The original post: /r/todayilearned by /u/poop-machines on 2024-08-23 21:19:32.

Original Title: TIL that in 1858, poisoned candy killed 20 people in Bradford, England, and sickened 200 more, when a sweets manufacturer accidentally adultered his sweets with arsenic instead of gypsum (the latter of which was used at the time as a bulking agent and adulterant)