Thailand in World War II
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Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...
officially adopted a neutral position during World War II until the five hour-long
Japanese invasion of Thailand The Japanese invasion of Thailand ( th, การบุกครองไทยของญี่ปุ่น, ; ja, 日本軍のタイ進駐 , Nihongun no Tai shinchū) occurred on 8 December 1941. It was briefly fought between the Kingdo ...
on 8 December 1941, which led to an armistice and military alliance treaty between
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...
and the
Japanese Empire The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent forma ...
in mid-December 1941. At the start of the
Pacific War The Pacific War, sometimes called the Asia–Pacific War, was the theater of World War II that was fought in Asia, the Pacific Ocean, the Indian Ocean, and Oceania. It was geographically the largest theater of the war, including the vas ...
, the Japanese Empire pressured the Thai government to allow the passage of Japanese troops to invade British-held Malaya and
Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
. After the invasion, Thailand capitulated. The Thai government under
Plaek Phibunsongkhram Field Marshal Plaek Phibunsongkhram ( th, แปลก พิบูลสงคราม ; alternatively transcribed as ''Pibulsongkram'' or ''Pibulsonggram''; 14 July 1897 – 11 June 1964), locally known as Marshal P. ( th, จอมพล ...
(known simply as Phibun) considered it profitable to co-operate with the Japanese war efforts, since Thailand saw Japan – who promised to help Thailand regain some of the Indochinese territories (in today's
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist s ...
,
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand ...
, and
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making ...
) which had been lost to France – as an ally against Western imperialism. Following added pressure from the start of the Allied bombings of Bangkok due to the Japanese occupation, Axis-aligned Thailand declared war on the United Kingdom and the United States and annexed territories in neighbouring countries, expanding to the north, south, and east, gaining a border with
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
near
Kengtung th , เชียงตุง , other_name = Kyaingtong , settlement_type = Town , imagesize = , image_caption = , pushpin_map = Myanmar , pushpin_label_position = left , ...
. After becoming an ally of the Empire of Japan, Thailand retained control of its armed forces and internal affairs. The Japanese policy on Thailand differed from their relationship with the puppet state of
Manchukuo Manchukuo, officially the State of Manchuria prior to 1934 and the Empire of (Great) Manchuria after 1934, was a puppet state of the Empire of Japan in Manchuria from 1932 until 1945. It was founded as a republic in 1932 after the Japanese ...
. Japan intended bilateral relationships similar to those between
Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...
and
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bot ...
,
Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...
and
Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
.E. Bruce Reynolds (1994). ''Thailand and Japan's Southern Advance 1940–1945''. St. Martin's Press. . However, Thailand at that time was labelled by both the Japanese and the
Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
as the "
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
of Asia" or "Oriental Italy", a secondary power. Meanwhile, the Thai government had split into two factions: the Phibun regime and the Free Thai Movement, a well-organised, pro-Allied resistance movement that eventually numbered around 90,000 Thai guerrillas, supported by government officials allied to the regent
Pridi Banomyong Pridi Banomyong ( th, ปรีดี พนมยงค์, , ; 11 May 1900 – 2 May 1983), also known by his noble title Luang Praditmanutham ( th, หลวงประดิษฐ์มนูธรรม) was a Thai politician and professo ...
. The movement was active from 1942, resisting the Phibun regime and the Japanese. The partisans provided espionage services to the Allies, performed some sabotage activities, and helped engineer Phibun's downfall in 1944. After the war, Thailand returned the annexed territories but received little punishment for its wartime role under Phibun. Thailand suffered around 5,569 military deaths during the war, almost entirely due to disease. Deaths in combat included 150 in the Shan States, 180 on 8 December 1941 (the day of both the brief Japanese invasion and the failed British assault on the Ledge), and 100 during the brief Franco-Thai War.Sorasanya Phaengspha (2002). ''The Indochina War: Thailand Fights France''. Sarakadee Press.


History


Background

Thailand, formerly known as Siam, was at the time one of few independent countries in Asia. However, the country was also struggling to modernize. Under absolute monarchy, the government was plagued by incompetence. Government service was lacking, poverty was high and even government officials were plagued with glass ceilings. Thai culture was rooted in the idea that the country belonged to the monarch. Absolute monarchy was only ended by a
bloodless coup A nonviolent revolution is a revolution conducted primarily by unarmed civilians using tactics of civil resistance, including various forms of nonviolent protest, to bring about the departure of governments seen as entrenched and authoritarian ...
carried out by the People's Party on 24 June 1932, and Thailand was still struggling to set up a modern government. The civilian government set up by the People's Party was embroiled in conflict with old conservative factions, and the new system of democracy was short lived. In April 1933, the first prime minister
Phraya Manopakorn Nititada Phraya Manopakorn Nitithada ( th, พระยามโนปกรณ์นิติธาดา; ; born Kon Hutasingha ( th, ก้อน หุตะสิงห์; ); 15 July 1884 – 1 October 1948) was the first Prime Minister of Siam ...
dissolved the parliament and suspended the judiciary in a coup. His government then began to adopt more monarchist and conservative policies. It was in this era that Thailand saw its first anti-communist legislation passed, which would later be used by various governments to silence political opponents. The generals of the People's Party launched a second coup in June to regain power. This new government headed by Phraya Phahon would attempt to carry out elections and follow the constitution. His government would also see a civil war that killed 17 members of the government force and an unknown amount of rebel forces. The end of this conflict saw the military promote themselves as the protector of democracy. Under the Phraya Phahon government, the parliament saw its first elected representatives, lasted its entire four-year term, and was succeeded by another elected parliament. Prime Minister Phraya Phahon left office on 13 December 1938, citing that the military should not be running the country and his health problems. He was succeeded by Field Marshal
Plaek Phibunsongkhram Field Marshal Plaek Phibunsongkhram ( th, แปลก พิบูลสงคราม ; alternatively transcribed as ''Pibulsongkram'' or ''Pibulsonggram''; 14 July 1897 – 11 June 1964), locally known as Marshal P. ( th, จอมพล ...
. Under Phibun, Thailand saw a decline in democracy.


