Have you heard about the United States government’s top-secret heart attack gun? Did you know the Federal Bureau of Investigation poisoned alcohol during prohibition? Was the government thinking about developing a super-secret “gay bomb”?

Chances are you’re familiar with at least one of the above questions. If you are, you also probably know that most of what you’ve heard is nonsense.

However, as noted in the following chart from Criminal Justice Degree Hub, a site dedicated to law education, there is a small kernel of truth to be found in many of the more popular conspiracy theories from the 20th century.

From stories about vaccines to theories about how the U.S. government control of the media, there’s something to be said for many of the following theories (which probably these theories persist even to this day):

A Chart of the Most Wild Conspiracy Theories – That Turned Out to Be True!

Click here for more information on the chart’s data.

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