These governments were the Sultanate of Sulu, which was founded approximately in 1450, and the Sultanate of Maguindanao and Buayan which were united by Sultan Kudarat into one Sultanate, Sultanate of Maguindanao in 1619.
Sultan Kudarat's sphere of power and influence, aside from his traditional dominion over the whole of Cotabato, Lanao, Davao, Misamis, Bukidnon, and Zamboanga, was so extensive that he was able to collect tributes from seafaring inhabitants of the coast of Borneo and some areas of Basilan and the Visayas.
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