Military dictatorship

Prior to Phibun's premiership, the Thai military led by Phibun as defence minister, and the civilian liberals led by
Pridi Banomyong Pridi Banomyong ( th, ปรีดี พนมยงค์, , ; 11 May 1900 – 2 May 1983), also known by his noble title Luang Praditmanutham ( th, หลวงประดิษฐ์มนูธรรม) was a Thai politician and professo ...
as foreign minister, worked together harmoniously for several years, but when Phibun became prime minister in December 1938 this co-operation broke down, and military domination became more overt. His regime soon developed some
fascist Fascism is a far-right, authoritarian, ultra-nationalist political ideology and movement,: "extreme militaristic nationalism, contempt for electoral democracy and political and cultural liberalism, a belief in natural social hierarchy and the ...
characteristics. In early 1939 forty political opponents, both monarchists and democrats, were arrested, and after rigged trials eighteen were executed, the first political executions in Siam in over a century. Many others, among them Prince Damrong and
Phraya Songsuradej Colonel Thep Phanthumsen ( th, เทพ พันธุมเสน; 12 August 1892 – 1 June 1944), better known by the noble title Phraya Songsuradet (), was a Thai military officer and member of the People's Party. As a cadet he studied at ...
, were exiled. Phibun launched a demagogic campaign against the Chinese business class. Chinese schools and newspapers were closed, and taxes on Chinese businesses increased. Phibun and
Luang Wichitwathakan Major-General Luang Wichitwathakan (also known as just Wichit Wichitwathakan) ( Thai หลวงวิจิตรวาทการ, วิจิตร วิจิตรวาทการ; Chinese 金良) (11 August 189831 March 1962) was a ...
, the government's ideological spokesman, copied the propaganda techniques used by
Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Nazi Germany, Germany from 1933 until Death of Adolf Hitler, his death in 1945. Adolf Hitler's rise to power, He rose to power as the le ...
and Mussolini to build up the cult of the leader. Aware of the power of
mass media Mass media refers to a diverse array of media technologies that reach a large audience via mass communication. The technologies through which this communication takes place include a variety of outlets. Broadcast media transmit informati ...
, they used the government's monopoly on radio broadcasting to shape popular support for the regime. Popular government slogans were constantly aired on the radio and plastered on newspapers and billboards. Phibun's picture was also to be seen everywhere in society, while portraits of the ex-monarch King
Prajadhipok Prajadhipok ( th, ประชาธิปก, RTGS: ''Prachathipok'', 8 November 1893 – 30 May 1941), also Rama VII, was the seventh monarch of Siam of the Chakri dynasty. His reign was a turbulent time for Siam due to political and ...
, an outspoken critic of the autocratic regime, were banned. At the same time Phibun passed a number of authoritarian laws which gave the government the power of almost unlimited arrest and complete press censorship. During the Second World War, newspapers were instructed to print only good news emanating from Axis sources, while sarcastic comments about the internal situation were banned. On 23 June 1939,Thailand (Siam) History
, CSMngt-Thai.
Phibun changed the country's name from Siam to Thai (Thai: ไทย), or Thailand, said to mean "land of the free". This was directed against the ethnic diversity in the country (Malay, Chinese, Lao, Shan, etc.) and is based on the idea of a "Thai race", a Pan-Thai nationalism whose policy is the integration of the Shan, the Lao and other
Tai peoples Tai peoples are the populations who speak (or formerly spoke) the Tai languages. There are a total of about 93 million people of Tai ancestry worldwide, with the largest ethnic groups being Dai, Thais, Isan, Tai Yai (Shan), Lao, Tai Ahom, a ...
, such as
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making ...
, Burma and South China, into a "Great Kingdom of Thailand" ( th, มหาอาณาจักรไทย) Modernisation was also an important theme in Phibun's new Thai nationalism. From 1939 to 1942 he issued a set of twelve Cultural Mandates. In addition to requiring that all Thais salute the
flag A flag is a piece of fabric (most often rectangular or quadrilateral) with a distinctive design and colours. It is used as a symbol, a signalling device, or for decoration. The term ''flag'' is also used to refer to the graphic design empl ...
, sing the
national anthem A national anthem is a patriotic musical composition symbolizing and evoking eulogies of the history and traditions of a country or nation. The majority of national anthems are marches or hymns in style. American, Central Asian, and Europea ...
, and speak the national language, the mandates also encouraged Thais to work hard, stay informed on current events, and to dress in a Western fashion. The mandates caused performances of
traditional Thai music The music of Thailand reflects its geographic position at the intersection of China and India, and reflects trade routes that have historically included Africa, Greece and Rome. Traditional Thai musical instruments are varied and reflect ancien ...
, dance, theatre and culture to be abolished, and changed into Western style. Meanwhile, all cinemas were instructed to display Phibun's picture at the end of every performance as if it were the king's portrait, and the audience were expected to rise and bow. Phibun also called himself ''Than phu nam'' ( th, ท่านผู้นำ) ("the leader"), in a bid to create a personality cult.


