Piqua (pĬk´wā), city (1990 pop. 20,612), Miami co., W Ohio, on the Miami River; settled 1797, chartered 1929. It is an industrial city with diverse manufactures, including airplane and automobile parts, steel and iron, paper, aluminum, wood, and metal products. Of special interest is a historical area just north of the city, the site of a number of old Native American villages and of battles during the last conflict of the French and Indian Wars.
"Piqua." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 24, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/piqua
"Piqua." The Columbia Encyclopedia, 6th ed.. . Retrieved September 24, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/piqua