The Moroccan army under Sultan Mohammed ben Abdallah was victorious and the Portuguese evacuated their last garrison in Morocco, bringing an end to their 354-year-long conflict.

[6] In early 1769, the 'Alawite Sultan Mohammed ben Abdallah, refusing to acknowledge the Portuguese rule in Mazagan,[7] prepared a large army of 70,000 men, arriving at Mazagan during the month of Ramadan, he had 35 cannons prepared and bombard it with 2,000 round shots into the city inflicting heavy casualties on the Portuguese and Damaging the city, as the siege prolonged, the garrison sent a letter to King Joseph I of Portugal asking for aid, Joseph instructed them to evacuate the fort taking everyone alongside their families when the inhabitants knew this they refused to abandon their last colony arguing their ancestors sacrificed themselves to keep it.

[9] In 1 February, a squadron, under the command of captain of sea and war Bernardo Ramires Esquível, sailed from Lisbon to evacuate the population of Mazagan.

[6] The survivors later went to the colony of Brazil, where they founded a new settlement in 1773 called Vila Nova de Mazagão in the interior of the Amapá region of the State of Grão-Pará and Rio Negro.

[6] Sultan Moulay Abd al-Rahman ordered that a mosque be built, and the destroyed portions of the former Portuguese city were rebuilt during his reign in the early nineteenth-century.