Although the Stegosaurus dinosaur was over 9 metres long, its brain was only the size of a walnut.

The famous jewelry store Tiffany & Co. was established on September 18, 1837 in New York City. The amount of sales that were made the first day were $4.98.

The revolving door was invented in 1888, by Theophilus Van Kannel.

AMAZING FACTS