The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Two dogs were among the Titanic survivors.
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The first telephone book was one page long and had only 50 names in it.
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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
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
In 1897, Bayer, who is the maker of Aspirin, marketed the drug heroin.
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