ocr: Iinois Capital pringhield Major City Chicago - / Nickname Prairie State . 4 - - Flower building. Native violet DA - Landmark The Sears lower in - - Chicago is the world's tallest - I - - - L - - Did you know? The Great Chicago Fire of1871 destroyed many wooden buildings, leaving 90,000 people homeless. Historical Footnote The remains of the largest and oldest prehistoric city in the U.S.are 8 at - - Cahokia, Illinois.
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