Thai Invasion of French-Indochina (1940–1941)

At the start of World War II, Plaek Phibunsongkhram shared many of his countrymen's admiration of fascism and the rapid pace of national development it seemed to afford. Consequently, Phibun cultivated and intensified militarism and nationalism while simultaneously building a cult of personality using modern propaganda techniques. The regime also revived irredentist claims, stirring up anti-French sentiment and supporting restoration of former Thai territories in
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand ...
and
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist s ...
. Seeking support against
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
, Phibun cultivated closer relations with
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...
. Faced with American opposition and British hesitancy, Thailand looked to Japan for help in the confrontation with
French Indochina French Indochina (previously spelled as French Indo-China),; vi, Đông Dương thuộc Pháp, , lit. 'East Ocean under French Control; km, ឥណ្ឌូចិនបារាំង, ; th, อินโดจีนฝรั่งเศส, ...
.Richard J. Aldrich (1993) ''The Key to the South''. Oxford University Press. Although the Thais were united in their demand for the return of the lost provinces, Phibun's enthusiasm for the Japanese was markedly greater than that of
Pridi Banomyong Pridi Banomyong ( th, ปรีดี พนมยงค์, , ; 11 May 1900 – 2 May 1983), also known by his noble title Luang Praditmanutham ( th, หลวงประดิษฐ์มนูธรรม) was a Thai politician and professo ...
, and many old conservatives as well viewed the course of the prime minister's foreign policy with misgivings.


Franco-Thai War (1940–1941)

In October 1940, the Franco-Thai War broke out. The war was a sporadic battle between Thai and French forces along Thailand's eastern frontier and culminated in an invasion of
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist s ...
and
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand ...
in January 1941. The Royal Thai Armed Forces were successful in occupying the disputed territories in
French Indochina French Indochina (previously spelled as French Indo-China),; vi, Đông Dương thuộc Pháp, , lit. 'East Ocean under French Control; km, ឥណ្ឌូចិនបារាំង, ; th, อินโดจีนฝรั่งเศส, ...
, with the French scoring their only notable victory at sea at the
Battle of Ko Chang The Battle of Ko Chang took place on 17 January 1941 during the Franco-Thai War in which a flotilla of French warships attacked a smaller force of Thai vessels, including a coastal defence ship. The battle resulted in a tactical victory by th ...
. Japan used its influence with
Vichy France Vichy France (french: Régime de Vichy; 10 July 1940 – 9 August 1944), officially the French State ('), was the fascist French state headed by Marshal Philippe Pétain during World War II. Officially independent, but with half of its t ...
to obtain concessions for Thailand. As a result, France agreed in March 1941 to cede 54,000 square kilometres of Laotian territory west of the
Mekong The Mekong or Mekong River is a trans-boundary river in East Asia and Southeast Asia. It is the world's twelfth longest river and the third longest in Asia. Its estimated length is , and it drains an area of , discharging of water annual ...
and most of the Cambodian province of
Battambang Battambang ( km, បាត់ដំបង, UNGEGN: ) is the capital of Battambang Province and the third largest city in Cambodia. Founded in the 11th century by the Khmer Empire, Battambang is the leading rice-producing province of the cou ...
to Thailand, which reinstated the original name of
Phra Tabong Province Phra Tabong Province ( th, พระตะบอง) was a province of Thailand, from the late-18th century until it was ceded to French Indochina in 1907, and again between 1941-1946 after Thailand recaptured it during the Japanese occupation of ...
. The recovery of this lost territory and the regime's apparent victory over a European colonial power greatly enhanced Phibun's reputation. Because Japan wanted to maintain both her working relationship with Vichy and the status quo, the real beneficiaries of the conflict were the Japanese. They were able to expand their influence in both Thailand and Indochina. The Japanese intention was to use Thailand and Indochina as their military base to invade Burma and Malaya in the future. The Thais were forced to accept only a quarter of the territory that they had lost to the French, in addition to having to pay six million
piastres The piastre or piaster () is any of a number of units of currency. The term originates from the Italian for "thin metal plate". The name was applied to Spanish and Hispanic American pieces of eight, or pesos, by Venetian traders in the Levant ...
as a concession to the French. Relations between Japan and Thailand subsequently stressed as a disappointed Phibun switched to courting the British and Americans in the hopes of warding off what he saw as an imminent Japanese invasion.Judith A. Stowe. (1991) ''Siam becomes Thailand: A Story of Intrigue''. University of Hawaii Press.


