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Trip Planner USA  /  Illinois  /  Grand Detour

Grand Detour

Historic Sites
Grand Detour is an unincorporated census-designated place in Ogle County, Illinois, United States. As of the 2010 census, its population was 429. The village is named after an odd turn in the Rock River, which flows north past the village, rather than its normal southwestern course. John Deere invented the steel plow in Grand Detour, and the John Deere House and Shop is a U.S. National Historic Landmark.HistoryGrand Detour was founded in 1835 by Leonard Andrus of Vermont. In 1836 Andrus welcomed his friend and fellow Vermont native John Deere to the town, where Deere built a house and established a forge. Deere manufactured pitchforks and shovels, and in 1837 he invented the first successful steel plow. The first was sold in 1838.The John Deere Historic Site in Grand Detour is operated by the John Deere Company. The John Deere House and Shop is listed on the National Register of Historic Places; it joined that list in 1966, the year the Register was established. It was designated a National Historic Landmark in 1964.
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