Chicago, Illinois is home to the Chicago Water Tower and Pumping Station, the only buildings to survive the Great Chicago Fire.
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The world's largest cookie and cracker factory, where Nabisco made 16 billion Oreo cookies in 1995, is located in Chicago, Illinois.
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The abbreviation "ORD" for Chicago's O'Hare airport in Illinois comes from the original name Orchard Field. O'Hare Airport was named in honor of Lieutenant Commander Edward H. "Butch" O'Hare.