John C. Frémont's Western Expeditions (1842–1854)

1. War Department assigns Frémont to Oregon Trail survey

   Jun 15, 1842Labels: War Department, John C, Oregon Trail

   • Britannica
   • Wikipedia

2. Frémont climbs Fremont Peak in Wind River Range

   Aug 15, 1842Labels: Fremont Peak, Wind River, John C

   • Britannica
   • Fremont Peak

3. Second expedition departs to map Oregon Country

   Jun 1, 1843Labels: John C, Oregon Country, Oregon Trail

   • Smithsonian
   • Britannica

4. Expedition reaches Columbia River at survey’s western limit

   Nov 4, 1843Labels: Columbia River, Oregon Country, Fr mont

   • Smithsonian
   • Oregon Hist

5. Winter Sierra Nevada crossing reaches Sutter’s Fort

   Mar 1, 1844Labels: Sutter's Fort, Sierra Nevada, John C

   • Britannica
   • Smithsonian

6. Expedition returns east; reports fuel influential maps

   Aug 6, 1844Labels: Fr mont, John C, Expedition reports

   • Encyclopedia
   • LOC Map

7. Third expedition leaves to survey Great Basin and California

   Jun 1, 1845Labels: Great Basin, John C, Sierra Nevada

   • Wikipedia
   • Encyclopedia

8. Third expedition reaches American River area near Sutter’s Fort

   Dec 9, 1845Labels: American River, Sutter's Fort, Sacramento Valley

   • Encyclopedia
   • Wikipedia

9. Frémont camps near Upper Klamath Lake on route north

   May 1, 1846Labels: Upper Klamath, John C, borderlands

   • CA Parks
   • Britannica

10. Bear Flag Revolt begins; Frémont supports insurgents

    Jun 25, 1846Labels: Bear Flag, Sonoma, John C

    • Britannica
    • HISTORY

11. Court-martial convicts Frémont; Polk commutes sentence

    Jan 31, 1848Labels: Court-martial, John C, James K

    • LOC History
    • EBSCO

12. Fourth expedition begins; winter disaster in San Juan Mountains

    Oct 1, 1848Labels: San Juan, Fourth Expedition, John C

    • NPS GRSA
    • NPSHistory

13. Fifth expedition crosses Colorado Rockies via Cochetopa Pass

    Dec 1, 1853Labels: Cochetopa Pass, Colorado Rockies, Fifth Expedition

    • NPS GRSA