The New York World's Fair 1939 was a major international exposition held in Flushing Meadows-Corona Park, New York City, from April 30 to October 27, 1939. The theme of the fair was "The World of Tomorrow," showcasing advancements in technology, architecture, and culture. It featured over 80 nations and attracted more than 44 million visitors. The fair introduced several innovations, including the first public demonstration of television by David Sarnoff of RCA. Iconic structures like the Trylon and Perisphere symbolized the event, while exhibits highlighted the potential of modern living and the promise of a better future.