Seeschlacht bei Kap Teulada
"Giulio Cesare" participated in the Battle of Cape Spartivento on 27 November 1940, but never got close enough to any British ships to fire at them. The ship was damaged in January 1941 by a near miss during an air raid on Naples; repairs were completed in early February. She participated in the First Battle of Sirte on 17 December 1941, providing distant cover for a convoy bound for Libya, again never firing her main armament. In early 1942, "Giulio Cesare" was reduced to a training ship at Taranto and later Pola. She steamed to Malta in early September 1943 after the Italian surrender. The unsuccessfully attacked the ship in the Gulf of Taranto in early March 1944.