Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
9
A monk had once written over a book that contained information about calculus that was written by Archimedes in ancient Greece that could have made us 100 or even 1000 years more mathematically and technologically advanced.
13
Ancient Greeks believed that redheads turned into vampires after they died.
40
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15