The idea that a man should spend two months salary on an engagement ring was popularized by De Beers' ad agency.
The loudest animal on earth is the sperm whale.
Nutella was invented during WWII, when an Italian pastry maker mixed hazelnuts into chocolate to extend his chocolate ration.
Enzo Ferrari told a man "you may be able to drive a tractor but you will never be able to handle a Ferrari properly." The man was so angry that he vowed to create the perfect car. His name was Ferruccio Lamborghini.