Adoption of neutrality

After the Franco-Thai War, Phibun compromised with Pridi, and the Thai government adopted a policy of neutrality. Pridi himself sponsored production of a Thai
historical drama film A historical drama (also period drama, costume drama, and period piece) is a work set in a past time period, usually used in the context of film and television. Historical drama includes historical fiction and romances, adventure films, and swa ...
, '' The King of the White Elephant''. The film carried a
propaganda Propaganda is communication that is primarily used to influence or persuade an audience to further an agenda, which may not be objective and may be selectively presenting facts to encourage a particular synthesis or perception, or using loaded ...
message from anti-war interests in Thailand: Thailand should remain neutral, only going to war to defend its sovereignty against foreign invaders.


War comes to Thailand

Phibun and the Thai government were still hesitant to join the Allies or the Japanese. At 23:00 on 7 December, the Japanese presented the Thai government with an ultimatum to allow the Japanese military to enter Thailand. The Thais were given two hours to respond, but the Thai government didn't have any response. On 8 December 1941, less than four hours after the attack on Pearl Harbor Japan invaded Thailand. After several hours of fighting between Thai and Japanese troops, Thailand acceded to Japanese demands for passage through the country for Japanese forces invading
Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
and Malaya. After the expiration of the ultimatum, the Japanese military made landings south of Bangkok and along the Kra Isthmus. After several hours of fighting, the Thai Government arranged a cease fire. Phibun assured the country that the Japanese action was pre-arranged with a sympathetic Thai government. Thailand declared war on the United Kingdom and the United States on 25 January 1942.


Military alliance with Japan (1941–1945)


The war in Malaya

The Japanese military used Thailand, as well as north-eastern coast of Malaya as a stepping stone to invade the Malaya Peninsula. The Royal Thai Police resisted British Commonwealth forces invading Southern Thailand in December 1941 at The Battle for The Ledge, following the Japanese invasion of Malaya. Thailand was rewarded for Phibun's close co-operation with Japan during the early years of war with the return of further territory that had once been under Bangkok's control, namely the four northernmost Malay states after the
Malayan Campaign The Malayan campaign, referred to by Japanese sources as the , was a military campaign fought by Allied and Axis forces in Malaya, from 8 December 1941 – 15 February 1942 during the Second World War. It was dominated by land battles betwe ...
.


Burma Railway

On 21 December 1941, a mutual offensive-defensive alliance pact between the two countries was signed. The agreement, revised on 30 December, gave the Japanese full access to Thai weaponry and to Thai railways, roads, airfields, naval bases, warehouses, communications systems, and barracks. To promote greater military and economic co-operation, Pridi was removed from the cabinet and offered a seat on the politically impotent Regency Council of the absent
king King is the title given to a male monarch in a variety of contexts. The female equivalent is queen regnant, queen, which title is also given to the queen consort, consort of a king. *In the context of prehistory, antiquity and contempora ...
, which he subsequently accepted. Japan meanwhile stationed 150,000 troops on Thai soil and built the famous Burma Railway through Thailand using Asian labourers and Allied
prisoners of war A prisoner of war (POW) is a person who is held captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold prisoners of w ...
, with many dying in process.


Allied bombing of Thailand

Since the Empire of Japan was using the country as a staging area for its invasions of Allied colonies in Southeast Asia, Allied planes began bombing raids on the Thai capital city of Bangkok. With this added pressure, the Phibun Government decided to declare war on the Allies.


Contrast of Thai and Japanese policy

The Thai government declared war on Britain and the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
on 25 January 1942. With Phibun inspired by the Japanese military operation in Malaya and China, Phibun and Luang Wichit Wathakan believe that if Japanese won the war Thailand could gain some territories, finally Phibun re-adopted the previous "Great Thai Kingdom policy", but the Japanese had the idea of Greater East Asia Co-Prosperity Sphere. The Thais, who loathed the idea of being treated on the same level as the two Japanese puppet regimes, (
Manchukuo Manchukuo, officially the State of Manchuria prior to 1934 and the Empire of (Great) Manchuria after 1934, was a puppet state of the Empire of Japan in Manchuria from 1932 until 1945. It was founded as a republic in 1932 after the Japanese ...
and
Wang Jingwei regime The Wang Jingwei regime or the Wang Ching-wei regime is the common name of the Reorganized National Government of the Republic of China ( zh , t = 中華民國國民政府 , p = Zhōnghuá Mínguó Guómín Zhèngfǔ ), the government of the pu ...
) initially resisted, but ultimately the Japanese had their way. Thai resentment on this issue lasted throughout the war, however, and resulted in Phibun refusing to attend the following year's Greater East Asia Conference. Although the Thai ambassador in London delivered Phibun's declaration of war to the British government, the Thai ambassador in
Washington DC ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
, Seni Pramoj, refused to do so. Accordingly, the United States did not declare war on Thailand. With American assistance, Seni, a conservative aristocrat with well established anti-Japanese credentials, organised the Free Thai Movement in the United States, recruiting Thai students to work with the United States
Office of Strategic Services The Office of Strategic Services (OSS) was the intelligence agency of the United States during World War II. The OSS was formed as an agency of the Joint Chiefs of Staff (JCS) to coordinate espionage activities behind enemy lines for all branc ...
(OSS). Seni was able to achieve this because the State Department decided to act as if Seni continued to represent Thailand, enabling him to draw on Thai assets frozen by the United States.


