Pope Gregory IX was apparently a dog person, because he tried to exterminate all cats from Europe. The German word "backpfeifengesicht" means "a face that needs to be slapped." The real Betty Boop was actually an African American woman named Esther Jones. The most common birth day is Tuesday, while Saturday is the least common. The letters J and Q don't appear in the periodic table of elements. At movie theaters in Colombia, you can snack on fried ants instead of popcorn.