Dancing Plague of 1518: The Mystery Behind the Endless Dancing episode artwork

EPISODE · Jun 19, 2026 · 4 MIN

Dancing Plague of 1518: The Mystery Behind the Endless Dancing

from Understand All · host Aaron Barlow

In 1518, dozens—maybe hundreds—of people in Strasbourg reportedly danced for days, and the weirdest part is that the city’s response may have made it worse. In this episode, we dig into the Dancing Plague of 1518, the leading explanations from mass psychogenic illness to ergot poisoning, and why historians still argue over what really happened. If you want the real story behind this bizarre historical mystery, listen now.In this episode, we dig into the Dancing Plague of 1518, one of history’s strangest public health mysteries. Hundreds of people in Strasbourg reportedly danced for days, and we break down the leading explanations: mass psychogenic illness, ergotism, religious belief, and the limits of the historical record.• The outbreak began in Strasbourg in July 1518 with Frau Troffea and spread through the city. • The strongest modern explanation is mass psychogenic illness shaped by famine, disease, and religious fear. • Ergot poisoning and neurological disease have been suggested, but the evidence is weaker. • The case shows how stress, culture, and social suggestion can shape real physical symptoms. 0:00 - The strange opening scene in Strasbourg 2:10 - Who was Frau Troffea? 5:00 - Why the city’s response may have worsened things 8:15 - Mass psychogenic illness explained 11:20 - Why ergotism and other theories don’t fit as well Related resources: [Internal: Related episode on Mass Psychogenic Illness](#) • [External: Encyclopaedia Britannica on the Dancing Plague of 1518](#)If this episode made you see history differently, share it with a friend and leave a review so more people can find the show.

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