Laos–Thailand Relations
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Laos Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...
and
Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...
have had bilateral relations since the time of their precursor
Lan Xang Lan Xang () or Lancang was a Lao people, Lao kingdom that held the area of present-day Laos from 1353 to 1707. For three and a half centuries, Lan Xang was one of the largest kingdoms in Southeast Asia. The kingdom is the basis for Laos's nat ...
and
Ayutthaya Ayutthaya, Ayudhya, or Ayuthia may refer to: * Ayutthaya Kingdom, a Thai kingdom that existed from 1350 to 1767 ** Ayutthaya Historical Park, the ruins of the old capital city of the Ayutthaya Kingdom * Phra Nakhon Si Ayutthaya province (locall ...
kingdoms in the 15th century. The two countries share a border and express linguistic and cultural similarities. The Lao kingdom of Lan Xang included all of northeastern Thailand as recently as the early 18th century. Thailand's northeastern region,
Isan Northeast Thailand or Isan (Isan language, Isan/, ; ; also written as Isaan, Isarn, Issarn, Issan, Esan, or Esarn; from Pāli ''isāna'' or Sanskrit ईशान्य ''īśānya'' "northeast") consists of 20 provinces in northeastern Thai ...
, has particularly strong Lao roots. Linguistically, the inhabitants of Isan, a third of the Thai population, speak the
Isan language Isan or Northeastern Thai (Endonym and exonym, autonym: /, ; , ) refers to the local development of the Lao language in Thailand, after the political split of the Lao-speaking world at the Mekong River at the conclusion of the Franco-Siamese c ...
, a Lao dialect. Diplomacy has concentrated on the
Mekong River The Mekong or Mekong River ( , ) is a transboundary river in East Asia and Southeast Asia. It is the world's List of rivers by length, twelfth-longest river and List of longest rivers of Asia, the third-longest in Asia with an estimated l ...
, seeking to make it a "river of true peace and friendship", as made explicit in statements by both respective prime ministers in 1976.Brown, MacAlister, and Joseph J. Zasloff. "Relations with Thailand"
''Laos: a country study''
(Andrea Matles Savada, ed).
Library of Congress The Library of Congress (LOC) is a research library in Washington, D.C., serving as the library and research service for the United States Congress and the ''de facto'' national library of the United States. It also administers Copyright law o ...
Federal Research Division The Federal Research Division (FRD) is the research and analysis unit of the United States Library of Congress. The Federal Research Division provides directed research and analysis on domestic and international subjects to agencies of the Unite ...
(July 1994).
Diplomatic relations between the modern states were established in 1950, but cross-border cooperation began at the end of the
Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...
.


