Rubuta ci gaba don wannan sakin layi - Babban daular Braganza ya zo tare da dogon mulkin D. João V (1706<unk>1750), wanda ya yi mulki da girma da ibada. An nuna mulkin D. José I, ɗan D. João V, ta wurin girgizar ƙasa mai girma
, wanda ya buga Lisbon a 1755. Masanin siyasa na mulkinsa shi ne Marquis na 1 na Pombal. Karshen karni na 18 ya kasance yana da kwanciyar hankali, a ƙarƙashin mulkin Dona Maria I (1777<unk>1816), wanda ya kori Pombal a kan gadonta. Abin takaici Dona Maria ta zama mai rashin kwanciyar hankali, tana nuna alamun bayyanar da George III na Ingila a cikin shekarunsa na ƙarshe.