National Zipper Day is celebrated on April 29 each year to honor the invention of the zipper. The zipper, a fastening device used in clothing, bags, and other items, was patented by Whitcomb Judson in 1893. This day recognizes the impact of the zipper on fashion and everyday life. The zipper has evolved over the years, becoming a standard feature in many products. It is appreciated for its convenience and functionality, making it easier to open and close items. National Zipper Day serves as a reminder of this simple yet essential invention that has transformed how we use clothing and accessories.