The War in Burma

In addition to the
Japanese conquest of Burma The Japanese invasion of Burma was the opening phase of the Burma campaign in the South-East Asian theatre of World War II, which took place over four years from 1942 to 1945. During the first year of the campaign (December 1941 to mid-1942), ...
, the Thai Phayap Army was permitted to invade the part of the
Shan States The Shan States (1885–1948) were a collection of minor Shan kingdoms called '' muang'' whose rulers bore the title ''saopha'' in British Burma. They were analogous to the princely states of British India. The term "Shan States" was fi ...
and
Karenni States The Karenni States, also known as Red Karen States, was the name formerly given to the states inhabited mainly by the Red Karen, in the area of present-day Kayah State, eastern Burma. They were located south of the Federated Shan States and ...
of
Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
that was
annexed Annexation (Latin ''ad'', to, and ''nexus'', joining), in international law, is the forcible acquisition of one state's territory by another state, usually following military occupation of the territory. It is generally held to be an illegal act ...
as '' Saharat Thai Doem''.


Bangkok floods

In September 1942, there was a long rainy season in Northern, Northeastern and Central regions of Thailand, causing great floods in many provinces, including Bangkok. In Bangkok, the major flooding was recorded as having effects on the city's infrastructure lasting three months. With the floods, many agricultural areas were flooded, especially the rice fields, which caused a serious shortage of rice. The Thai government decided to encourage people to eat noodles instead. ''" Pad Thai,"'' the famous dish, was also introduced at that time. Although the majority of Thais were initially "intoxicated" with Japan's string of brilliant victories in early 1942, by the end of the year there was widespread resentment as a result of arrogant Japanese behaviour and war-induced privation. Even during the early stages of the war there was friction over issues such as the confiscation of Allied property and economic and monetary matters, as well as the treatment of Thailand's ethnic Chinese community. A vicious contest for saw mills and teak forests owned by British companies erupted early on, followed by similar disputes over the control of enemy energy and shipping facilities within the country. Other problems were more severe. For a time Germany continued actively purchasing Thai products, but once shipping difficulties became intractable, Japan became Thailand's sole significant trading partner. Similarly, Thailand had to rely on the Japanese for consumer goods previously imported from Europe and the United States, which Japan was increasingly unable to provide as the war wore on. A shortage of commodities quickly developed, with inflation soaring and standards of living dropping. Worse still, the Japanese had aggressively claimed the right to import goods duty-free, significantly reducing Thai government revenues.


Thai offensive into China

After the Japanese Army seized
Rangoon Yangon ( my, ရန်ကုန်; ; ), formerly spelled as Rangoon, is the capital of the Yangon Region and the largest city of Myanmar (also known as Burma). Yangon served as the capital of Myanmar until 2006, when the military government ...
, British and Chinese troops were forced to withdraw from Burma. On 9 May 1942, the Thai Phayap army crossed the Thai-Burmese border and engaged the Chinese Expeditionary Force. Thais captured many Chinese soldiers, and in 1943 the Phayap Army invasion headed to
Xishuangbanna Xishuangbanna, Sibsongbanna or Sipsong Panna ( Tham: , New Tai Lü script: ; ; th, สิบสองปันนา; lo, ສິບສອງພັນນາ; shn, သိပ်းသွင်ပၼ်းၼႃး; my, စစ်ဆောင် ...
in China, but were driven back by the
Chinese nationalist Chinese nationalism () is a form of nationalism in the People's Republic of China (Mainland China) and the Republic of China on Taiwan which asserts that the Chinese people are a nation and promotes the cultural and national unity of all Chi ...
force. The Thai government feared that Phibun might lose popularity. Consequently, the government spokesman decided to lie to its people. Luang Wichit announced the Phayap Army had captured Xishuangbanna. Thailand also oversaw a military occupation over significant sections in a Burma-China border, west of Yunnan. But despite the official territorial achievements, so-called the "Great Thai Kingdom" was a paper tiger. It was faltering as its economy failed to adapt to the conditions of war, natural disaster (floods) and the Thai capital being bombed by the Allies.


Thai-Japan naval co-operation

The Royal Thai Navy contracted the Japanese Kawasaki Shipbuilding Corporation of Kobe and
Mitsubishi The is a group of autonomous Japanese multinational companies in a variety of industries. Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 ...
to construct coastal defence ships and
submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...
s.


