The Portuguese captain António de Brito began the construction of a fortress on Ternate in 1522, which was named São Jõao Bautista. According to agreement, the spice trade was left to the Portuguese, where a certain price was fixed for the
cloves. This arrangement soon made for gross abuses, however. Resentment grew from other causes as well. The father of the widowed queen, the Sultan of Tidore, died in 1526, seemingly poisoned by a Portuguese physician. According to Malukan customs, peace should be kept during the first 40 days after the passing of a ruler. The Portuguese nevertheless staged an attack on Tidore and ruined the place. The arrival of new white foreigners added to the regional instability. Tidore had bonded with the remnants of the
Magellan expedition in 1521 and hoped for
Spanish reinforcements to counter the Portuguese and Ternatan rivals. In fact a Spanish ship appeared in 1527, whose crew was welcomed with open arms by the Tidorese. The newcomers oversaw the construction of a fort on Tidore; however, the Spanish bases in the Americas were too far away, and the Tidore-Spanish alliance only had substantial consequences after the founding of the
Spanish Philippines. The other Malukan kingdoms also let themselves be involved in the rivalries between Spain-Tidore and Portugal-Ternate, since
Bacan took Ternate's side and
Jailolo on
Halmahera supported Tidore. ==Increasing tension==