History


1867-1980

France and Siam signed a treaty on 15 July 1867, the territorial disputes of Indochinese peninsula for the expansion of
French Indochina French Indochina (previously spelled as French Indo-China), officially known as the Indochinese Union and after 1941 as the Indochinese Federation, was a group of French dependent territories in Southeast Asia from 1887 to 1954. It was initial ...
which led the Incident of Rattanakosin Era 112. The Siamese agreed to cede
Laos Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...
to
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
on 3 October 1893 as part of French Indochina with the Treaty of Peace and Convention in Bangkok, which was ratified on February 2, 1894. The treaty established the Mekong as the frontier between the two countries between the French explorer Auguste Pavie and King Rama V of Siam. During
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, Laos was invaded and controlled by
Vichy France Vichy France (; 10 July 1940 – 9 August 1944), officially the French State ('), was a French rump state headed by Marshal Philippe Pétain during World War II, established as a result of the French capitulation after the Battle of France, ...
,
Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...
,
Imperial Japan The Empire of Japan, also known as the Japanese Empire or Imperial Japan, was the Japanese nation state that existed from the Meiji Restoration on January 3, 1868, until the Constitution of Japan took effect on May 3, 1947. From Japan–Kor ...
and
Free France Free France () was a resistance government claiming to be the legitimate government of France following the dissolution of the Third French Republic, Third Republic during World War II. Led by General , Free France was established as a gover ...
which led the Surrender of Japan in French Indochina following the two Atomic bombs of Hiroshima and Nagasaki in August 1945. Laos obtained independence in 1949 and has completed independence from France in 1953.
Kaysone Phomvihane Kaysone Phomvihane (''Kraisorn Brahmavihara;'' , ; 13 December 1920 – 21 November 1992) was the first General Secretary of the Lao People's Revolutionary Party, leader of the Communist Lao People's Revolutionary Party from 1955 until his de ...
, the leader of
Lao People's Revolutionary Party The Lao People's Revolutionary Party (LPRP) is the founding and One-party state, sole ruling party of the Laos, Lao People's Democratic Republic. The party's monopoly on state power is guaranteed by Article 3 of the Constitution of Laos, and it ...
joined
Pathet Lao The Pathet Lao (), officially the Lao People's Liberation Army, was a communist political movement and political organization, organization in Laos, formed in the mid-20th century. The group ultimately gained control over the entire country of ...
as of Marxist-Leninist movement. Laotian communists on the orders of
Chairman Mao Mao Zedong pronounced ; traditionally Romanization of Chinese, romanised as Mao Tse-tung. (26December 18939September 1976) was a Chinese politician, revolutionary, and political theorist who founded the People's Republic of China (PRC) in ...
and the
People's Liberation Army The People's Liberation Army (PLA) is the military of the Chinese Communist Party (CCP) and the People's Republic of China (PRC). It consists of four Military branch, services—People's Liberation Army Ground Force, Ground Force, People's ...
to overthrow King Sisavang Vatthana and the Royal Family of Laos which is until the fall of
Vientiane Vientiane (, ) is the capital city, capital and largest city of Laos. Situated on the banks of the Mekong, Mekong River at the Thailand, Thai border, it comprises the five urban districts of Vientiane Prefecture and had a population of 840,000 ...
during the
Laotian Civil War The Laotian Civil War was waged between the Communist Pathet Lao and the Royal Lao Government from 23 May 1959 to 2 December 1975. The Kingdom of Laos was a covert Theatre (warfare), theater during the Vietnam War with both sides receiving heavy ...
on 2 December 1975 as the
Royal Lao Army The Royal Lao Army (; – ARL), also designated by its anglicized title RLA, was the land component of the Royal Lao Armed Forces (FAR), the official military of the Kingdom of Laos during the North Vietnamese invasion of Laos and the Laotian C ...
surrendered to Pathet Lao after long years of civil war defeating the American imperialism. In 1975, following the proclamation of
Lao People's Democratic Republic Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west an ...
, the Royal Lao Government disbanded as the country became
one-party A one-party state, single-party state, one-party system or single-party system is a governance structure in which only a single political party controls the ruling system. In a one-party state, all opposition parties are either outlawed or en ...
Marxist–Leninist state A communist state, also known as a Marxist–Leninist state, is a one-party state in which the totality of the power belongs to a party adhering to some form of Marxism–Leninism, a branch of the communist ideology. Marxism–Leninism was ...
, behind
Maoist Maoism, officially Mao Zedong Thought, is a variety of Marxism–Leninism that Mao Zedong developed while trying to realize a socialist revolution in the agricultural, pre-industrial society of the Republic of China (1912–1949), Republic o ...
government backings of the
PRC China, officially the People's Republic of China (PRC), is a country in East Asia. With a population exceeding 1.4 billion, it is the second-most populous country after India, representing 17.4% of the world population. China spans the e ...
had re-established relations a complex relationship with Laos that includes economic, political, and military cooperation after the death of Mao Zedong in September 1976. Both Thailand and Laos try to avoid each other, other than to keep open communication for economic and environmental reasons. The royals were taken to re-education camp called ''Camp Number One'' in
Xam Neua Xam Neua (, , sometimes transcribed as ''Sam Nuea'' or ''Samneua'', literally 'northern swamp'; ), is the capital of Houaphanh Province, Laos. History After fleeing from Phrae, deposed king Phiriya Thepphawong escaped from Northern Thailand to ...
where they are forced to do hard labor which led the King in 1980, the queen Khamphoui in 1982 and Vatthana all died of starvation in the camp. Thailand sealed its long river border with Laos in 1980.


