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France surrenders and gives Illinois to Great Britain.
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The northwest ordinance made slavery illegal.
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It became part of the U.S. territory after the Civil War.
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The U.S. gains control of Illinois form Great Britain.
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Illinois became a state.
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Springfield became the capital.
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The Illinois and Michigan canal was built.
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The railraod system went all through Illinois.
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The Great Chicago Fire burned and killed many people. It also burned down many houses.
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The Sears Tower was finished and people can go up it.