Historedia
Person

Henry Washburn

Events
2
Episodes
8
Years
1869–1872

Every event in Historedia whose sources name Henry Washburn, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Yellowstone National Park established

    1869–1872

    Role: Surveyor-general of Montana and expedition head

    1. 1869 · Yellowstone areaCook-Folsom-Peterson Expedition

      First detailed expedition to Yellowstone, providing reports that influenced later preservation efforts.

    2. 1870 · Yellowstone areaWashburn-Langford-Doane Expedition

      Expedition that named Old Faithful and organized preservation efforts.

    3. 1871 · Yellowstone areaHayden Geological Survey

      Government-sponsored survey producing comprehensive reports and visual documentation.

    4. 1872-03-01 · Yellowstone National ParkYellowstone Established

      Yellowstone established as the first US national park in 1872.

  2. Yellowstone National Park established

    1869–1872

    Role: Surveyor-general

    1. 1869 · Yellowstone areaCook-Folsom-Peterson Expedition

      First detailed expedition to Yellowstone, providing reports that influenced later preservation efforts.

    2. 1870 · Yellowstone areaWashburn-Langford-Doane Expedition

      Expedition that named Old Faithful and organized preservation efforts.

    3. 1871 · Yellowstone areaHayden Geological Survey

      Government-sponsored survey producing comprehensive reports and visual documentation.

    4. 1872-03-01 · Yellowstone National ParkYellowstone Established

      Yellowstone established as the first US national park in 1872.

Sources

  1. Yellowstone National Park Wikipedia, revision of 2026-10-06