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At the encouragement of preservationist John Muir and writer Robert Underwood Johnson, the U.S. Congress established Yosemite National Park in California.

Historical image related to At the encouragement of preservationist John Muir and writer Robert Underwood Johnson, the U.S. Congress established Yosemite National Park in California. from October 1, 1890

John Muir

Scottish-American naturalist (1838–1914)

John Muir, also known as "John of the Mountains" and "Father of the National Parks", was a Scottish-born American naturalist, author, environmental philosopher, botanist, zoologist, glaciologist, and early advocate for the preservation of wilderness in the United States.
Source: Wikipedia (CC BY-SA)

Robert Underwood Johnson

American writer, poet and diplomat (1853–1937)

Robert Underwood Johnson was an American writer, poet, and diplomat.
Source: Wikipedia (CC BY-SA)

United States Congress

Bicameral legislature of the United States

The United States Congress is the legislative branch of the federal government of the United States. It is a bicameral legislature, including a lower body, the U.S. House of Representatives, and an upper body, the U.S. Senate. They both meet in the United States Capitol in…
Source: Wikipedia (CC BY-SA)

Yosemite National Park

National park in California, United States

Yosemite National Park is a national park of the United States in California. It is bordered on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers 759,620 acres in four counties…
Source: Wikipedia (CC BY-SA)