JULICH (Fr. fullers)  , a town of Germany, in the Prussian Rhine province, on the right bank of the Roer, 16 m . N . E. of Aix-la-Chapelle . Pop . (1900), 5459• It contains an Evangelical and two Roman Catholic churches, a gymnasium, a school for non-commissioned officers, which occupies the former ducal palace, and a museum of local antiquities . Its manufactures include sugar, leather and paper . Julich (formerly also Gulch, Guliche) the capital of the former duchy of that name, is the Juliacum of the Antonini Itinerarium; some have attributed its origin to Julius Caesar . It became a fortress in the 17th century, and was captured by the archduke Leopold in 1609, by the Dutch under Maurice of Orange in 161o, and by the Spaniards in 1622 . In 1794 it was taken by the French, who held it until the peace of Paris in 1814 . Till 186o, when its works were demolished, Julich ranked as a fortress of the second class .