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History

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At a Glance

  • 1805 – Lewis and Clark enter Idaho at Lemhi Pass
  • 1834 - Fort Boise established
  • 1849 – California Gold Rush begins
  • 1861 - Lewiston established
  • 1864 - Boise City is incorporated
  • 1877 - Nez Perce Indian War
  • 1882 – Northern Pacific Railroad completed in Idaho
  • 1882 - Construction on the New York Canal begins
  • 1886 - Territorial Capitol completed
  • 1890 - Idaho becomes the 43rd state
  • 1901 - Swan Falls hydroelectric dam completed
  • 1910 - North Idaho fires known as the "The Big Blowup"
  • 1915 - Arrowrock Dam completed
  • 1391 - State symbols adopted
  • 1936 - First chair lift
  • 1939 - First Albertson's store opens
  • 1941 - JR Simplot begins potato dehydration operation
  • 1951 - First Atomic power produced at EBR1
  • 1972 - Sawtooth National Recreation Area completed
  • 1975 - Port of Lewiston opens
  • 1976 - Teton Dam collapses
  • 1995 - North Idaho floods bring President to Idaho
  • 2009 - Idaho hosts the Special Olympics World Winter Games