WH_WoodrowWilson1a September 1, 2017 President Woodrow Wilson signed the act creating the National Park Service on August 25, 1916: Glynn Wilson Related Posts:Ranger Program: Welcome to WashingtonNational Parks Set Visitation and Economic Impact…Capturing Fall Foliage Pictures in Maryland's…National Park Service Highlights Less Famous Parks…Summer 2023 Ranks as the Hottest on Record 'By a…National Park Service Announces Free Days for 2024