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| Illinois Facts |
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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. |
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Illinois was the first state to ratify the 13th Amendment to the Constitution abolishing slavery. |
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Chicago, Illinois' first African American mayor, Harold Washington, took office in 1983. |
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