National Pretzel Day celebrates pretzels of all shapes and sizes. Pretzels are available in thick, thin, straight or twisted, crispy and crunchy or soft, salted, unsalted, mustard flavored etc. There's no shortage of types of pretzels. If you are confused, get a bunch of different types of pretzels in a bigh bowl, and grab a handful, or two, or three, or.... Pretzels are world's oldest snack. Pretzels date back to 610 AD in southern France. If you want your friends to remember this day, then distribute rubber wristbands to them.