National Chocolate Wafer Day is observed in the United States every year on July 3. This unofficial holiday celebrates chocolate wafers, which are thin, crisp snacks made from unleavened dough and often enjoyed as a dessert or ingredient in various treats. The origins of the holiday are unclear, with some suggesting it may have been created by Nabisco to promote their chocolate wafers, first introduced in 1924. Chocolate wafers have been popular in the U.S. since the mid-1800s and are often used in desserts like ice cream sandwiches. On this day, people are encouraged to host tastings of different chocolate wafer brands, rank them, or create their own chocolate wafer desserts. The celebration can also be promoted on social media using the hashtag #NationalChocolateWaferDay.