National Park Service the United States. In 1872, there was no state government to manage it, so the federal government assumed direct control. Yosemite National Park began as a state park; the land for the park was donated by the federal government to the state of California in 1864 for perpetual conservation. Yosemite was later returned to federal ownership. At first, each national park was managed independently, with varying degrees of success. In Yellowstone, the civilian staff was replaced by the U.S. Army in 1886. Due to the irregularities in managing these national treasures, Stephen Mather petitioned the federal government to improve the
Yosemite National Park diversity. Almost 95% of the park is designated wilderness. On average, about 4 million people visit Yosemite each year, and most spend the majority of their time in the 5.9 square miles (15 km) of Yosemite Valley. The park set a visitation record in 2016, surpassing 5 million visitors for the first time in its history. Yosemite was central to the development of the national park idea. Galen Clark and others lobbied to protect Yosemite Valley from development, ultimately leading to President Abraham Lincoln's signing the Yosemite Grant in 1864. John Muir led a successful movement to have Congress establish