The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
In 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.
60
Canada's new flag, with its maple leaf design, was unfurled in 1965 in Ottawa!
22
Until the nineteenth century, solid blocks of tea were used as money in Siberia.
80
In the great fire of London, in 1666, half of London was burnt down but only 6 people were injured.
78
The Mint once considered producing doughnut-shaped coins!
60