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The State of East Sumatra (''Negara Sumatera Timur'') was established by the Netherlands after the reoccupation of North Sumatra in July, 1947, during the first of the Dutch " police actions" against the fledgling Republic of Indonesia. In 1949, as part of a peace deal that concluded the
Indonesian National Revolution The Indonesian National Revolution, or the Indonesian War of Independence, was an armed conflict and diplomatic struggle between the Republic of Indonesia and the Dutch Empire and an internal social revolution during Aftermath of WWII, postw ...
, it joined the
United States of Indonesia The United States of Indonesia ( nl, Verenigde Staten van Indonesië, id, Republik Indonesia Serikat, abbreviated as RIS), was a short-lived federal state to which the Netherlands formally transferred sovereignty of the Dutch East Indies (except ...
, of which the
Republic A republic () is a "state in which power rests with the people or their representatives; specifically a state without a monarchy" and also a "government, or system of government, of such a state." Previously, especially in the 17th and 18th c ...
was also a component state. In August, 1950, it was absorbed into the Republic as part of the province of
North Sumatra North Sumatra ( id, Sumatra Utara) is a province of Indonesia located on the northern part of the island of Sumatra. Its capital and largest city is Medan. North Sumatra is Indonesia's fourth most populous province after West Java, East Java and ...
. The area covered by the former state included the present-day regencies of
Langkat The Sultanate of Langkat () was a Malay Muslim state located in modern Langkat Regency, North Sumatra. It predates Islam in the region, but no historical records before the 17th century survive. It prospered with the opening of rubber plantatio ...
,
Deli Serdang Deli Serdang ( id, Kabupaten Deli Serdang; Jawi: دلي سردڠ) is a regency in the Indonesian province of North Sumatra. It surrounds the city of Medan, and also borders the city of Binjai, which is effectively a bedroom community for Medan ...
, Serdang Bedagai, Karo, Simalungan, Batubara and Asahan, together with the cities geographically within those regencies.


History

The Dutch focused their campaign to re-establish colonial rule in Sumatra on Northeast Sumatra for economic and political reasons. Before the Japanese invasion of the Netherlands East Indies in 1942 the region had been home to highly productive plantations and oil fields. The prewar Dutch had worked closely with local Malay sultans to administer the region and make its natural resources available to Western capital. By the 1930s most of the plantation workforce and the urban middle class of
Medan Medan (; English: ) is the capital and largest city of the Indonesian province of North Sumatra, as well as a regional hub and financial centre of Sumatra. According to the National Development Planning Agency, Medan is one of the four main ...
were immigrants from other parts of Sumatra and Java, while ethnic minorities like the autochthonous Malays and
Simalungun Simalungun Regency is a regency in North Sumatra, Indonesia. Its seat was formerly at Pematangsiantar, but this city was in recent years separated from the Regency and made into an independent city (''kota''), although it remains geographically ...
s and immigrant Chinese enjoyed privileged positions within the colonial system. In the aftermath of the Japanese surrender and proclamation of Indonesian independence by
Sukarno Sukarno). (; born Koesno Sosrodihardjo, ; 6 June 1901 – 21 June 1970) was an Indonesian statesman, orator, revolutionary, and nationalist who was the first president of Indonesia, serving from 1945 to 1967. Sukarno was the leader of ...
and
Mohammad Hatta Mohammad Hatta (; 12 August 1902 – 14 March 1980) was an Indonesian statesman and nationalist who served as the country's first vice president. Known as "The Proclamator", he and a number of Indonesians, including the first president of Indone ...
in August, 1945, the newly established Republic of Indonesia began to set up offices in East Sumatra. However, Republican officials only had tenuous control over groups of radicalized, pro-independence youths (''pemuda'') who had received training and arms from the Japanese during the war. Frustrated with the moderation of Republican politicians, the ''pemuda'' initiated a "social revolution" in March, 1946, killing much of the Malay and Simalungun aristocracy, sweeping away the former sultanate governments, and raiding the shops and warehouses of wealthy (often Chinese) businessmen. A year later the invading Dutch felt that they could rely on the support of these groups in setting up a new government in East Sumatra that could compete for legitimacy with the Republic. Twelve of the original thirteen members of the committee that formed to demand autonomy for East Sumatra following the Dutch invasion were Malays or Simalunguns.Reid, 274. East Sumatra's first, and only, head of state was Dr. Tengku Mansur, uncle of the former Sultan of Asahan and leader of the prewar Malay organization ''Persatuan Sumatera Timur'' (East Sumatra Association). The new government did not attempt to reinstate the traditional sultanates of the region, but it also made no attempts to hold democratic elections or incorporate "moderates" of other ethnicities into its administration, in spite of constant Dutch pressure to do so. Following the Dutch-Indonesian Round Table Conference in late 1949, the Dutch withdrew military support from the State of East Sumatra and its local authority began to collapse. Dr. Mansur entered into negotiations with Mohammad Hatta to reunify East Sumatra with the Republic of Indonesia in May, 1950. East Sumatra merged with Tapanuli to become the province of
North Sumatra North Sumatra ( id, Sumatra Utara) is a province of Indonesia located on the northern part of the island of Sumatra. Its capital and largest city is Medan. North Sumatra is Indonesia's fourth most populous province after West Java, East Java and ...
on August 15, 1950.


