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The Illinwek traveled and settled in Illinois to grow crops and make homes.
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France claims the Illinois country.
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The United States Constitution is the supreme law of the United States.
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Illinois approved its first constitution and enters the union as the 21st state.
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The American win the Black Hawk War, the last Indian war in Illinois.
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Abraham Lincoln is elected President leading to the Civil War.
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Springfield becomes the capital of Illinois.
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A huge fire detroys a large part of Chicago.
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The United States engadged in World War 1.
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Illinois native Ronald Regan is elected U.S. President.