Bergen was a city that existed in Hudson County, New Jersey, United States, from 1855 to 1870. Bergen was originally incorporated as a town by an Act of the New Jersey Legislature on March 24, 1855, from portions of Bergen Township. In 1862, it did a reverse takeover, absorbing the remaining portions Bergen Township. On April 14, 1863, portions of the town were taken to form Greenville Township. Bergen was reincorporated as a city on March 11, 1868. On May 2, 1870, both Bergen City and Hudson City were annexed by Jersey City.
^ a b Snyder, John P. (1969). The Story of New Jersey's Civil Boundaries: 1606-1968. Bureau of Geology and Topography. http://books.google.com/books?id=f4c_AAAAIAAJ&q.
Hudson was a city that existed in Hudson County, New Jersey, United States, from 1855 to 1870. Hudson Town, a predecessor of Hudson City, was formed by an Act of the New Jersey Legislature on April 12, 1852, from portions of North Bergen Township. Hudson City itself was incorporated on April 11, 1855, from portions of Hudson Town and North Bergen Township. On May 2, 1870, both Hudson City and Bergen City were annexed by Jersey City, and is now the The Heights section of the city.