1973 Rehabilitation Act.
  167. Jan 3, 2026 SYMHC Classics: Andrew Crosse
    This 2021 episode covers Andrew Crosse, who observed a strange thing happening on an electrified rock in his lab in the early 1800s, and was catapulted into the public spotlight. See omnystudio.com/listener for privacy information.
  168. Jan 2, 2026 Behind the Scenes Minis: Bullet Journal Dinosaur
    Holly and Tracy talk about the pros and cons of self-help writing and whether Ben Franklin would like bullet journaling. They then talk about a past trip they took to Walt Disney World.  See omnystudio.com/listener for privacy information.
  169. Dec 31, 2025 New Year’s Eve Iguanodon Party
    In 1853, a high-profile London dinner party was held inside a life-sized mold of an iguanodon.
  170. Dec 29, 2025 Self-help Books Throughout History
    The origins of self-help writing are often traced back to ancient times. This episode talks through some early versions of it, the goal-setting advice of a founding father, and the beginnings of the modern self-help genre.
  171. Dec 27, 2025 SYMHC Classics: Paul Julius Reuter
    This 2019 episode covers Paul Julius Reuter, who had a knack for filling in the gaps in communication systems, and making a lot of money doing so. See omnystudio.com/listener for privacy information.
  172. Dec 26, 2025 Behind the Scenes Minis: Journalism Carols
    Holly talks about the ways Joseph Medill could be both problematic and surprising. Tracy shares her additional thoughts on the book about caroling she used during research that wasn't always about caroling. See omnystudio.com/listener for privacy information.
  173. Dec 24, 2025 William Sandys & English Christmas Carols
    William Sandys was an antiquarian who published a collection of Christmas carols in the 19th century that turned out to be really influential.
  174. Dec 22, 2025 Joseph Medill
    Joseph Medill was a powerhouse in 19th century journalism who made no attempt to conceal his bias when it came to political writing. He also had a fascinating second career due to a tragedy, when he became a politician.
  175. Dec 20, 2025 SYMHC Classics: SS Princess Sophia
    This 2018 episode covers the sinking of the SS Princess Sophia, a massive tragedy for both Canada and the United States. But it was also really overshadowed by the end of World War I and the flu pandemic.    See omnystudio.com/listener for privacy information.
  176. Dec 19, 2025 Behind the Scenes Minis: Mountains and Glaciers
    Tracy shares her experiences watching the show "Molly of Denali." The discussion then turns to glacier surge.  See omnystudio.com/listener for privacy information.
  177. Dec 17, 2025 Walter Harper and the Summiting of Denali, Part 2
    The final stages of the expedition to summit Denali were grueling for Walter Harper and the rest of the team. And after that accomplishment, Harper's life was tragically short.
  178. Dec 15, 2025 Walter Harper and the Summiting of Denali, Part 1
    While working as a guide in his youth, Walter Harper met and worked for a man named Hudson Stuck. Their friendship would lead to Walter becoming the first person to reach the summit of Denali.
  179. Dec 13, 2025 SYMHC Classics: Washington Irving
    This 2021 episode covers Washington Irving, who is often associated with Halloween. But his writing had a significant influence on the way Christmas is celebrated in the U.S. See omnystudio.com/listener for privacy information.
  180. Dec 12, 2025 Behind the Scenes Minis: Raccoon Cranberries
    Tracy wonders whether Jack the turkey went to the bathroom in the White House. Holly talks about how much she dislikes people arguing over food preferences.  See omnystudio.com/listener for privacy information.
  181. Dec 10, 2025 Cranberries
    The cranberries we typically eat are native to North America, though they are also grown in other places. How did they become a standard part of the holiday table?
  182. Dec 8, 2025 Unusual White House Pets
    No dogs or cats here! A number of unorthodox pets have arrived at the White House and become part of the first family in very unusual ways throughout history.
  183. Dec 6, 2025 SYMHC Classics: Nutcracker
    This 2021 episode covers how The Nutcracker is a Russian adaptation of a German story that wasn’t really a Christmas staple in its home country. See omnystudio.com/listener for privacy information.
  184. Dec 5, 2025 Behind the Scenes Minis: Much Charles, Many Dogs
    Tracy shares how her Charles Sumner research yielded a three-part episode. Holly mentions that while there's not a lot of scholarly work about Cassius Coolidge's life, he is featured in a lot of newspaper mentions from his time.  See omnystudio.com/listener for privacy information.
  185. Dec 3, 2025 Cassius Coolidge and Dogs Playing Poker
    Cassius Marcellus Coolidge’s most well-known art is the Dogs Playing Poker series. He was a true Renaissance man, and even patented a style of kitsch art.
  186. Dec 1, 2025 Charles Sumner Revisited (part 3)
    The third installment of our Charles Sumner episode covers how, two days after Charles Sumner delivered an incendiary speech before the senate, Representative Preston Brooks of South Carolina came into the Senate chamber and attacked Sumner at his desk.
  187. Nov 29, 2025 SYMHC Classics: Public Universal Friend
    This 2020 episode covers the Public Universal Friend, who described themself as a genderless spirit sent by God to inhabit the resurrected body of a woman named Jemima Wilkinson.  See omnystudio.com/listener for privacy information.
  188. Nov 28, 2025 Behind the Scenes Minis: Morocco!
    Tracy and Holly talk about their recent podcast trip to Morocco with listeners, arranged by Defined Destinations.   See omnystudio.com/listener for privacy information.
  189. Nov 26, 2025 Charles Sumner, Revisited (part 2)
    The second installment of our episode on Charles Sumner picks up in the wake of his controversial antiwar speech. He next argued a school integration case before the Massachusetts supreme judicial court.
  190. Nov 24, 2025 Charles Sumner, Revisited (part 1)
    The first installment of the deeper examination of Charles Sumner's life begins with his early years, including his close relationships with Henry Wadsworth Longfellow and Samuel Gridley Howe.
  191. Nov 22, 2025 SYMHC Classics: Thomas Cook
    This 2019 episode covers Thomas Cook, a pioneer of the idea of a travel agency to manage tourist holidays. But Cook was initially motivated by his support of the temperance movement and his deeply held religious beliefs.  See omnystudio.com/listener for privacy information.
  192. Nov 21, 2025 Behind the Scenes Minis: Balloons and Cat Trees
    Tracy and Holly talk about the proclivity for destruction that was part of the balloon craze. They also discuss cat trees and how hard it is to find one that's cute.  See omnystudio.com/listener for privacy information.
  193. Nov 19, 2025 Inventions for Pets
    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.
  194. Nov 17, 2025 Balloon Riots
    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.
  195. Nov 15, 2025 SYMHC Classics: Georgia Gold Rush
    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.   See omnystudio.com/listener for privacy information.
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Page updated October 30, 2026.