City as the capital of the north and Marawi City for the south. During the establishment process of the Autonomous Region in Muslim Mindanao, Lanao del Sur (and later Marawi City) voted to be part of the new autonomous region, while Lanao del Norte chose to remain in Northern Mindanao. Timeline 1 September 1914: Department of Mindanao and Sulu provided with autonomous government through Act No. 2408 enacted on July 23, 1914. Bukidnon sub-province and the former Moro Province districts of Cotabato, Davao, Lanao, Sulu and Zamboanga converted to provinces. 22 May 1959: Lanao province divided into Lanao del Norte and Lanao del Sur through Republic Act No. 2228. Lanao del Sur retained the provincial capital of Marawi (formerly Dansalan). 4 October 1971: Meranaw province created from Lanao del Sur through Republic Act No. 6406, remained unorganized due to the disruption caused by the declaration of martial law in the Philippines. 1975 Province of Sultan Mardan, Lanao del Sur district two nominated by AFP Governor general Mamarinta Lao in Lanao del Sur. References See also Legislative district of Lanao Lanao del Norte Lanao del Sur Former provinces of the Philippines Former provinces of the Philippines States and territories established in 1914 1914 establishments in the Philippines States and territories disestablished in 1959 1959 disestablishments in the Philippines History of Lanao del Norte History of Lanao del Sur