Pedzisa mutsara unotevera: Ichipesvedzerwa neshanduko dzorusununguko dziri kuitika muEurope, Shanduko Yorusununguko ya1820 yakatanga muPorto. VaRevolutionaries vaida kudzoka kwaJohn VI wePortugal, uyo akanga aendesa Dare rePortugal kukoloni yePortugal yeBrazil kubvira pakurwiswa kweFrance kwePortugal, yakadawo kuti hurumende yemubatanidzwa igadziriswe muPortugal. Muna 1822 bumbiro remitemo rakareruka rakagamuchirwa, murutivi kupfurikidza nenhamburiko dzesangano rakareruka rePorto (Junta do Porto). Apo Miguel wePortugal akatora chigaro choumambo chePortugal muna 1828, akaramba bumbiro iri uye akatonga samambo ane udzvinyiriri, achitanga hondo yavagari vemo. Porto akapandukira zvakare uye aifanira kukombwa kwemwedzi gumi nemasere pakati pa1832 na1833 neuto raMiguelist. Pashure pokubva pachigaro kwamambo Miguel bumbiro remitemo rakareruka rakadzorerwa. Porto inonziwo "Cidade Invicta" (Chirungu: Guta Risina Kukundwa) pashure pokudzivisa kwayo hondo yaMiguelist mukukombwa kwePorto. Kusagadzikana kwakaitwa navaRepublican kwakatungamirira kukumukira muPorto pana 31 January 1891. Ikoku pakupedzisira kwaizoguma
kusikwa kweRepublic yePortugal muna 1910.