Specially constructed attraction showcasing the science, technology, and culture of participating countries and enterprises.
World fairs have often featured outstanding architectural designs and introduced significant inventions. The first was held in England in 1756; more than 300 have been held since. The most notable include the 1851 Crystal Palace Exhibition (London), the 1876 U.S. International Centennial Exposition (Philadelphia), the 1893 World's Columbian Exposition (Chicago), the 1901 Pan-American Exposition (Buffalo, N.Y.), the 1904 St. Louis World's Fair, the 1910 Brussels World's Fair, the 193334 Century of Progress (Chicago), the 193940 Golden Gate Exposition (San Francisco), the 193940 New York World's Fair, the 196465 New York World's Fair, the 1967 Montreal Exposition, and the 1998 World Exposition (Lisbon).