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The Walker Party are the first Europeans in Yosemite
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,Mariposa Battalion drives the Yosemite Indians out of Yosmeite Park
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Albert Bierstadt uses Yosemite's Scenery to create numerous Paintings and sketches
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The Yosemite Stage and Turnpike Company established the first organized stageline in Yosemite.
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John Muir sets aside Yosemite as a preserve as a state park under California
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Teddy Roosevelt visits Muir in Yosemite
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Yosemite Valley and the Mariposa Grove are included as part of Yosemite National Park.
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A bill is passed to make Yosemite a National Park
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The San Fransisco Earthquake
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The Yosemite Valley Railroad begins operation from Merced to El Portal.
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Automobiles legally entered Yosemite National Park for the first time.
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Hearing to dam the Hetchy- Hetch on tehToulome River
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National Park System is Founded
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Ansel Adams Starts Pphotagrapy and School in Yosmemite