National Hot Dog Day is celebrated annually on the third Wednesday of July. This day honors the popular American food, the hot dog, which is often enjoyed at summer barbecues, sporting events, and picnics. Many restaurants and food vendors offer special deals and discounts on hot dogs to mark the occasion. The day is a fun way for people to come together and enjoy this classic dish, often served with a variety of toppings like mustard, ketchup, and relish.