creepy historical facts

Human beings are cruel.

Humanity tries its best to sweep that all under the rug, but like dust, truth spreads when you dig deeper.

There are some historical facts and stories that could make one's skin crawl.

And you thought a late-night Dateline NBC episode could give you nightmares.

Redditor DaredevilDude36 wanted to share some sordid details about the past. They asked:

"What is the creepiest historical fact?"
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