This event is in the "Adults" group. America's World's Fairs 7:30pm - 8:30pm Adults Central Branch Open Required This event is in the "Adults" group. Apr 21 2025 Mon America's World's Fairs 7:30pm - 8:30pm Central Branch Open Library Branch: Central Branch Room: Maxine White Warfield Room Age Group: Adults Program Type: History & Genealogy Required Event Details: America's World's Fairs offered Americans an opportunity to learn about new tools and technology, encounter different cultures, and be informed of the very nature of their world.