There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
Grenades were invented in China over 1,000 years ago.
50
Leonardo da Vinci could write with one hand and draw with the other at the same time.
56
No one knows who designed the first American Flag.
45
In 1799, a boy found a 17lb. rock in a creek in North Carolina and used it as a doorstop. It was actually gold.
34
A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
20
"Yo momma" jokes/insults were invented by Shakespeare.
39