Notable people

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Tengku Mansur Tengku Mansur or Tengku Mansoer (17 January 1897 - 6 October 1953) was the Wali Negara of East Sumatra, as part of the United States of Indonesia. He was also a founding figure and Chairman of Jong Sumatranen Bond (1917-1919). Biography Tengk ...
, wali negara (head of state) *
Tan Tjeng Bie Tan or TAN may refer to: Businesses and organisations * Black and Tans, a nickname for British special constables during the Irish War of Independence. By extension "Tans" can now also colloquially refer to English or British people in general, es ...
, justice minister *
Tengku Saibun The Malay language has a complex system of styles, titles and honorifics which are used extensively in Brunei, Indonesia, Malaysia, Singapore, and the southern Philippines. Brunei, Malaysia, Singapore and several provinces in Indonesia regul ...
, defense minister *
Tengku Muhammad Arifin The Malay language has a complex system of styles, titles and honorifics which are used extensively in Brunei, Indonesia, Malaysia, Singapore, and the southern Philippines. Brunei, Malaysia, Singapore and several provinces in Indonesia regul ...
, home affairs minister *
Tengku Sulung Hibatullah The Malay language has a complex system of styles, titles and honorifics which are used extensively in Brunei, Indonesia, Malaysia, Singapore, and the southern Philippines. Brunei, Malaysia, Singapore and several provinces in Indonesia regul ...
, public works minister *
Nerus Ginting Suka Nerus Ginting Suka (1898 – 12 March 1955) was a member of the People's Representative Council from 1950 until 1955, and the candidate for the Vice President of Indonesia in the 1950 vice presidential election. Nerus was active in the politica ...
, East Indonesian representative in the USI legislature


See also

*
History of Indonesia The history of Indonesia has been shaped by geographic position, its natural resources, a series of human migrations and contacts, wars of conquest, the spread of Islam from the island of Sumatra in the 7th century AD and the establishment of ...
*
Indonesian National Revolution The Indonesian National Revolution, or the Indonesian War of Independence, was an armed conflict and diplomatic struggle between the Republic of Indonesia and the Dutch Empire and an internal social revolution during Aftermath of WWII, postw ...
*
Indonesian regions This is a list of some of the regions of Indonesia. Many regions are defined in law or regulations by the central government. At different times of Indonesia's history, the nation has been designated as having regions that do not necessarily corr ...


Notes


References

* * * * * * {{DEFAULTSORT:United States Of Indonesia 1950 disestablishments in Indonesia Indonesian National Revolution States and territories established in 1949 States and territories disestablished in 1950 1947 establishments in Indonesia 1949 disestablishments in Indonesia