During World War I, the 4th Army was positioned between the
Asiago plateau and the
Carnic Alps. During the
Caporetto disaster, it had to withdraw to the Mount Grappa massif, where it won the
defensive battle of Mount Grappa. It then participated in the successful
Battle of the Piave River (June 1918) and
Battle of Vittorio Veneto (October–November 1918). Its commanders were : • Luigi Nava (May 1915 - September 1915) •
Mario Nicolis di Robilant (September 1915 - February 1918) •
Gaetano Giardino (April 1918 - December 1918) ==World War II==