O'Hare is about 7,627 acres, or 11.25 square miles. That roughly covers the area from the Loop north to Diversey, and west to Humboldt Park.
May 19 at 8:04 PM
The Chicago grid is almost perfectly aligned with true North.
March 27 at 8:05 PM
North Broadway, from Lakeview up to Edgewater, was called Evanston Avenue until 1913.
February 11 at 4:05 AM
In 1889, an annexation of Hyde Park, Lakeview, and Jefferson and Lake townships made Chicago the largest city in the US by area.
February 2 at 8:37 PM
At the time of incorporation, Chicago spanned from North Ave to 22nd St, and from Wood St to Lake Michigan.
February 1 at 11:18 PM
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