 Ramba uchinyora ndima iyi - Muna 1808, Napoleon Bonaparte akapinda muPortugal, uye Dom João, Muchinda Regent panzvimbo yaamai vake, Mambokadzi Maria I, akarayira kutamisirwa kwedare ramambo kuBrazil. Muna 1815 Brazil yakakwidziridzwa kuva umambo, nyika yePortugal yakava United Kingdom yePortugal, Brazil neAlgarves Reino Unido de Portugal, Brasil e Algarves, uye guta guru rakatamisirwa kubva kuLisbon kuenda kuRio de Janeiro, ndiyo chete nyaya yenyika yeEurope inotongwa kubva kune imwe yemakoroni ayo. Paivawo nokusarudzwa kwavamiriri veBrazil kuCortes Constitucionais Portuguesas Matare Omutemo ePortugal, Paramende yakaungana muLisbon pashure peRevolution yeRusununguko ya1820. 