Annexed Territories

The following territories of
Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
,
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist s ...
,
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand ...
and Malaya were annexed by Thailand during World War II. The Thai army would remain in these territories until the end of the war. *'' Saharat Thai Doem'' (Burma), including Mueang Phan District. It did not include, however, the two districts of Möngmaü and Mehsakun of Mawkmai of the southern
Shan States The Shan States (1885–1948) were a collection of minor Shan kingdoms called '' muang'' whose rulers bore the title ''saopha'' in British Burma. They were analogous to the princely states of British India. The term "Shan States" was fi ...
, nor part of Kantarawadi in the
Karenni States The Karenni States, also known as Red Karen States, was the name formerly given to the states inhabited mainly by the Red Karen, in the area of present-day Kayah State, eastern Burma. They were located south of the Federated Shan States and ...
, all east of the Salween River, which although claimed by Thailand, were assigned by the Japanese to their client State of Burma in September 1943.Aung Tun 2009: 203–204, 205–206 *''
Sirat Malai Si Rat Malai ( th, สี่รัฐมาลัย, 'Four Malay States') is a former administrative division of Thailand. It included the four northern states of Kedah, Perlis, Kelantan, and Terengganu in British Malaya annexed by the Axis-a ...
'' (Malaysia), including Saiburi (Kedah State).Aung Tun 2009: 202 * Lan Chang Province (Laos) * Nakhon Champassak Province (Laos and Cambodia) *
Phra Tabong Province Phra Tabong Province ( th, พระตะบอง) was a province of Thailand, from the late-18th century until it was ceded to French Indochina in 1907, and again between 1941-1946 after Thailand recaptured it during the Japanese occupation of ...
(Cambodia) * Phibunsongkhram Province (Cambodia) Following the fall of the Phibun government in August 1944, the new government of
Khuang Aphaiwong Khuang Aphaiwong (also spelled ''Kuang'', ''Abhaiwong'', or ''Abhaiwongse''; th, ควง อภัยวงศ์, ; 17 May 1902 – 15 March 1968), also known by his noble title Luang Kowit-aphaiwong ( th, หลวงโกวิทอ ...
communicated to the British government that it renounced all claims to the Shan states and northern Malaya, and that it would immediately cede the territories to Britain. The Churchill government did not accept the Thai overture, and was prepared to retaliate.Aung Tun 2009: 205 The Thai army evacuated the two Shan states only in August 1945.Seekins 2006: 251 Thailand was still allied with
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...
when the war ended, but the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
proposed a solution. In 1946 Thailand agreed to cede the territories regained during Japanese presence in the country as the price for admission to the
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoni ...
, consequently all wartime claims against Thailand were dropped and the country received a substantial package of US aid. Following this event all the Thai-occupied territories returned to their pre-war status and became again part of the states from which they had been annexed.


