Dijon mustard originates from the town of Dijon in Burgundy, France. It was first used in the year 1336 at the table of King Philip VI, according to Wikipedia. The ingredients used to make Dijon are mustard seeds, white wine or wine vinegar, water and salt. As per Wikipedia, 80% of mustard seeds used to make Dijon mustard come from Canada. Not all Dijon mustards taste the same; it will take some experimentation to find the one you like. Some are mild, while other brands have a pleasant sharpness.