National Chewing Gum Day is celebrated today, on September 30 every year. The gummy texture, the translucent bubble, the satisfying pop! Pop a bubble or freshen your breath with your favorite piece of chewing gum. National Chewing Gum Day exercises our jaws today. Pop a bubble or freshen your breath with your favorite piece of chewing gum. Gum, also known as candy or candy-like products, are commonly used to enhance the taste of various .