Kammala jumla mai zuwa: A lokacin yakin duniya na biyu, duka "Giulio Cesare" da 'yar'uwarta,, sun shiga cikin yakin Calabria a watan Yulin 1940, lokacin da tsohon ya lalace kadan. Dukansu sun kasance a lokacin da 'yan bindiga na Birtaniya suka kai hari
ya kai hari ga rundunar jiragen ruwa a Taranto a watan Nuwamba 1940, amma "Giulio Cesare" ba a lalace ba. Ta bi da wasu jiragen ruwa zuwa Arewacin Afirka kuma ya shiga cikin yakin Cape Spartivento a karshen 1940 da kuma yakin farko na Sirte a karshen 1941. An sanya shi a matsayin jirgin horo a farkon 1942, kuma ya tsere zuwa Malta bayan yarjejeniyar Italiya a shekara mai zuwa. An tura jirgin zuwa Tarayyar Soviet a 1949 kuma aka sake masa suna Novorossiysk (). Har ila yau, Soviets sun yi amfani da shi don horarwa har sai an nutsar da shi a shekara ta 1955, tare da asarar mutane 608, lokacin da tsohuwar ma'adinan Jamus ta fashe. An ceto shi a shekara mai zuwa kuma daga baya ya rushe.