Wikipedia says, “The city of St. Louis was founded in 1764 by Pierre Laclède and Auguste Chouteau, and after the Louisiana Purchase it became a major port on the Mississippi River. The economy of St. Louis relies on service, manufacturing, and tourism, and the region is home to several major corporations. St. Louis is home to the St. Louis Cardinals, one of the most successful Major League Baseball clubs. The city is commonly identified with the Gateway Arch, part of the Jefferson National Expansion Memorial in downtown St. Louis.”