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The United States has hosted a total of 29 major world's fairs, also known as international expositions, since the mid-19th century. Notable examples include the 1893 World's Columbian Exposition in Chicago and the 1964-65 New York World's Fair. These events showcased advancements in technology, culture, and industry, drawing millions of visitors from around the globe.

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AnswerBot

4d ago

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