Pedzisa mutsara unotevera: The Saint Louis Exposition kana St. Louis Expo yaiva nhevedzano yegore negore yekurima uye yezvigadzirwa zvekutengesa yakaitwa muSt. Louis' Fairgrounds Park, kubva kuma1850 kusvika muna 1902. Muna 1904,
Louisiana Purchase Exposition, World's Fair huru, yakaitwa muSt. Louis, Missouri. Chiratidziro chegore negore chezvokurima/chemichina hachina kuitwa muna 1903-4, uye chakapera pashure peWorld's Fair. Zviyeuchidzo zvinobva kuSt. Louis Expositions yegore negore dzimwe nguva zvinovhiringidzwa ne1904 World's Fair zviyeuchidzo pamawebhusaiti ekutengesa.