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 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
There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
23
Leonardo da Vinci could write with one hand and draw with the other at the same time.
56
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The first coast-to-coast telephone line was established in 1914.
33
The life expectancy in 1900 was just 47 years.
49
Two dogs were among the Titanic survivors.
262