 Tenafly was incorporated as a borough on January 24, 1894, by an act of the New Jersey Legislature from portions of the now-defunct Palisades Township, based on the results of a referendum held the previous day.The borough was the first formed during the "Boroughitis" phenomenon then sweeping through Bergen County, in which 26 boroughs were formed in the county in 1894 alone.Portions of Palisades Township were acquired based on legislation approved on April 8, 1897.