Qwerty keyboards were created to slow down the typing (and to split apart the letters often used consecutively).

The famous distress signal SOS (· · · — — — · · · in morse code) does not mean anything! For sure, it has no link with Save our souls which is a backronym.

The famous anecdote that explains the absence of a Nobel prize in mathematics by the fact that Alfred Nobel's wife cheated on him with some mathematician is false!

It's usually said that the Great Wall of China is “the only human building that can be seen from space”...actually it's false.

The famous Hamburger sandwich comes from Hamburg.
The Hot-Dog comes from Frankfurt (name before americanization: Frankfurter)

Plague is not eradicated actually: the WHO took a census of 2118 cases in 2003, among which 182 were fatal.

The well-known Pandora's box is actually a jar.