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Century 21 Exposition

World's fair held in Seattle, Washington

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Seattle, Wash. (May 29, 2003) -- Photographed from a UH-3 “Sea King” helicopter assigned to Naval Air Station Whidbey Island Search and Rescue team, the famous Seattle, Space Needle built for the 1962
U.S. Navy photo by Photographer's Mate 2nd Class Scott Taylor. · Public domain

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As planned, the exposition left behind a fairground and numerous public buildings and public works; some credit it with revitalizing Seattle's economic and cultural life (see History of Seattle (1940–present)). The fair saw the construction of the Space Needle and Alweg monorail, as well as several sports venues (Washington State Coliseum, now Climate Pledge Arena) and performing arts buildings (the Playhouse, now the Cornish Playhouse), most of which have since been replaced or heavily remodeled. Unlike some other world's fairs of its era, Century 21 made a profit.

The site, slightly expanded since the fair, is now called the Seattle Center; the United States Science Pavilion is now Pacific Science Center. Another notable Seattle Center building, the Museum of Pop Culture (earlier called EMP Museum), was built nearly 40 years later and designed to fit in with the fairground atmosphere.

Planning and funding

Seattle mayor Allan Pomeroy is credited with bringing the World's Fair to the city. He recruited community and business leaders, as well as running a petition campaign, in the early 1950s to convince the city council to approve an $8.5 million bond issue to build the opera house and sports center needed to attract the fair. Eventually the council approved a $7.5 million bond issue with the state of Washington matching that amount. Planning officials agreed to proposals by prominent scientists to showcase the scientific achievements of the United States of America. About 75 percent of the fair buildings were constructed to be permanent.

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