The 1939 New York World's Fair 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, highlighting innovations like the Futurama exhibit designed by General Motors. The fair introduced many iconic structures, including the Trylon and Perisphere, which became symbols of the event. It also presented the first public demonstration of television by David Sarnoff of RCA, marking a significant moment in broadcasting history.