‘Denim’ originated as a contraction of the French phrase serge de Nîmes (serge from Nîmes). Denim has been used in the United States since the mid-19th century. Denim initially gained popularity in 1873 when Jacob W. Davis, a tailor from Nevada, manufactured the first pair of rivet-reinforced denim pants.
History of Jeans and Denim. Jeans are pants made from denim or dungaree cloth. They were invented by Jacob Davis and Levi Strauss in 1873 and a worn still but in a different context. Jeans are named after the city of Genoa in Italy, a place where cotton corduroy, called either jean or jeane, was manufactured.