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Meriwether Lewis and William Clark crossed into Idaho from Montana at the Lemhi Pass.
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The Nothern Railway is one of the first railways to enter Idaho.
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The 1st railroad arrives in Idaho.
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Bannock Indian War starts.
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The Bannock Indian War ends and begins.
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Idaho becomes the 43rd state.
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Women in Idaho got the right to vote.
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The “Big Burn” destroys 3 million acres of forest in Idaho.
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Idaho’s Latino population more than doubles.
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Wildfires burn more than 550,000 of forest land.
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The Bannock War ends.