May 23, 1578: Governor Francisco de Sande sent off an officer to subdue the Sulu Islands
On May 23, 1578, Governor Francisco de Sande, who had taken possession of Borneo for Spain, sent off an officer, Esteban Rodriguez de Figueroa, to subdue the Sulu Islands, instructing him to convert (as gently as he can) the pirates of that place into peaceful farmers, paying tribute to the Spanish Crown.