The native Americans planted three sisters (corn, beans, and squash) together so that they would benefit each other. The corn provides a structure for the beans to climb. The beans provide the nitrogen to the soil, and the squash spreads along the ground preventing weeds.
30
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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Recently, archaeologists excavating in the old medieval town of Odense in Denmark uncovered 700-year-old barrels of poop - and, to their surprise, they still smelt.
11
The first telephone book was one page long and had only 50 names in it.
91
Grenades were invented in China over 1,000 years ago.
50