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Events on Thursday 1 December 1904 1
1904Louisiana Purchase Exposition OpensWorld's fair held in St. LouisThe Louisiana Purchase Exposition opened in St. Louis, Missouri, on April 30, 1904, marking the centennial of the Louisiana Purchase. Attended by roughly 20 million visitors, the fair introduced or popularized foods such as the ice cream cone and hot dog to American audiences. It ran concurrently with the 1904 Summer Olympics held in the same city.