116-626: The Chao Phraya River is the major river in Thailand , with its low alluvial plain forming the centre of the country. It flows through Bangkok and then into the Gulf of Thailand . On many old European maps, the river is named the Mae Nam (แม่น้ำ), the Thai word for "river" (literally, "motherly water"). Irish surveyor and cartographer James McCarthy , F.R.G.S. , who served as Director-General of
232-493: A brief period of parliamentary democracy in the mid-1970s and 1990s, Thailand has periodically alternated between democracy and military rule . Since the 2000s, the country has been in continual political conflict between supporters and opponents of twice-elected Prime Minister of Thailand Thaksin Shinawatra , which resulted in two coups (in 2006 and 2014 ), along with the establishment of its current constitution ,
348-401: A nominally democratic government after the 2019 Thai general election , and large pro-democracy protests in 2020–2021 , which included unprecedented demands to reform the monarchy. Since 2019, it has been nominally a parliamentary constitutional monarchy ; in practice, however, structural advantages in the constitution have ensured the military's continued influence in politics. Thailand
464-548: A 14-month siege, the capital city's walls fell and the city was burned in April 1767. The capital and many of its territories lay in chaos after the war. The former capital was occupied by the Burmese garrison army and five local leaders declared themselves overlords, including the lords of Sakwangburi, Phitsanulok , Pimai , Chanthaburi , and Nakhon Si Thammarat . Chao Tak , a capable military leader, proceeded to make himself
580-608: A constitutional monarchy and changed its official name to Thailand, becoming an ally of Japan in World War II . In the late 1950s, a military coup under Sarit Thanarat revived the monarchy's historically influential role in politics. During the Cold War , Thailand became a major ally of the United States and played an anti-communist role in the region as a member of SEATO , which was disbanded in 1977. Apart from
696-529: A general election was scheduled, but was invalidated by the Constitutional Court . The crisis ended with another coup d'état in 2014 . The ensuing National Council for Peace and Order , a military junta led by General Prayut Chan-o-cha , led the country until 2019. Civil and political rights were restricted, and the country saw a surge in lèse-majesté cases. Political opponents and dissenters were sent to "attitude adjustment" camps; this
812-540: A lord by right of conquest , beginning with the legendary sack of Chanthaburi . Based at Chanthaburi, Chao Tak raised troops and resources, and sent a fleet up the Chao Phraya to take the fort of Thonburi . In the same year, Chao Tak was able to retake Ayutthaya from the Burmese only seven months after the fall of the city. Chao Tak then crowned himself as Taksin and proclaimed Thonburi as temporary capital in
928-549: A major change from the 13th century during the Sukhothai Kingdom in the 13th and 14th centuries and the Ayutthaya Kingdom that succeeded it when rice growing intensified with the introduction of floating rice , a much faster-growing strain of rice from Bengal . The southern swamps meanwhile changed radically from the 18th century when King Buddha Yodfa Chulaloke moved the capital of Siam to Bangkok, and
1044-598: A powerful faction in Thailand. In response, the royalists made up a story about how Thaskin and his "advisors gathered in Finland to plot the overthrow of the monarchy". Meanwhile, massive protests against Thaksin led by the People's Alliance for Democracy (PAD) started in his second term as prime minister. Eventually, the monarchy and the military agree to oust the leader. In this case, the military first sought permission from
1160-667: A princess of Isanavarman I , and two mandalas then became an ally. After Chenla sieged Funan and moved the center to Angkor , both Siamese Mon and the Angkorian eventually marched the troops to attack Vijaya of Champa in 1201 during the reign of Jayavarman VII , as recorded in the Cho-Dinh inscription (C.3). After the decline of the Khmer Empire and Kingdom of Pagan in the early 13th century, various states thrived in their place. The domains of Tai people existed from
1276-497: A privy council, and abolished slavery and the corvée system. The Front Palace crisis of 1874 stalled attempts at further reforms. In the 1870s and 1880s, he incorporated the protectorates up north into the kingdom proper, which later expanded to the protectorates in the northeast and the south. He established twelve krom in 1888, which were equivalent to present-day ministries. The crisis of 1893 erupted, caused by French demands for Laotian territory east of Mekong. Thailand
