On November 30, 1665, Queen Mariana of Austria, widow of King Philip IV of Spain, ratified the heraldic shield of Cuba, which took as its symbolic motifs the first three castles of Havana: the Real Fuerza, the Tres Santos Reyes Magos del Morro and San Salvador de la Punta.
30. studenog 1665., kraljica Marijana Austrijska, udovica Filipa IV., odobrila je grb Kube, koji je kao simbolične motive preuzeo prve tri tvrđave u Havani: Real Fuerza, El Morro i San Salvador de la Punta.