Rubuta ci gaba don wannan sakin layi - Lokacin kafin Yaƙin Duniya na I, shekaru ne na rashin zaman lafiya na siyasa a Fotigal. A farkon watan Oktoba 1910, wani taron juyin juya hali na jamhuriya
ya faru a Lisbon. Duk da karɓar ƙaramin tallafi na jama'a da na soja, 'yan juyin juya hali sun sami damar yin nasara, godiya ga halin da sojojin ke ciki da kuma rashin yarda da murkushe tashin hankali, tare da rusa Tsarin Mulki na Tsarin Mulki da kuma ayyana jamhuriya a ranar 5 ga Oktoba, 1910. Ofaya daga cikin matakan farko na sabon tsarin jamhuriya shi ne aiwatar da sake fasalin soja wanda ke da nufin canza rundunar sojan Fotigal zuwa rundunar soja, wanda aka tsara bayan rundunar sojojin Switzerland.