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#17327720973901392-646: A process of canalisation and cultivation began, especially as Thailand began to export rice from 1855. The Tha Chin River is the major distributary of the Chao Phraya River. The expanse of the Chao Phraya and Tha Chin Rivers and their distributaries, starting at the point at which the distributaries diverge, together with the land amid the triangle formed by the outermost and innermost distributary, form
1508-532: A relic of the original landscape. As so much has been cleared or altered the potential for creating large protected areas to preserve original habitat no longer exists. However much wildlife does remain in the rice fields and steps may be taken to preserve these as urban and industrial development on the plains is ongoing and the Industrial Estate Authority of Thailand has very little control or planning over this. Particular threats come from
1624-527: A result. Bangkok also waged several wars with Vietnam , where Siam successfully regained hegemony over Cambodia. From the late-19th century, Siam tried to rule the ethnic groups in the realm as colonies. In the reign of Mongkut (1851–1868), who recognised the potential threat Western powers posed to Siam, his court contacted the British government directly to defuse tensions. A British mission led by Sir John Bowring , Governor of Hong Kong , led to
1740-501: Is a middle power in global affairs and a founding member of ASEAN . It has the second-largest economy in Southeast Asia and the 23rd-largest in the world by PPP , and it ranks 91st by nominal GDP per capita. Thailand is classified as a newly industrialised economy , with manufacturing, agriculture, and tourism as leading sectors. Thailand was known by outsiders prior to 1939 as Siam . According to George Cœdès ,
1856-487: Is at a single location that covers less than 10 km (4 sq mi). The endangered dwarf loach , another species bred in large numbers for the aquarium trade, has been extirpated from most of its range in Chao Phraya. The critically endangered Siamese tigerfish has been entirely exirpated from Chao Phraya and Mae Klong, but small populations remain in the Mekong basin. Many other species that either are prominent in
1972-557: Is evidence of continuous human habitation in present-day Thailand from 20,000 years ago to the present day. The earliest evidence of rice growing is dated at 2,000 BCE. Areas comprising what is now Thailand participated in the Maritime Jade Road , as ascertained by archeological research. The trading network existed for 3,000 years, between 2000 BCE to 1000 CE. Bronze appeared c. 1,250 –1,000 BCE. The site of Ban Chiang in northeast Thailand currently ranks as
2088-486: Is founded on blood and flesh'. The former name Siam may have originated from Sanskrit श्याम ( śyāma , 'dark') or Mon ရာမည ( rhmañña , 'stranger'), probably the same root as Shan and Assam . The word Śyâma is possibly not the true origin, but a pre-designed deviation from its proper, original meaning. Another theory is the name derives from the Chinese calling this region 'Xian'. The ancient Khmers used
2204-522: Is the only Southeast Asian state never to have been colonised by a Western power, in part because Britain and France agreed in 1896 to make the Chao Phraya valley a buffer state . Not until the 20th century could Siam renegotiate every unequal treaty dating from the Bowring Treaty, including extraterritoriality . The advent of the monthon system marked the creation of the modern Thai nation-state. In 1905, there were unsuccessful rebellions in
2320-530: The Great Depression , sharply falling rice prices, and a significant reduction in public spending caused discontent among aristocrats. In 1933, a counter-revolutionary rebellion occurred which aimed to reinstate absolute monarchy, but failed. Prajadhipok's conflict with the government eventually led to abdication. The government selected Ananda Mahidol , who was studying in Switzerland, to be
2436-541: The Gulf of Thailand and Malaysia , and to the southwest by the Andaman Sea ; it also shares maritime borders with Vietnam to the southeast and Indonesia and India to the southwest. Bangkok is the state capital and largest city. Thai peoples migrated from southwestern China to mainland Southeast Asia from the 6th to 11th centuries. Indianised kingdoms such as the Mon , Khmer Empire , and Malay states ruled
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#17327720973902552-668: The Gulf of Thailand . In Chai Nat , the river then splits into the main course and the Tha Chin River , which then flows parallel to the main river and exits in the Gulf of Thailand about 35 kilometres (22 mi) west of Bangkok in Samut Sakhon . In the low alluvial plain which begins below the Chao Phraya Dam , there are many small canals ( khlong ) which split off from the main river. The khlongs are used for
2668-500: The IUCN ), but Cryptophaea saukra is critically endangered and Caliphaea angka is endangered . There are few areas of wetland protected as national parks, but these are mostly very small. The Chao Phraya basin is home to around 280 species of fish, including about 30 endemics . By far the most diverse family is Cyprinidae with 108 species. The mainstream of the Chao Phraya River has about 190 native fish species. In general,
