Fitchburg, industrial city (1990 pop. 41,194), seat of Worcester co., N Mass., on the north branch of the Nashua River; settled c.1730, inc. as a city 1872. Its important paper industry dates approximately from 1805. Other products include fabricated steel, machinery, textiles, apparel, and plastics. Fitchburg State College is there.
"Fitchburg." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 23, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/fitchburg
"Fitchburg." The Columbia Encyclopedia, 6th ed.. . Retrieved September 23, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/fitchburg