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The original was posted on /r/todayilearned by /u/dtdowntime on 2024-10-05 14:43:38+00:00.

Original Title: TIL about the 1951 mass poisoning in Pont-Saint-Esprit, France, where over 250 people experienced hallucinations, madness, and severe illness after eating contaminated bread. The incident resulted in 7 deaths, and the cause was later attributed to ergot, a fungus found in rye flour.