Hackensack (HA-kin-sak), city (1990 pop. 37,049), Bergen co., NE N.J., on the Hackensack R., a residential and industrial suburb of N.Y. city; 40°53'N 74°02'W. Mfg. includes furniture, clothing, textiles, machinery, and processed foods. Trading post here est. 1647 by Du. settlers from Manhattan. During the Amer. Revolution the city served as camping ground for armies of both sides. Grew as a commercial and shipping center in the early 1800s. Of interest are the Church on the Green (First Du. Reformed; built 1696, rebuilt 1728) and the von Steuben House (1739), a state historic site and the hq. of the co. historical society. A campus of Fairleigh Dickinson Univ. is here. Settled 1647, inc. as a city 1921.
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