2784-588: The Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Indochinese Peninsula . With a population of almost 66 million, it spans 513,115 square kilometres (198,115 sq mi). Thailand is bordered to the northwest by Myanmar , to the northeast and east by Laos , to the southeast by Cambodia , to the south by
2900-477: The Nguyễn lords for control of Cambodia starting around 1715. The last fifty years of the kingdom witnessed bloody succession crises, where there were purges of court officials and able generals for many consecutive reigns. In 1765, a combined 40,000-strong force of Burmese armies invaded it from the north and west. The Burmese under the new Alaungpaya dynasty quickly rose to become a new local power by 1759. After
3016-525: The Ping River (with its principal confluent, the Wang River ), and the Tha Chin River . Each of these tributaries (and the Chao Phraya itself) is augmented by minor tributaries referred to as khwae . All of the tributaries, including the lesser khwae, form an extensive tree-like pattern, with branches flowing through nearly every province in central and northern Thailand . None of the tributaries of
3132-641: The Shan people , the Bru people , or the Brau people . However, mainland Southeast Asian sources from before the fourteenth century primarily used the word Syam as an ethnonym , referring to those who belonged to a separate cultural category different from the Khmer, Cham, Bagan, or Mon. This contrasts with the Chinese sources, where Xian was used as a toponym . Theoretically, Tai-Kadai -speaking people formed as early as
3248-529: The Simhanavati legend given in several chronicles, the first Tai city-state in northern Thailand, Singhanavati , was found around the 7th century; however, several modern geology and archaeology studies found that its center, Yonok Nahaphan, dates from 691 BCE–545 CE, coinciding roughly with the establishment of Shan States , another Tai's federated principalities in the present-day northeast Myanmar . as well as Muang Sua ( Luang Prabang ) in
3364-659: The Thai highlands , with the highest point being Doi Inthanon in the Thanon Thong Chai Range at 2,565 metres (8,415 ft) above sea level. The northeast, Isan , consists of the Khorat Plateau , bordered to the east by the Mekong River . The centre of the country is dominated by the predominantly flat Chao Phraya river valley, which runs into the Gulf of Thailand . Southern Thailand consists of
3480-602: The Thammasat University massacre in October 1976. A coup d'état on that day brought Thailand a new ultra-right government, which cracked down on media outlets, officials, and intellectuals, and fuelled the communist insurgency . Another coup the following year installed a more moderate government, which offered amnesty to communist fighters in 1978. Fuelled by Indochina refugee crisis , Vietnamese border raids and economic hardships, Prem Tinsulanonda became
3596-463: The water quality of major rivers flowing into the upper Gulf of Thailand has seriously deteriorated, and the lower Chao Phraya contains bacteria and nutrient pollution from phosphates , phosphorus , and nitrogen . Nutrient pollution causes algae to grow faster than ecosystems can handle, harming water quality, food resources for aquatic animals, and marine habitats. It also decreases the oxygen that fish need to survive. PCD rated water quality at
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3712-593: The 12th century BCE in the middle of the Yangtze basin . Some groups later migrated south to Guangxi . However, after several bloody centuries against Chinese influence in Guangxi from the 333 BCE-11th centuries, hundreds of thousands of Tais were killed, thus, Tai people began to move southwestward along the rivers and over the lower passes into the mountain north of Southeast Asia and river valleys in present-day Assam of India . Some evidence indicates that
3828-933: The 17th century by the French, Dutch, and English. Rivalry for supremacy over Chiang Mai and the Mon people pitted Ayutthaya against the Burmese Kingdom. Several wars with its ruling Taungoo dynasty starting in the 1540s in the reign of Tabinshwehti and Bayinnaung were ultimately ended with the capture of the capital in 1570 . Then was a brief period of vassalage to Burma until Naresuan proclaimed independence in 1584. Ayutthaya then sought to improve relations with European powers for many successive reigns. The kingdom especially prospered during cosmopolitan Narai 's reign (1656–1688) when some European travelers regarded Ayutthaya as an Asian great power, alongside China and India. However, growing French influence later in his reign
3944-745: The 20th century and created a system of social hierarchy called sakdina , where male commoners were conscripted as corvée labourers for six months a year. Ayutthaya was interested in the Malay Peninsula , but failed to conquer the Malacca Sultanate which was supported by the Chinese Ming dynasty . European contact and trade started in the early-16th century, with the envoy of Portuguese duke Afonso de Albuquerque in 1511. Portugal became an ally and ceded some soldiers to King Rama Thibodi II. The Portuguese were followed in
