There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
In 1987 American Airlines saved $40,000 by eliminating one olive from its First Class salads.
86
In the 1830s, a Greek prime minister tried to spread the potato in Greece but people weren't interested so he put armed guards in front of shipments of potatoes so people would think they were important. People then started stealing these potatoes so much that the crop spread to all of Greece.
29
The life expectancy in 1900 was just 47 years.
49
A singing birthday card has more computing power than the allied forces in 1945.
30
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
In ancient Greece, tossing an apple to a girl was a traditional proposal of marriage. Catching it meant that she accepted.
29