1. The tallest man ever recorded was American giant Robert Wadlow, who stood 8 feet 11 inches
2. A Greek-Canadian man invented the “Hawaiian” pizza
3. The first college football game was played on November 6, 1869, between Rutgers and Princeton
4. The original name for the search engine Google was Backrub
5. The oldest-known living land animal is a tortoise named Jonathan, who is 187 years old
6. Wombats are the only animal whose poop is cube-shaped
7. Polar bears have black skin
8. Flamingoes are only pink because of chemicals called carotenoids in the algae and fish they eat
9. Psycho was the first movie to show a toilet flushing
10. If you open your eyes in a pitch-black room, the color you’ll see is called “eigengrau”
11. Cats can’t taste sweet things because of a genetic defect
12. It’s possible to turn peanut butter into diamonds.
13. A group of hippos is called a “bloat” 
14. Skin is the body’s largest organ
15. The earth’s circumference is 24,900 miles

Cites: https://parade.com/966564/parade/fun-facts/ 

https://bestlifeonline.com/useless-facts/