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
The universally popular Hershey bar was used overseas during World War II as currency.
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The last time American Green cards were actually green was 1964.
60
Canada's new flag, with its maple leaf design, was unfurled in 1965 in Ottawa!
22
Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22
Napoleon constructed his battle plans in a sandbox.
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