The historical significance of the establishment of the National Parks Service in 1916 lies in its commitment to conserving America's natural and cultural resources. This initiative aimed to ensure that national parks were preserved for future generations and promote public access to these areas. By protecting landscapes, wildlife, and historical sites, the National Parks Service fostered an appreciation for nature and outdoor recreation. It also played a role in broader conservation efforts and raised awareness about environmental issues, influencing policies related to land use and preservation that continue to shape national discourse on natural resource management.