Grenades were invented in China over 1,000 years ago.
50
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
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
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Early Romans used to use porcupine quills as toothpicks.
27