- Status
- Unexplained
- Location
- Strasbourg, France
- Case Type
- Mass hysteria
- Synopsis
- It began with Frau Troffea dancing alone in Strasbourg — soon, dozens joined her, unable to stop for days. Many collapsed from exhaustion and heart attacks as chaos spread. Priests tried exorcisms, and after weeks, it ended mysteriously. Historians still debate whether it was mass hysteria, ergot poisoning, or something else.
- Date or Period
- July 1518
- Consequences
- Dozens dead, panic across the city, ban on music and dancing.
- Evidence
- Church records, physician notes, city council archives.