1980-

In 1980, a minor incident involving live fire between patrol boats led
Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...
to close its border with
Laos Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...
. More significant border disputes and military clashes followed in 1984 and 1987 in Sainyabuli Province. These conflicts originated in rival claims to forest resources based on maps from the early days of the French
protectorate A protectorate, in the context of international relations, is a State (polity), state that is under protection by another state for defence against aggression and other violations of law. It is a dependent territory that enjoys autonomy over ...
. In 1988, Thai prime minister
Chatichai Choonhavan Chatichai Choonhavan (; , ; 5 April 1920 – 6 May 1998) was a Thai army officer, diplomat and politician. From 1986 to 1991, he was the chairman of the Thai Nation Party and served as the Prime Minister of Thailand from August 1988 until the 1 ...
opened the
Indochina Mainland Southeast Asia (historically known as Indochina and the Indochinese Peninsula) is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to th ...
market, leading to a wave of goodwill gestures and business ventures between Laos and Thailand. Kaysone Phomvihan paid an official visit to Bangkok in 1989, his first since the brief 1979 rapprochement with Prime Minister General Kriangsak Chomanand. These gestures were followed by official visits from Princess
Sirindhorn Maha Chakri Sirindhorn, Princess Royal () (born 2 April 1955) is a member of the Thai royal family. She is the second daughter of King Bhumibol Adulyadej and Queen Sirikit, and the younger sister of King Vajiralongkorn. Early life Birth S ...
in March 1990 and Crown Prince
Maha Vajiralongkorn Vajiralongkorn (born 28 July 1952) is King of Thailand. He is the tenth Thai monarch of the Chakri dynasty since ascending the throne in 2016 with the regnal name Rama X. The only son of King Bhumibol Adulyadej (Rama IX) and Queen Sirik ...
in June 1992. As another gesture of goodwill in 1992 the
Politburo A politburo () or political bureau is the highest organ of the central committee in communist parties. The term is also sometimes used to refer to similar organs in socialist and Islamist parties, such as the UK Labour Party's NEC or the Poli ...
removed from power military commander Army Chief of Staff General
Sisavath Keobounphanh Sisavath Keobounphanh ( Lao: ສີສະຫວາດ ແກ້ວບຸນພັນ; 1 May 1928 – 12 May 2020) was Vice President of Laos from 1996 to 1998 and third Chairman of the Council of Ministers (Prime Minister) of Laos from 1998 to 20 ...
. While Keobounphanh had dealt closely and effectively with the Thai military command in restoring neighborly relations, his party colleagues accused him of personal corruption. This corruption of a senior party leader symbolized the fear among some Laotian leaders that the more prosperous Thais, "want to eat us". Two political issues between Laos and Thailand delayed rapprochement during the 1980s. One was an influx of Laotian migrants and refugees, whom Thailand saw as undesirable minority groups and refused to accept as immigrants. A related issue stemmed from the presence of Laotian and
Hmong Hmong may refer to: * Hmong people, an ethnic group living mainly in Southwest China, Vietnam, Laos, and Thailand * Hmong cuisine * Hmong customs and culture ** Hmong music ** Hmong textile art * Hmong language, a continuum of closely related ...
resistance groups using migrant camps as bases. The Hmong constituted approximately half of those living in the camps and tended to face lower chances of deportation, in part due to fear of reprisal and hope for national autonomy. Thailand officially announced its stance in July 1992. However, Laotian refugees who had not returned home or found third-country resettlement by 1995 would be classified as illegal immigrants and face deportation. Lao and Hmong resistance movements have persisted since 1975, but with the end of the
Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...
, attempts to disrupt the LPDR and its
Vietnamese Vietnamese may refer to: * Something of, from, or related to Vietnam, a country in Southeast Asia * Vietnamese people, or Kinh people, a Southeast Asian ethnic group native to Vietnam ** Overseas Vietnamese, Vietnamese people living outside Vietna ...
military partners dwindled. The Ministry of Foreign Affairs continued to press the Thai military command to live up to its March 1991 agreement to disarm rebels and discourage Laotian sabotage operations. At the same time, Thailand made very clear its unwillingness to assimilate the Hmong refugees. The threat of a return of Vietnamese troops cautioned the Thai military, who preferred keeping Laos as a buffer state rather than a military line of contact with the Vietnamese. The Friendship Bridge could open the interior to more foreign trucking and commerce and make any foreign military presence in Laos more apparent. In December 2009, Thai soldiers evicted more than 4,000 Hmong asylum seekers from a holding center and deported them to Laos. This action was criticized by
Human Rights Watch Human Rights Watch (HRW) is an international non-governmental organization that conducts research and advocacy on human rights. Headquartered in New York City, the group investigates and reports on issues including War crime, war crimes, crim ...
and the
US State Department The United States Department of State (DOS), or simply the State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs o ...
. Despite their shared cuisine, language and border, scholars have noted that anti-communist ideology after the 1950s encouraged the idea of "
Thainess Thainess, or the Thai identity (, ), is a conceptual identity regarding the quality of being Thai: characteristics seen as distinctive to the Thai people, Thai culture, and those belonging to Thailand as a whole. It forms the central identity upon ...
", and a persistent belief in Thai superiority, leading "the population of central and southern Thailand olook to their northern borders with contempt". Thamrongsak Petchlertanan, a historian at
Rangsit University Rangsit University (RSU; Thai: มหาวิทยาลัยรังสิต) is a private university in Pathum Thani, Thailand, focusing mainly on music, design, Information technology, and public health including independent professions. ...
, claimed that the notion of Thai superiority is rooted in decades of nationalist education in Thai schools. The destruction of
Vientiane Vientiane (, ) is the capital city, capital and largest city of Laos. Situated on the banks of the Mekong, Mekong River at the Thailand, Thai border, it comprises the five urban districts of Vientiane Prefecture and had a population of 840,000 ...
by the Siamese army in 1778, for instance, is part of this narrative and has been proudly recounted to generations of Thai children.


