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arrow (1743) Pierre De la Verendyre discovered Rocky Mountains

arrow (1803) The Louisiana Territory was purchased by the U. S. from France

arrow (1805) Captains Lewis and Clark discovered Idaho at Lemhi Pass

arrow (1809) Britain opened first trading post; Kullyspell House was built

arrow (1810) Fort Henry, the first American trading post established

arrow (1811) Pacific Fur company expedition explored Snake River Valley; discovered Boise Valley

arrow (1820) Treaty between Spain and U. S. established southern boundary of Idaho at 42nd parallel

arrow (1823) Battle fought in Lemhi Valley between Snake River explorers and Piegan Indians

arrow (1824) U. S. received Northwest Territory from Russia in treaty

arrow (1832) First crossing of Rocky Mountains in covered wagons; battle of Pierre's Hole between fur trappers and Grosventre Indians

arrow (1843) Oregon Trail established in Idaho

arrow (1852) Gold discovered on the Pend Oreille River

arrow (1854) Twenty-one immigrants massacred in Boise Valley by Snake River Indians

arrow (1863) Idaho Territory organized; Bear River Massacre, the West's largest slaughter of Indians, occurred

arrow (1865) Boise became capital of Idaho

arrow (1877) Nez Perce Indian Wars took place

arrow (1878) Bannock Indian Wars were fought

arrow (1880) Lead and silver lodes were discovered in Wood River area

arrow (1890) Idaho became 43rd state on July 3; first session of Idaho legislature met

arrow (1897) Bitterroot Forest Reserve was established to protect bison

arrow (1906) Largest sawmill in U. S. began operations at Potlatch

arrow (1910) Forest fires consumed one-sixth of Idaho's forests, destroyed many communities

arrow (1915) Arrowrock Dam completed

arrow (1917) Statewide prohibition went into effect

arrow (1924) Craters of the Moon National Monument established; Black Canyon Dam completed

arrow (1931) State income tax law adopted

arrow (1934) Idaho became number one in U.S. in silver production

arrow (1935) Statewide prohibition repealed

arrow (1942 Japanese-Americans placed in internment camps at Hunt

arrow (1949) National Reactor Testing Station near Arco established

arrow (1955) Arco, Idaho, became first town lit by atomic power

arrow (1960) Seven-month strike by miners at Bunker Hill Mine; forest fires in Hells Canyon and Idaho City area

arrow (1961) Ernest Hemingway died in Ketchum

arrow (1972) Sunshine Mine fire in Kellogg killed 91

arrow (1976) Teton Dam collapsed, killing 11 and forced over 300,000 to evacuate

arrow (1980) Northern Idaho covered with layer of volcanic ash from eruption of Mt. St. Helens in Washington; 18 hour riot at Idaho State Prison caused $2 million in damages

arrow (1983) Earthquake in Lost River Valley killed two and caused millions of dollars in damage

arrow (1985) Grasshopper infestation destroyed great areas of farmlands

arrow (1989) Forest fires burned thousands of acres in south central Idaho; Idaho lottery began

arrow (1991) Kirby Dam collapsed, electrical power cut off to residents, arsenic, mercury, cadmium dumped into Boise River

arrow (1992) Fire caused $3.2 million in damages to State Capitol; worst forest fire season in Idaho's history

arrow (1994) Wildfires burned approximately 750,000 acres; Picabo Street won Olympic silver medal in downhill skiing

arrow (1995) Picabo Street became first American to win World Cup downhill title

arrow (1996) Northern Idaho hit with major floods

arrow (1997) New Year's day floods occured in southwest Idaho

arrow (2000) 559,183 acres burned in forest fires

arrow (2001) 24 counties declared drought disaster areas

arrow (2003) Longest legislative session in history lasted 118 days

arrow (2005) Nez Perce water agreement ratified, tribe received annual rights to 50,000 acre-feet water from Clearwater River and $80 million cash.

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