De Kalb, city, De Kalb County, northern Illinois, on the Kishwaukee River; settled 1837, incorporated as a city 1877. It is a center for agricultural production and research. Major manufactures include electric motors, grain elevators, canned vegetables, and road-paving equipment. The city is the seat of Northern Illinois University (1895). A widely used type of barbed wire was invented in 1873 by a De Kalb resident, Joseph F. Glidden, and barbed wire was manufactured here until 1938. Known also for the development of hybrid corn the city is named for Johann Kalb, who fought for the colonies in the American Revolution. Population 33,099 (1980); 39,018 (2000).Microsoft® Encarta® Online Encyclopedia 2001 http://encarta.msn.com © 1997-2001 Microsoft Corporation. All rights reserved. De Kalb Information info Find out your Home's Value - Homes for Half Price
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