Mustard (condiment) mixed with horseradish and dried for storage, which were then exported to London and other parts of the country, and are even mentioned in William Shakespeare's play "King Henry the Fourth, Part II". The use of mustard as a hot dog condiment is said to have been first seen in the US at the 1904 St. Louis World's Fair, when the bright-yellow French's mustard was introduced by the R.T. French Company. Mustard is most often used at the table as a condiment on cold meats.It is also used as an ingredient in mayonnaise, vinaigrette, marinades, and barbecue sauce. It is
Union Station (St. Louis) At its opening, it was the world's largest and busiest railroad station and its trainshed was the largest roof span in the world. In 1903, Union Station was expanded to accommodate visitors to the 1904 St. Louis World's Fair. In the 1920s, it remained the largest American railroad terminal. At its height, the station combined the St. Louis passenger services of 22 railroads, the most of any single terminal in the world. In the 1940s, it handled 100,000 passengers a day. The famous photograph of Harry S. Truman holding aloft the erroneous "Chicago Tribune" headline, "Dewey Defeats Truman", was shot