Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Grenades were invented in China over 1,000 years ago.
50
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
There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
32
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21