Grand piano consists of about 12.000 parts.
The first city in the World that has reached one million inhabitants was Rome, around 133 BC. London got its one million inhabitants in 1810, and New York in 1875. Today, there are over 300 cities with more than a million inhabitants.
Napoleon wrote good and unusual novels, such as "The Duke of Essex," the novel about ghosts
The average mosquito has 47 teeth.
Oysters can change their sex from male to female. They can do this countless times.
In the state of Indiana (US), there is a town called Santa Claus.
