The 1939 New York World's Fair was an international exposition held at Flushing Meadows–Corona Park in Queens, New York City, United States. The fair featured exhibitions, activities, performances, films, artworks, and food presented by 62 nations, 35 U.S. states and territories, and more than 1,400 organizations and companies. Slightly over 45 million people attended across two seasons. Themed to "the world of tomorrow" and promoted with the slogan "Dawn of a New Day", the 1,202-acre (486 ha) fairground was divided into seven color-coded zones and two standalone focal exhibits, with approximately 375 buildings.
Read more on Wikipedia