4060-571: The 8th–10th centuries. This is also reflected in the language since over half of the vocabulary in the central Thai language is derived from or borrowed from the Mon language as well as Pali and Sanskrit . Moreover, the Jinakalamali chronicle of Tai's Lan Na also called the southern region occupied by the Mon Haripuñjaya of Dvaravati as Shyam Pradesh ( lit. ' the land of Siam people ' ), which indicates that
4176-572: The 9th century. Tambralinga , a Malay state controlling trade through the Malacca Strait , rose in the 10th century. The Indochina peninsula was heavily influenced by the culture and religions of India from the time of the Kingdom of Funan to that of the Khmer Empire. The Thai people are of the Tai ethnic group , characterized by common linguistic roots. Chinese chronicles first mention
4292-517: The Chao Phraya delta . The many distributaries of the Chao Phraya delta are interconnected by canals that serve both for irrigation and for transportation. The lowland areas of the Chao Phraya watershed in central Thailand have been designated as the Chao Phraya freshwater swamp forests , a tropical and subtropical moist broadleaf forests ecoregion , an area about 400 km (249 mi) north to south and 180 km (112 mi) wide. The original swamp forests have almost entirely been removed as
4408-735: The Chao Phraya extend beyond the nation's borders. The Nan and the Yom River flow nearly parallel from Phitsanulok to Chumsaeng in the north of Nakhon Sawan Province. The Wang River enters the Ping River near Sam Ngao district in Tak Province . When measured from the most commonly accepted source, which is the confluence of the Ping and Nan River in Nakhon Sawan, the river measures 372 km (231 mi). However, when measured from
4524-639: The Chao Phraya is a major transportation artery for a network of river buses, cross-river ferries, and water taxis ("longtails"). More than 15 boat lines operate on the rivers and canals of the city, including commuter lines . The principal tributaries of the Chao Phraya River are the Pa Sak River , the Sakae Krang River , the Nan River (along with its principal confluent the Yom River ),
4640-519: The English-language media in Thailand, the name Chao Phraya River is often translated as river of kings . On the basins of Chao Phraya River rose the earliest civilizations in the south east Asia, most notably the ancient Mon kingdom and the civilization of Dvaravati from the 7th century to the 11th century, the river played a crucial role in the Lavo kingdom that existed on its left bank in
4756-625: The First World War on the side of the Allies . In the aftermath, Siam had a seat at the Paris Peace Conference and gained freedom of taxation and the revocation of extraterritoriality. A bloodless revolution took place in 1932, in which Prajadhipok was forced to grant the country's first constitution, thereby ending centuries of feudal and absolute monarchy . The combined results of economic hardships brought on by
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4872-515: The Great quickly reunified the fragmented territory and established the short-lived Thonburi Kingdom (1767–1782), of which he was the only king. He was succeeded in 1782 by Phutthayotfa Chulalok (Rama I), the first monarch of the current Chakri dynasty . Throughout the era of Western imperialism in Asia , Siam remained the only state in the region to avoid colonization by foreign powers, although it
4988-510: The Khmer. He later crowned himself the first king of Sukhothai Kingdom in 1238. Mainstream Thai historians count Sukhothai as the first kingdom of Thai people. Sukhothai expanded furthest during the reign of Ram Khamhaeng ( r. 1279–1298 ). However, it was mostly a network of local lords who swore fealty to Sukhothai, not directly controlled by it. He is believed have invented Thai script and Thai ceramics were an important export in his era. Sukhothai embraced Theravada Buddhism in
5104-582: The Prime Minister from 1980 to 1988. The communists abandoned the insurgency by 1983. Prem's premiership was dubbed " semi-democracy " because the Parliament was composed of all elected House and all appointed Senate. The 1980s also saw increasing intervention in politics by the monarch, who rendered two coups in 1981 and 1985 attempts against Prem failed. In 1988 Thailand had its first elected prime minister since 1976. Suchinda Kraprayoon , who
5220-516: The Sanskrit आज्ञा , ājñā , of the same meaning), and -chak (from Sanskrit चक्र cakra- 'wheel', a symbol of power and rule). The Thai National Anthem ( Thai : เพลงชาติ ), written by Luang Saranupraphan during the patriotic 1930s, refers to the Thai nation as prathet Thai ( Thai : ประเทศไทย ). The first line of the national anthem is: prathet thai ruam lueat nuea chat chuea thai ( Thai : ประเทศไทยรวมเลือดเนื้อชาติเชื้อไทย ), 'Thailand
