It was incorporated by an act of the New Jersey Legislature on February 21 , 1798 , as one of New Jersey 's original group of 104 townships .
Hillsborough Township was originally created by Royal charter on September 12 , 1771 , from portions of Western precinct .
Hillsborough Township was incorporated by an act of the New Jersey Legislature on February 21 , 1798 , as one of New Jersey 's original group of 104 townships .
Hillsborough Township was originally created by Royal charter on September 12 , 1771 , from portions of Western precinct .