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Established Date
Yosemite National Park was established October 1, 1890. The park was established by John Muir and Robert Underwood Johnson. -
Period: to
Timeline of Yosemite National Park
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President Theodore Roosevelt Vists Yosemite
President Theodore Roosevelt visits Yosemite National Park for the first time. -
Overcrowding and pollution
Overcrowding and pollution start happening in the park.