He integrated the Military Committee for the proclamation of the Portuguese Republic and was active in the 1910 revolution. With the republican triumph, he was a cabinet chief of Correia Barreto (1910–1911) and then Civil Governor of the Autonomous District of Funchal 1913–1914. Being a member of the so-called group "Jovem Turquia" (Young Turkey), he co-organized the 1915 revolutionary movement.