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Illinois is explored by Louis Jolliet and Jacques Marquette.
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France looses to England and England takes a large portion from France that includes Illinois.
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Illinois's territory is created.
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Illinois becomes the 21 state.
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Springfield is settled.
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Springfield becomes Illinois's state capitol.
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A huge fire destroys a large part if Chicago.
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The world's first skyscraper was built in Chicago.
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The World Fair takes place.
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Barack Obama of Illinois is elected as the first African American president.
