Sii qor faqradan - Wuxuu ku dhashay Montemor-o-Velho, wuxuuna noqday a Knight of the Order of Aviz isagoo u adeegaya Infante Dom Pedro, oo ah wiilka Regent Infante Peter, Duke of Coimbra. Kadib markii laga adkaaday Peter iyo geeridiisii dagaalkii Alfarrobeira (1449), wuxuu raacay sayidkiisii masaafurinta. Sanadkii 1458, wuxuu u dagaallamay dhanka Afonso V guushii Alcácer-Ceguer ee Morocco. Waxaa la gudoonsiiyay dhowr abaalmarin waxaana uu noqday la taliyaha boqorka. Intii lagu guda jiray Dagaalkii Dhaxalka Castilian
, wuxuu ka qeyb qaatay dib u qabsashada magaalada Alegrete ee reer Castile. Dhaawaca lugta ayaa soo gaaray intii uu dagaalka socday.