<P> Located on the site of a Winnebago Indian village, Charles City was originally named "Charlestown" for the son of the first - known white settler to the area, Joseph Kelly . Upon his 1851 arrival to the area, Kelly envisioned the site, with its ample supply of water from the Cedar River and adjacent timberlands, as an ideal location for a town . By 1852, twenty - five other settler families had joined Kelly in that vision and a community was born . The town name changed, first to "St. Charles" and then to "Charles City," to avoid duplication of other Iowa town names . </P> <P> Charles City became the county seat after Floyd County was established in 1851 and officially organized in 1854 . Floyd County itself was named for Sergeant Charles Floyd of the Lewis and Clark Expedition . </P> <P> Charles City is known for the role it played in the history of the American tractor . A native son Charles Walter Hart, whose father owned three local farms, met Charles H. Parr in college . After graduating from the University of Wisconsin, Hart and Parr developed a two - cylinder gasoline engine and set up their Hart - Parr Gasoline Engine Company in Charles City in 1897 . It was here in 1901 the term "tractor" with Latin roots and a combination of the words traction and power was first coined by Hart and Parr . In 1903 the firm built fifteen "tractors", the first successful production - model tractor line in the U.S. The 14,000 pound No. 3 is the oldest surviving internal combustion engine tractor in the United States and is on display at the Smithsonian National Museum of American History in Washington D.C. In 1929, Hart - Parr was one of the four companies that merged to form Oliver Farm Equipment Company and finally the White Farm - New Idea Equipment Co . At its peak in the mid-1970s, the sprawling plant complex encompassed 23 acres and employed nearly 3,000 workers . The 1980s farm crisis and other economic pressures led to the closing of the plant in 1993 . As of 2013, the vacant site stands ready for re-use . </P> <P> Although more famously known for producing tractors, the Hart - Parr company also made some of the first washing machines . Selling for $155.00 in the 1920s, the buyer had the option of ordering either an electric or gasoline engine </P>

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