Kammala jumla mai zuwa: A farkon Yakin Maidowa na Fotigal (1640-1668), sansanin soja ya sha wahala karo na biyu, ta sojojin da ke biyayya ga Duke na Braganza, wanda ya zama Sarki John IV na Fotigal a 1640. A lokacin mulkinsa an yi wasu ayyukan gyara a sansanin soja ciki har da gina bariki da masauki ga garkuwar da kuma karin kariya daga hare-hare daga ƙasa. An aiwatar da ƙarin ci gaba a cikin 1751 amma a cikin 1755 sansanin ya sha wahala sakamakon ambaliyar ruwa.
Girgizar kasa ta Lisbon, mafi tsanani shine rushewar hasumiyar hasumiya a tsakiyar filin. Hasken wuta ya sake aiki a 1761.