This year marks the 200-year anniversary of Illinois. Check out some milestone moments in the state's history:
1893: The World’s Columbian Exposition of 1893 takes place over a six-month period in Chicago and attracts 27 million visitors, which was more than 40 percent of the nation’s total population at the time.
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how and when eastern colony people moved to westward after lewis & clark expedition in 1804-06 from ILLINOIS