10 Mind-Blowing Facts That Sound Totally Made Up But Are Actually 100% True

3.

Crocs were originally designed as boating shoes.

4.

Walt Disney was so determined to cast Julie Andrews in Mary Poppins that he delayed production on the film to accommodate her pregnancy.

5.

Zippers used in clothing were introduced only a little over 100 years ago. Schott’s NYC was the first to do it, putting it on their jackets in 1925.

7.

Spam was created in the 1930s as a way to use leftover pork shoulder.

8.

Stevie Nicks and Prince became good friends because of her 1983 song “Stand Back.”

9.

The name “Bluetooth” comes from King Harald “Bluetooth” Gormsson, a 10th-century Scandinavian ruler.

10.

And lastly, George Lucas absolutely HATED and went “apeshit” over Harrison Ford’s iconic “I know” ad-lib in The Empire Strikes Back.