Allied offensive


Resistance

In December 1942 an armed confrontation between Japanese troops and Thai villagers and police escalated into a shoot-out in Ratchaburi. Although the Ban Pong incident was promptly and peacefully resolved, it served as "a warning signal that alerted Tokyo to the seriousness of the problems in Thailand". This led to General
Aketo Nakamura was a Japanese lieutenant general during World War II. Early life In 1910 he entered the Imperial Japanese Army Academy. Japanese invasion of French Indochina Nakamura participated in the Japanese invasion of French Indochina in 1940 at the h ...
being sent to command the newly formed Thailand Garrison Army. Nakamura's ability to understand the Thai perspective, combined with his affable personality, significantly helped to improve Thai-Japanese relations. The other Japanese intention was to help defend Thailand, Nakamura expected that it could defend against a possible invasion by the Allies from Burma. This more conciliatory stance occurred at a moment when the tide began to turn against Japan, something which many within the Thai government recognised. Realising that the Allies had seized the initiative in the war, Phibun, well aware of his predicament, distanced himself from the Japanese. In January 1943 he had two of the
Phayap Army Phayap Army ( th, กองทัพพายัพ RTGS: Thap Phayap or Payap, ''northwest'') was the Thai force that invaded the Siamese Shan States (present day Shan State, Myanmar) of Burma on 10 May 1942 during the Burma Campaign of World ...
's divisional commanders arrange the return of a group of Chinese prisoners-of-war as a gesture of friendship designed to open secret negotiations with
Chongqing Chongqing ( or ; ; Sichuanese pronunciation: , Standard Mandarin pronunciation: ), alternately romanized as Chungking (), is a municipality in Southwest China. The official abbreviation of the city, "" (), was approved by the State Co ...
.E Bruce Reynolds. (2005) ''Thailand's Secret War: The Free Thai, OSS, and SOE during World War II''. Cambridge University Press. But the prime minister's star was waning at a much faster rate than he had thought. With the Allies intensifying their bombing raids on Bangkok, public confidence in Phibun, already tested by his idiosyncratic domestic policies, was waning fast. His frequent absence from Bangkok led morale to plummet, while a sudden proclamation that the capital and its inhabitants immediately be moved north to malaria-infested Phetchabun was greeted with near-universal bemusement and discontent. The kingdom's ruling elite was becoming increasingly weary of Phibun, whose intimidation and demotion of dissenters within the government served to further unite his opponents, who were rallying to Pridi. Even the Japanese were becoming disaffected with Phibun. The possibility that a military scheme lay behind Phibun's attempt to relocate the seat of government was not lost on the Japanese. Remote, with the nearest rail connection at
Phitsanulok Phitsanulok ( th, พิษณุโลก, ) is an important, historic city in lower northern Thailand and is the capital of Phitsanulok Province. Phitsanulok is home to Naresuan University and Pibulsongkram Rajabhat University, as well a ...
, a half-day's drive away, Phetchabun's main asset was its suitability as a mountainous fortress. Moreover, the site was in an area where the majority of the Thai army was based. Coinciding with Phibun's efforts to distance himself from the Japanese, the Allied Invasion of Italy and the downfall of
Benito Mussolini Benito Amilcare Andrea Mussolini (; 29 July 188328 April 1945) was an Italian politician and journalist who founded and led the National Fascist Party. He was Prime Minister of Italy from the March on Rome in 1922 until his deposition in ...
sent shock waves through the Thai government, and an emergency cabinet meeting was convened to discuss the European situation. Analogies with Italy were soon being made. "
Badoglio Pietro Badoglio, 1st Duke of Addis Abeba, 1st Marquess of Sabotino (, ; 28 September 1871 – 1 November 1956), was an Italian general during both World Wars and the first viceroy of Italian East Africa. With the fall of the Fascist regime ...
" became an increasingly popular Thai political epithet, and the Japanese envoy in Berlin was advised by
Reichsmarschall (german: Reichsmarschall des Großdeutschen Reiches; ) was a rank and the highest military office in the '' Wehrmacht'' specially created for Hermann Göring during World War II. It was senior to the rank of , which was previously the hig ...
Göring, who was old friend with Tojo and many Thai generals at
Prussian Military Academy The Prussian Staff College, also Prussian War College (german: Preußische Kriegsakademie) was the highest military facility of the Kingdom of Prussia to educate, train, and develop general staff officers. Location It originated with the '' ...
, to keep a close watch on Thailand, lest it turn into an "Oriental Italy." Despite the increasing domestic discontent and Japanese distrust, Phibun's political demise would not come until the following year. Pridi, the regent, from his office at Thammasat University, ran a clandestine movement that, by the end of the war, had, with Allied aid, armed more than 50,000 Thais to resist the Phibun government and the Japanese. In 1944 he managed to engineer the unseating of Phibun, who was replaced by
Khuang Aphaiwong Khuang Aphaiwong (also spelled ''Kuang'', ''Abhaiwong'', or ''Abhaiwongse''; th, ควง อภัยวงศ์, ; 17 May 1902 – 15 March 1968), also known by his noble title Luang Kowit-aphaiwong ( th, หลวงโกวิทอ ...
, the civilian son of a minor nobleman and linked politically with conservatives like Seni. Khuang's main task was to continue the charade of collaboration whilst shielding the growing underground movement. He succeeded in this to a great extent, convincing not only Nakamura, but also the notorious Masanobu Tsuji.Daniel Fineman. (1997) ''A Special Relation: The United States and Military Government in Thailand, 1947-1958''. University of Hawaii Press. By the beginning of 1945, preparations were actively being pursued for a rising against the Japanese. Plans for an uprising relied on the success of a quick, surprise strike by a special police unit against the Japanese command structure. The residences of leading officers and the Japanese communications facilities were kept under surveillance. The police assault was to be coordinated with a general attack by the partly mechanised Thai 1st Army against Japanese troops in Bangkok. Fortifications, in the guise of air raid shelters, had been dug at key crossroads, and additional troops had been brought into the city in small groups in civilian clothing. The task of Free Thai forces elsewhere would be to thwart Japanese efforts to reinforce their Bangkok garrison by cutting communications lines and seizing airfields. Pridi had to take into consideration that the Japanese were building up their forces in Thailand, which was likely to become a battlefront in the near future. Previously most Japanese soldiers stationed in Thailand had been support troops, but in December 1944 the local command had been upgraded from garrison status to a field army. The Japanese were gathering supplies and constructing fortifications for a last-ditch defensive effort at Nakhon Nayok, about 100 kilometres northeast of Bangkok.


