In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The world's first Buddhist ruler, Emperor Ashoka, who ruled India from 274-232 BCE, was the first ruler in human history to ban slavery, the death penalty, animal cruelty, and deforestation. He even advocated gender equality in education and religious institutions.
32
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
"Yo momma" jokes/insults were invented by Shakespeare.
39
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
'⸮' is a punctuation mark that was first proposed in the 1580s to denote sarcasm or irony.
17