Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
Play-Doh was first manufactured as a wallpaper cleaner.
122
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
According to an assistant professor of psychology and marketing at NYU, wearing red increases your chances in things like dating and hitchhiking.
12
Each day, more than $40 Trillion Dollars changes hands worldwide.
37
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
If left alone, 70% of birthmarks gradually fade away.
193