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When the World Went Mad: History's Most Bizarre Cases of Mass Hysteria and Collective Delusions: 12 True Stories of Collective Madness That Shocked Hi
Paperback
Series: Fascinating History Collection, Book 1
General PsychologyGeneral World History
Publisher: Independently Published
Published: Jun 28 2026
Pages: 130
Weight: 0.40
Height: 0.28 Width: 6.00 Depth: 9.00
Language: English
Have you ever wondered how entire societies can suddenly believe things that seem impossible in hindsight?
People danced for days until they collapsed.
Communities accused innocent neighbors of witchcraft.
Families spent fortunes on flowers.
Children laughed uncontrollably for months.
Thousands reported seeing threats that may never have existed.
These stories sound unbelievable.
But they all really happened.
When the World Went Mad is a gripping journey through history's strangest and most unsettling cases of mass hysteria, collective delusion, panic, and social contagion-moments when ordinary people, under extraordinary conditions, began acting in ways that still confuse historians and psychologists today.
From the infamous Dancing Plague of 1518 and the Salem Witch Trials, to financial bubbles, laughter epidemics, media-driven fear, and modern digital panic, this book explores the hidden forces that shape human behavior when crowds become more powerful than reason.
But this is not a book about crazy people.
It is about us.
Because the uncomfortable truth behind every chapter is this:
the people inside these events did not believe they were losing their minds.
They believed they were responding to reality.
Inside this book, you'll discover:
- The true story of people who danced until exhaustion-and why others followed
- How fear transformed neighbors into enemies during the Salem Witch Trials
- Why entire societies become vulnerable to mass belief and emotional contagion
- The psychology behind financial manias, public panic, and collective behavior
- What these historical events reveal about modern media, social networks, and ourselves
Written in a vivid, story-driven style, When the World Went Mad combines history, psychology, and unforgettable true events into a fast-paced exploration of humanity's strangest moments.
If you enjoy books about strange history, human psychology, bizarre true stories, social behavior, and hidden patterns behind historical events, this book will keep you turning pages-and questioning how different you really are from the people inside these stories.
Before you begin reading, ask yourself one question:
If you had been there...
would you have known?
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