Anti-Thai sentiment in Laos

Relations between Laos and Thailand have been characterized by tension. Since ancient times, Laos opposed Siamese territorial expansion. Laotian surrogate rulers requested French colonial authorities of
French Indochina French Indochina (previously spelled as French Indo-China), officially known as the Indochinese Union and after 1941 as the Indochinese Federation, was a group of French dependent territories in Southeast Asia from 1887 to 1954. It was initial ...
to ask France to reclaim lost Lao territory on the
Khorat Plateau The Khorat Plateau (; ) is a plateau in the northeastern Thai region of Isan. The plateau forms a natural region, named after the short form of Nakhon Ratchasima, a historical barrier controlling access to and from the area. Geography The avera ...
and to reclaim the
Emerald Buddha The Emerald Buddha ( , or , ) is an image of the meditating Gautama Buddha seated in a Meditation attitude, meditative posture, made of a semi-precious green stone (jasper rather than emerald or jade), clothed in gold, and about tall. The imag ...
from Siam. After achieving independence under a Communist rule, the present Laotian government has been pro-Vietnam. Thailand's influence is suspect in the views of the pro-socialist Laotian community.


Mutual assistance

In 2012, the Thai government agreed to provide loan assistance to Laos for two infrastructure projects. The first loan of more than 718 million
baht The baht (; , ; currency sign, sign: ฿; ISO 4217, code: THB) is the official currency of Thailand. It is divided into 100 ''satang'' (, ). Prior to decimalisation, the baht was divided into eight ''fueang'' (, ), each of eight ''at'' (, ). The ...
funded the construction of a road, that would be built from Phudu checkpoint in Thailand's Uttaradit Province to Parklai District in Sainyabuli Province, Laos. The second loan of more than 84 million Thai baht funded the second phase of development of Pakse Airport in
Champasak Province Champasak (or Champassak, Champasack – Laotian language, Lao: ຈຳປາສັກ ) is a province in southwestern Laos, near the borders with Thailand and Cambodia. It is 1 of the 3 principalities that succeeded the Laos, Lao kingdom of Lan ...
. In October 2011, the Lao government presented 1.5 million baht to the Thai government as a gesture of solidarity with the victims of flooding in Thailand's central region.


State visits

Thai Prime Minister
Abhisit Vejjajiva Abhisit Vejjajiva (; , , ; born 3 August 1964) is a Thai politician who was the 27th prime minister of Thailand from 2008 to 2011. He was the leader of the Democrat Party from 2005 until he resigned following the party's weak performance in t ...
visited Laos in December 2010 as part of the 60 year anniversary of relations between the two countries. He stated that it was "Thai government's policy to encourage the private sector and state enterprises to invest in Lao PDR while enhancing corporate social responsibility, which renders benefits to local communities and protects the environment at the same time". On 31 May 2012, Lao Prime Minister
Thongsing Thammavong Thongsing Thammavong ( Lao: ທອງສິງ ທຳມະວົງ; born 12 April 1944) is a Laotian politician who was the Prime Minister of Laos from 2010 to 2016. He is a member of the Lao People's Revolutionary Party (LPRP) and has been a ...
visited his Thai counterpart,
Yingluck Shinawatra Yingluck Shinawatra (, , ; born 21 June 1967) is a Thai businesswoman, politician and a member of the Pheu Thai Party who was the 28th prime minister of Thailand from 2011 to 2014. Yingluck was Thailand's first female prime minister and its yo ...
.


Economic relations

Much of the Lao hydropower generated from dams on the Mekong and its tributaries has been exported to Thailand, which has benefited from the hydropower in developing its poorer areas, especially in Thailand's northeast. Selling hydropower has brought in significant
foreign exchange The foreign exchange market (forex, FX, or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. By trading volume, it i ...
to Laos.


See also

*
France–Thailand relations Diplomatic relations with France and Thailand cover a period from the 16th century until modern times. Relations started in earnest during the reign of Louis XIV of France with numerous reciprocal embassies and a major attempt by France to Christi ...
* Anti-Thai sentiment *
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 mi) in length, over half of which follows the Mekong River, and runs from the tripoint with Myanmar in the north ...
*
Thaification Thaification, or Thai-ization, is the process by which people of different cultural and ethnic origins living in Thailand become assimilated to the country's dominant culture:, that of central Thailand. Thaification was a step in the creation ...
*
China–Thailand relations China–Thailand relations officially started in July 1975 after years of negotiations. For a long time, Thailand, formerly called Siam, had good relations with China. China was usually greatly respected in Siam and ensured the alliance of both co ...


References


Further reading


International Boundary Study No. 20 – September 18, 1962 Laos – Thailand Boundary
{{DEFAULTSORT:Laos-Thailand relations
Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...
Bilateral relations of Thailand