Ka kammala wannan jumla: A lokacin Yaƙin Peninsular, (1807<unk>1814) Sojojin Napoleon sun fara mamaye birnin na shekara huɗu a watan Disamba na 1807, kuma Lisbon ta shiga cikin rikici tare da sauran ƙasar. Bayan yaƙin ya ƙare a shekara ta 1814, aka kafa sabon tsarin mulki kuma aka ba Brazil 'yancin kai. Ƙarni na 20 ya kawo hargitsi na siyasa ga Lisbon da kuma al'ummar gabaki ɗaya. A cikin 1908, a lokacin tashin hankali na motsi na Jamhuriyar Republican, an kashe Sarki Carlos da magajinsa Luís Filipe a Terreiro do Paço. A kan
5 ga Oktoba 1910, 'yan Jamhuriyar Republican sun shirya " juyin mulki " wanda ya kifar da masarautar tsarin mulki kuma ya kafa Jamhuriyar Portugal. Akwai sauye-sauye na gwamnati 45 daga 1910 zuwa 1926.