Post-war

The atomic bombings and subsequent Japanese surrender precluded the uprising, however. Pridi immediately issued a declaration stating that Phibun's 1942 declaration of war was unconstitutional and legally void, thereby dispensing any need for Thailand to surrender. The Thai armed forces initially attempted to disarm the Japanese garrison, but Nakamura refused, arguing that the matter was for the Allies to decide. Khuang in the meanwhile resigned, citing his previous association with the Japanese as a possible obstacle to Thailand's rapprochement with the Allies. A caretaker premier was found in the person of Thawi Bunyaket, a Pridi loyalist. In early September the leading elements of Major-General Geoffrey Charles Evans's
Indian 7th Infantry Division The 7th Infantry Division is a war-formed infantry division, part of the British Indian Army that saw service in the Burma Campaign. History The division was created on 1 October 1940 at Attock, under the command of Major General Arthur Wakely ...
landed, accompanied by Edwina Mountbatten. Later that month Seni returned from Washington to succeed Tawee as prime minister. It was the first time in over a decade that the government was controlled by civilians. But the ensuing factional scramble for power in late 1945 created political divisions in the ranks of the civilian leaders that destroyed their potential for making a common stand against the resurgent political force of the military in the post-war years. Moreover, the post-war accommodations with the Allies weakened the civilian government. As a result of the contributions made to the Allied war efforts by the Free Thai Movement, the United States refrained from dealing with Thailand as an enemy country in post-war peace negotiations. Before signing a peace treaty, however, Britain demanded war reparations in the form of rice shipments to Malaya. An Anglo-Thai Peace Treaty was signed on 1 January 1946, and an
Australian–Thai Peace Treaty The Australian–Thai Peace Treaty that ended World War II between Australia and Thailand was signed in Bangkok on 3 April 1946. The full title of the peace treaty is "Final Peace Agreement Between the Government of Australia and the Government ...
on 3 April. France refused to permit admission of Thailand to the
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoni ...
until Indochinese territories annexed during the war were returned. The
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...
insisted on the repeal of anti-communist legislation.


In popular culture

* ''
The Overture ''The Overture'' ( th, โหมโรง or Hom rong) is a 2004 Thai tragic-nostalgia music-drama film. A fictionalised account based on the life story of Thai palace musician Luang Pradit Phairoh ( Sorn Silapabanleng), it follows the life of ...
'' is a
2004 2004 was designated as an International Year of Rice by the United Nations, and the International Year to Commemorate the Struggle Against Slavery and its Abolition (by UNESCO). Events January * January 3 – Flash Airlines Flight ...
Thai tragic-
nostalgia Nostalgia is a sentimentality for the past, typically for a period or place with happy personal associations. The word ''nostalgia'' is a learned formation of a Greek compound, consisting of (''nóstos''), meaning "homecoming", a Homeric word ...
musical Musical is the adjective of music. Musical may also refer to: * Musical theatre, a performance art that combines songs, spoken dialogue, acting and dance * Musical film Musical film is a film genre in which songs by the characters are interwo ...
-
drama film In film and television, drama is a category or genre of narrative fiction (or semi-fiction) intended to be more serious than humorous in tone. Drama of this kind is usually qualified with additional terms that specify its particular super- ...
. A fictionalised account based on the life story of Thai palace musician Luang Pradit Phairoh ( Sorn Silapabanleng), The backdrop to Sorn's life tale is the story of Thailand's classical music from its golden age during the reign of King Rama V. Until the rule of the dictator, Field Marshal
Plaek Phibunsongkhram Field Marshal Plaek Phibunsongkhram ( th, แปลก พิบูลสงคราม ; alternatively transcribed as ''Pibulsongkram'' or ''Pibulsonggram''; 14 July 1897 – 11 June 1964), locally known as Marshal P. ( th, จอมพล ...
, whose government declared
Thai cultural mandates The cultural mandates or state decrees ( th, รัฐนิยม; ; literally "state fashion" or "state customs') were a series of twelve edicts issued between 1939 and 1942 by the government of Field Marshal Plaek Pibulsonggram during his fir ...
, led to abolition of traditional Thai music performances, dance, theatre and culture. * ''
Khu Kam ''Koo Kam'' (Thai: คู่กรรม) is a Thai novel written by Thommayanti. It was adapted into a 1996 film, '' Sunset at Chaopraya'', and a 2013 remake that shared the same name. Plot summary Set in 1939, the early days of World War II i ...
'' is a Thai novel written by
Thommayanti Thommayanti ( th, ทมยันตี) was the pen name of Thailand National Artist Khun Ying Wimon Chiamcharoen ( th, วิมล เจียมเจริญ; 10 July 1936 – 13 September 2021), née Wimon Siriphaibun ( th, วิมล ...
. It was also adapted into a film, Sunset at Chaopraya, the story is a
love triangle A love triangle or eternal triangle is a scenario or circumstance, usually depicted as a rivalry, in which two people are pursuing or involved in a romantic relationship with one person, or in which one person in a romantic relationship with ...
, set in
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
-era
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...
, and depicts the star-crossed romance between an
Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...
officer and a Thai woman who is involved with the Free Thai resistance.


See also

*
Japanese invasion of Thailand The Japanese invasion of Thailand ( th, การบุกครองไทยของญี่ปุ่น, ; ja, 日本軍のタイ進駐 , Nihongun no Tai shinchū) occurred on 8 December 1941. It was briefly fought between the Kingdo ...
*
Thai cultural mandates The cultural mandates or state decrees ( th, รัฐนิยม; ; literally "state fashion" or "state customs') were a series of twelve edicts issued between 1939 and 1942 by the government of Field Marshal Plaek Pibulsonggram during his fir ...
* Syburi


General bibliography

*


Citations

{{Authority control Axis powers
WWII World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
WWII World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
WWII World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
Military history of Japan during World War II