Historically, sweat has been an active ingredient in perfume and love potions.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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