Ōsaka World’s Fair

1970, Japan

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July 1, 2026

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The 1970 Osaka World Exposition was a significant international exhibition held in Japan. It attracted a record number of visitors, exceeding 60 million, and showcased Japan's remarkable recovery and resurgence after World War II. The event demonstrated that Japan had re-established itself as a leading global nation. This exposition was part of a broader trend of world's fairs that, while sometimes overshadowed by Cold War rivalries, increasingly focused on the host country's achievements and cultural identity. The Osaka Expo's success in visitor numbers was later surpassed by Expo Shanghai 2010.123

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construction
Postwar developments in long-span construction
The Ōsaka World’s Fair of 1970 included many air-supported structures, the largest of which was the U.S. Pavilion designed by the engineers Geiger Berger Associates; it had an oval plan 138 × 79 meters (460 × 262 feet), and the inflated domed roof of vinyl-coated fabric…
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The Ōsaka World’s Fair of 1970 included many air-supported structures, the largest of which was the U.S. Pavilion designed by the engineers Geiger Berger Associates; it had an oval plan 138 × 79 meters (460 × 262 feet), and the inflated domed roof of vinyl-coated fabric…
Read More