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Z88A4 TIL In 1903 after camping with John Muir, Teddy Roosevelt established Yosemite as a national park to preserve its "majestic beauty all unmarred." As President, TR signed into existence four other national parks, 18 national monuments, 55 national bird & wildlife refuges, and 150 national forests.
xV1W1 TIL that after John Muir recovered from temporary blindness,caused by a factory accident that shot a piece of metal into his eye, he dedicated his life to the environment and help established Yosemite, Sequoia, Mount Rainer, and the Grand Canyon as National Parks.