World's fair

A large international exhibition where countries, companies, and organizations present advances in industry, science, culture, and design. These temporary events often include national pavilions and landmark structures.

Bureau International des Expositions: An intergovernmental organization that regulates and coordinates recognized international exhibitions. It grants recognition to many contemporary world's fairs and sets rules for participating exhibitions.
Great Exhibition: The 1851 exhibition of industry and culture held in London's Crystal Palace. Its success established a model for later international exhibitions.
Eiffel Tower: A wrought-iron tower in Paris built as the entrance arch for the 1889 world's fair. Its survival shows how a fair structure can become a permanent national landmark.
Trade fair: An exhibition where companies display products and services to attract buyers and business partners. Trade fairs prioritize commercial transactions, while world's fairs pursue broader public and national display.
National pavilion: A building or exhibition space representing a country at an international exposition. Pavilions give participating countries distinct spaces to present their identity and achievements.
Crystal Palace: A vast iron-and-glass exhibition building erected in London's Hyde Park for the 1851 Great Exhibition. Its prefabricated construction made the exhibition's scale and industrial ambition visible.
Ferris wheel: A large rotating amusement ride in which passenger cars travel around a vertical wheel. The first modern Ferris wheel debuted at Chicago's 1893 world's fair.
Biennale: A recurring international exhibition, usually focused on contemporary art and held every two years. Biennales share the international exhibition format but center on art rather than broad national showcases.
Exposition theme: A central subject used to organize an exhibition's design, programming, and displays. Themes shape how a fair connects diverse national and commercial exhibits.
Exposition Universelle (1867): The international exposition held in Paris in 1867, featuring exhibits from dozens of countries. It helped turn the fair into a recurring contest of national industry and culture.

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