Sultan Untong Qudratullah II Treaty of Amity and Commerce with Governor and Captain General Narciso Claveria for confirmation of the Cessation of 1843 and allowing the Spanish trading post at Cotabato.
Sultan Untong Qudratullah II Treaty of Amity and Commerce with Governor and Captain General Narciso Claveria for confirmation of the Cessation of 1843 and allowing the Spanish trading post at Cotabato.