Rubuta ci gaba don wannan sakin layi - Calvisius ya kasance mai yiwuwa a cikin 46, amma mafi mahimmanci a cikin 44 BC. A cikin 45, ya kasance gwamnan "Afrika Vetus", lardin da aka kafa daga yankin Carthaginian bayan Yaƙin Punic na Uku
, yayin da C. Sallustius Crispus, masanin tarihi wanda aka fi sani da Sallust, ya zama gwamnan farko na "Africa Nova", lardin da Kaisar ya kirkira daga tsohuwar masarautar Numidia. A shekarar da ta gabata, sojojin majalisar dattijai sun taru a Afirka bayan shan kashi a Pharsalia, kuma yakin Thapsus yana nufin cewa an yanke hukuncin yakin a kasar Afirka. Calvisius ya koma Roma wani lokaci kafin 15 ga Maris, 44, lokacin da yake cikin majalisar dattijai yayin kisan Kaisar, amma ya bar wakilai biyu a Utica waɗanda wataƙila sun haifar da matsala ga magajinsa, Quintus Cornificius.