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TIL a man once dared John P. Parker, an Underground Railroad conductor, to help his slaves escape. The man slept with the enslaved couple's baby in his room, knowing they wouldn't leave him behind. Parker snuck in, grabbed the baby & led everyone to freedom while the enslaver shot after them.

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9Ya86 TIL that Alexender Graham Bell tried to eliminate American sign language and deaf schools in the U.S because he was afraid of a deaf race emerging from it.
1r6P TIL that brass doorknobs automatically disinfect themselves in 8 hours
wLY17 TIL the "bacon and eggs" All-American breakfast idea was a PR marketing campaign by Edward L. Bernays (the nephew of Sigmund Freud) for a bacon company in the 1920's.
R5M5w TIL that states required blood tests to get married until 1980, the latest being Montana in 2019. These blood tests originally checked for syphilis when it was a crisis and transitioned to checking for STDs.
m1w8O TIL eating poppyseed can affect your drug test and make it positive!