Ku qor sii wadida cutubkan - Dagaalkii Alcácer Quibir ee 1578 wuxuu arkay dhimashada boqorka da'da yar ee Sebastian. adeerkii Sebastian iyo bedelka, Cardinal Henry, wuxuu ahaa 66 sano jir waqtigaas. Geerida Henry waxaa raacay dhibaato dhaxalsiinta, iyadoo saddexda awoowe ee Manuel I ay sheegeen carshiga: Infanta Catarina, Duchess of Braganza (guursaday John, 6th Duke of Braganza), António, Prior of Crato, iyo King Philip II ee Spain. António waxaa loo aqoonsaday Boqorka Boortaqiiska dadka Santarém 24-kii Luulyo, 1580, ka dibna magaalooyin badan iyo tuulooyin ku baahsan dalka oo dhan. Qaar ka mid ah xubnaha Golaha Guddoomiyayaasha Portugal oo taageeray Philip ayaa u baxsaday Spain waxayna ku dhawaaqeen inuu yahay dhaxal sugaha sharciga ah ee Henry. Philip wuxuu galay Portugal wuxuuna ka adkaaday ciidamada daacadda u ah Prior of Crato dagaalkii Alcântara
Waxaad Ciidamada qabsaday miyiga (Tercios) oo uu hoggaaminayay Duke 3aad ee Alba ayaa yimid Lisbon. Duke of Alba wuxuu ku soo rogay gobollada Boortaqiiska xukunka Philip ka hor inta uusan galin Lisbon, halkaas oo uu ku qabsaday hanti aad u tiro badan; Dhanka kale, wuxuu u oggolaaday askartiisa inay boobaan agagaarka caasimadda. Philip waxaa loo aqoonsaday inuu yahay boqorka Cortes of Tomar sanadkii 1581, isagoo bilaabay xukunkii reer Habsburg ee Portugal. Markii Philip uu ka tagay Madrid 1583, wuxuu ka dhigay adeerkiis Albert of Austria ku xigeenkiisa Lisbon. Magaalada Madrid wuxuu ka aasaasay Golaha Portugal si uu uga taliyo arrimaha Portugal.