Laos–Thailand border

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Map of the Laos-Thailand border

The Laos–Thailand border is the international border between the territory of Laos and Thailand. The border is 1,845 km (1,146 m) in length, over half of which follows the Mekong River, and runs from the tripoint with Myanmar in the north to tripoint with Cambodia in the south.[1]

Description[]

The border starts in the north at the tripoint with Myanmar at the confluence of the Kok and Mekong rivers, following the latter towards the south-east.[2] It then leaves the river and proceeds overland in a broadly southwards direction over various hill ridges, down to the Hueang River. It then follows this river to the north-east up to the confluence with the Mekong, from where it follows the Mekong for the majority of the border's length. Just north-west of Pakse the border leaves the Mekong and then follows the ridge of the Dângrêk Mountains south the tripoint with Cambodia.[2]

History[]

A pillar marking the border

From the 1860s France began establishing a presence in the region, initially in modern Cambodia and Vietnam, and the colony of French Indochina was created in 1887.[2] The Lao kingdoms were at this point tributary states of the Kingdom of Siam (the old name for Thailand), however all areas east of the Mekong were annexed to French Indochina in 1893 following the Franco-Siamese War.[2][3][4] In 1902 Siam was forced to cede areas west of the Mekong to France, encompassing the modern province of Sainyabuli and the western half of Champasak Province.[2][4] More land was ceded in another treaty in 1904, and again in 1907.[2][4] A minor treaty in 1926 cleared up the outstanding issue of sovereignty over islets in the Mekong.[2] Following Japan’s invasion of French Indochina in 1940 the ceded areas west of the Mekong and south-western Laos were returned to Thailand, however this arrangement was annulled following Japan's defeat and the pre-war border reinstated.[2]

Laos obtained a partial independence from France in 1949, gaining complete independence in 1953, with the boundary then becoming one between two sovereign states. Thailand occasionally made claims on the territories ceded to Laos curing the colonial era, with tensions rising following the victory of the Communist Pathet Lao in the Laotian Civil War in 1975.[4] Friendship treaties were signed in 1976 and 1979 in attempt to calm tensions, with both sides recognising the territorial integrity of the other.[4][5] However fighting broke out in 1984 over disputed villages adjacent to the frontier in Sainyabuli Province/Uttaradit Province, and again in 1987–88 over a nearby area.[4] A joint committee was established in 1991 which aimed to resolved the dispute peacefully, however discussions dragged on throughout the decade.[4] A joint boundary commission was established in 1997, however its work was suspended in 1998 following the Asian financial crisis.[4] As of 2018 border demarcation is still ongoing.[6][7]

Border crossings[]

The Thai-Lao Friendship bridge

As Laos drives on the right and Thailand on the left, crossings between the two countries require changing from one side of the road to the other. There are several border crossings:[8]

See also[]

References[]

  1. ^ "Laos". CIA World Factbook. Retrieved 19 September 2020.
  2. ^ a b c d e f g h "International Boundary Study No. 20 – Laos – Thailand Boundary" (PDF). US Department of State. 18 September 1962. Retrieved 19 September 2020.
  3. ^ Stuart-Fox, Martin (1997). A History of Laos. Cambridge University Press. pp. 24–25. ISBN 0-521-59746-3.
  4. ^ a b c d e f g h St John, Ronald Bruce. "The Land Boundaries of Indochina: Cambodia, Laos and Vietnam" (PDF). International Boundaries Research Unit, Department of Geography, University of Durham. Retrieved 17 September 2020.
  5. ^ Brown, MacAlister, and Joseph J. Zasloff. "Relations with Thailand". Laos: a country study (Andrea Matles Savada, ed). Library of Congress Federal Research Division (July 1994)
  6. ^ "More than 200 markers installed along Laos-Thailand border". UTCC. 22 January 2018. Retrieved 19 September 2020.
  7. ^ "Laos, Thailand move forward with border demarcation". The Nation. 26 January 2015. Retrieved 19 September 2020.
  8. ^ "Crossing the border". Travelographie. Retrieved 19 September 2020.
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