In ancient Greece, tossing an apple to a girl was a traditional proposal of marriage. Catching it meant that she accepted.
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The life expectancy in 1900 was just 47 years.
49
Tablecloths were originally meant to serve as towels with which guests could wipe their hands and faces after dinner.
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Pilgrims did not eat with forks. They only used spoons, knives and their fingers.
44
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The Titanic was the first ship to use the SOS signal.
149
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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