1. Environmental protections By Pamela Durand 2. 1864 Congress passed legislation giving Yosemite Valley to the state of California as a park. 3. 1872 Yellowstone was the first national park establish in the United States. 4. 1876 Appalachian mountain club founded. 5. 1897 6. 1892 Sierra club incorporated with john Muir as President . 7. 1920 Progressives had worked to protect public land and parks. 8. 1952 David Brower first executive director of the Sierra Club . The club had become America's foremost environmental protection organization.