Established on 1 March 1872 when President Ulysses S. Grant signed the protection act. Location: Yellowstone National Park, Wyoming. Key figure: 2.2 million acres. Part of the One State One Record (USA) campaign. Reference record compiled from public sources; not certified by The Book of World Records. Source: https://www.nps.gov/yell/learn/historyculture/yellowstoneestablishment.htm
Record no. MRB-2026-007220
World's First National Park
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.