It’s National Mustard Day Posted by Tammy Aug 012009 Some people really know how to enjoy mustard! Hope you enjoyed some mustard today. Learn more about mustard celebrations from the lovely people in Mt. Horeb, Wisconsin. Hi! If you wish to keep up with the latest, subscribe to Chicago Bites and never miss a bite of the Chicago restaurant scene. You can also stay connected with Chicago Bites on Twitter, Facebook, Pinterest, and Instagram. Thanks for visiting! No related posts. Sorry, the comment form is closed at this time.