Kammala jumla mai zuwa: Ya sanya kansa a ƙarƙashin umarnin Janar Urquiza, amma ba a san ko ya yi yaƙi a
Yaƙin Caseros inda aka ci Rosas. Ya goyi bayan manufofin Urquiza a Buenos Aires, kuma yana da alhakin rundunar soja ta tarayya. Har ila yau, Jam'iyyar Unitarian ta ƙi jininsa sosai wanda ke karɓar iko da birnin, kuma wanda zai tsige gwamna Vicente López y Planes a cikin juyin juya halin Satumba wanda Casanovas bai samu damar gani ba. An kashe shi a shekara ta 1852 a cikin titin Buenos Aires ta wani memba na jam'iyyar Unitarian (bayanin kula: motsi na siyasa, ba shi da alaƙa da cocin Kirista), wanda har yanzu ya yi imanin cewa yana da laifi na cin amanar 1841.