Alauddin Mahmud Syah II

Sultan Alauddin Mahmud Syah II (died 28 January 1874) was the thirty-fourth sultan of Aceh in northern Sumatra. He reigned from 1870 to 1874 and was the last sultan to rule Aceh before the colonial invasion.

He was the son of Sultan Alauddin Sulaiman Ali Iskandar Syah (d. 1857) and a commoner wife. When his granduncle Alauddin Ibrahim Mansur Syah died in 1870 without living sons, Alauddin Mahmud Syah was enthroned, still a minor. He married Pocut Meurah Awan as his main wife. His main councilors were Panglima Tibang and the Arab Habib Abdurrahman Az-Zahir. The latter had exerted influence on the late sultan and was appointed guardian to the young successor who greatly admired his tutor. The two councilors were at odds with each other; Habib Abdurrahman realized that Aceh could not stay isolated from the world and favoured an understanding with the Dutch colonial state, while Panglima Tibang was averse to any compromise with Aceh's independent position.

The independence of Aceh had been granted by the Anglo-Dutch Treaty of 1824, but it was obvious that the old state of things would not last long. The opening of the Suez Canal in 1869 meant that the Melaka Straits became one of the world's most important sea routes. It was therefore highly desirable for the Dutch to gain control over northern Sumatra, and to secure that no other power gained foothold there. Negotiations with the British proceeded and an agreement was finally signed on 2 November 1871, the Sumatra Treaty. The Netherlands removed restrictions on British trade on Sumatra. In a separate but related treaty it ceded the Dutch Gold Coast in Africa. In return it gained free hands to expand in northern Sumatra - there was no more guarantee for an independent Aceh. Through a particular treaty the Dutch also got the right to recruit indentured labour from British India for Surinam. All this was done entirely over the head of the Acehnese sultan who was not consulted.

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