This day is celebrated on 28th December. You can celebrate this day by making some simple chocolate chip cookies. The biggest and best known in the US is the chocolate show in New york city, the American version of The salon du chocolat held in Paris each year. The paris salon is arguably the biggest consumer chocolate event in the world each year, taking place over four days, occupying over 140,000 square feer of exhibit space, involving hundreds of chocolatiers and chocolate companies from around the world, and attracting an international crowd of more than 100,000 visitors. You can make chocolates at home and enjoy with your family. Buy a rubber bracelet today with a message "National chocolate day" and give it to your children. They will never forget this day.