Historical Timeline of the Royal Sultanate of Sulu Including Related Events of Neighboring Peoples

By Josiah C. Ang, PM
Source:  Jolo and Sulu
The seat of The Royal Sultanate of Sulu is in Astana Putih, Tausug for “White Palace,” located some two kilometers southwest of the Spanish Walled City of Jolo, in Umbul Duwa at the present municipality of Indanan in Jolo Island. Jolo is the capital town of the Province of Sulu that is within the present geographical jurisdiction of the Republic of the Philippines.