Establishment of Yosemite National Park

Date: October 1, 1890 • Location: Shaw, United States

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

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.