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 Mint once considered producing doughnut-shaped coins!
60
Although Nostradamus died in the middle of 1566, his 1567 almanac was published because he had the foresight to prepare it before his death.
19
Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
India invented the Number System. Zero was invented by Aryabhatta.
59
Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
19