National Pie Day is celebrated annually on January 23rd in the United States. This day is dedicated to the appreciation of pie, a popular dessert made with a pastry crust and various fillings, such as fruit, custard, or chocolate. It encourages people to enjoy and share their favorite pie recipes, whether homemade or store-bought. The day was founded by Baker's Square, a restaurant chain known for its pies, in 1986. National Pie Day is not an official holiday, but it is embraced by pie lovers across the country, often featuring pie-related events, contests, and promotions in bakeries and restaurants.