16.   Cai Lun was a Chinese inventor who is traditionally regarded as the inventor of paper.

17.   It’s illegal to own pet hamster in Hawaii.

18.   Audie Leon Murphy was one of the most decorated American combat soldiers and became a national hero during World War II. He received every military combat award for valour available from the U.S. Army.

19.   Ninja shows have become so popular that Japan is currently experiencing a Ninja shortage and struggles to keep up with the demand for properly trained ninjas.

20.   In Cancun, Mexico, Richart Sowa spent seven years constructing his floating eco-paradise using 150,000 recycled bottles.

21.   Santa Claus was issued a pilot's license from the U.S. government in 1927.

22.   Gaspare Tagliacozzi, the pioneer of plastic and reconstructive surgery, developed his skills at a clinic called the Hospital of Death, run by a "Brotherhood of Death" whose job was to visit prisons and comfort those condemned to death.

23.   In North America, 25-30% of the general dog population is obese, with 40-45% of dogs aged 5-11 years old weighing higher than normal.

24.   In the early 1700s, men wore high heels to imply their upper-class status; an excellent example of this is King Louis XIV.

25.   The man with the second largest brain ever recorded was a genius in many professions and known as the "The Genius Killer." John Edward H. Rulloff's brain has a volume of 1673 cm3 and can be seen on display at the Wilder Brain Collection at Cornell University in Ithaca, New York. Rulloff was an American doctor, lawyer, photographer, inventor, schoolmaster, phrenologist and philologist.

26.   China has the largest military in the world, with an active army of 2,035,000.

27.   In Switzerland, it is illegal to own just one guinea pig.

28.   The longest Book Title contains 1,809 words, achieved by Srijan Timilsina.

29.   The winner of Finland's wife-carrying contest gets the wife's weight in beer.

30.   The word "Dinosaur" comes from ancient Greek and means "terrible lizard."