5336-810: The Siamese Government Surveys prior to establishment of the Royal Thai Survey Department , wrote in his account, " Mae Nam is a generic term, mae signifying "mother" and Nam "water," and the epithet Chao P'ia signifies that it is the chief river in the kingdom of Siam." Herbert Warington Smyth , who served as Director of the Department of Mines in Siam from 1891 to 1896, refers to it in his book first published in 1898 as "the Mae Nam Chao Phraya". In
5452-501: The Tai peoples in the 6th century BCE. While there are many assumptions regarding the origin of Tai peoples, David K. Wyatt , a historian of Thailand, argued that their ancestors who at present inhabit Laos, Thailand, Myanmar, India, and China came from the Điện Biên Phủ area between the 5th and the 8th century. Thai people began migrating into present-day Thailand gradually from the 6th to 11th century, which Mon and Khmer people occupied at
5568-485: The Takéo inscriptions (K.79) written in 682 during the reign of Bhavavarman II of Chenla also mention Siam Nobel: Sāraṇnoya Poña Sayam, which was transcribed into English as: the rice field that was given to the poña (noble rank) who was called Sayam (Siam) . The Song Huiyao Jigao (960–1279) indicate Siamese people settled in the west central Thailand and their state was called Xiān guó ( Chinese : 暹國 ), while
5684-484: The United States and the United Kingdom. The United Kingdom, whose colony Malaya was under immediate threat from Thai forces, responded in kind, but the United States refused to declare war and ignored Thailand's declaration. The Free Thai Movement was launched both in Thailand and abroad to oppose the government and Japanese occupation. After the war ended in 1945, Thailand signed formal agreements to end
5800-588: The Upper Chao Phraya valley, Chao Phraya maintained its role in the kingdoms that succeeded the Lavo kingdom, forming the bases of the Ayodhaya kingdom, that was later incorporated into the Ayutthaya Kingdom in the 14th century, which itself was precursor of modern Thailand (known formerly as Siam), the river became very significant after the establishment of Rattanakosin (Bangkok) in 1782 on its east bank,
5916-417: The ancestors of Tai people migrated en masse southwestwards out of Yunnan only after the 1253 Mongol invasion of Dali , but not generally accepted. Tais defeated indigenous tribes and emerged as the new power in the new region, several Tai city-states were established, scattered from Điện Biên Phủ in present-day northwestern Vietnam and highland Southeast Asia to northeastern India . According to
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#17327720973906032-410: The ancient Patani area, Ubon Ratchathani, and Phrae in opposition to an attempt to blunt the power of local lords. The Palace Revolt of 1912 was a failed attempt by Western-educated military officers to overthrow the Siamese monarchy. Vajiravudh ( r. 1910–1925 ) responded by propaganda for the entirety of his reign, which promoted the idea of the Thai nation . In 1917, Siam joined
6148-399: The ancient Siamese and the Mon people in central Thailand were probably the same ethnolinguistic group. The earliest evidence to mention the Siam people are stone inscriptions found in Angkor Borei of Funan (K.557 and K.600), dated 661 CE, the slave's name is mentioned as "Ku Sayam" meaning "Sayam female slaves" (Ku is a prefix used to refer to female slaves in the pre-Angkorian era), and
6264-976: The aquarium trade or important food fish are native to the Chao Phraya basin, such as the climbing perch , blue panchax , Asian bumblebee catfish , giant snakehead , striped snakehead , walking catfish , banded loach , several Yasuhikotakia loaches, tinfoil barb , Siamese algae eater , silver barb , pearl danio , rainbow shark , Hampala barb , black sharkminnow , Leptobarbus rubripinna , long pectoral-fin minnow , bonylip barb , Jullien's golden carp , blackline rasbora , scissortail rasbora , Tor tambroides , finescale tigerfish , marble goby , Chinese algae eater , giant featherback , clown featherback , giant gourami , several Trichopodus gouramis, iridescent shark , several Pangasius , Belodontichthys truncatus , several Phalacronotus sheatfish, several Wallago catfish, largescale archerfish , smallscale archerfish , and wrestling halfbeak . The Thai Pollution Control Department (PCD) reports that
6380-498: The aquatic fauna of Chao Phraya and Mae Klong show clear similarities, and they are sometimes combined in a single ecoregion with 328 fish species. Despite their similarities, there are also differences between the aquatic fauna of Chao Phraya and Mae Klong; the latter (but not the former) is home to a few taxa otherwise only known in major Burmese rivers: the Irrawaddy , Salween , and Tenasserim . The aquatic fauna in Chao Phraya–Mae Klong also show clear similarities with that of
6496-408: The city of Lord Krishna (Nakhon Pathom) in the early era of the Sukhothai Kingdom . The signature of King Mongkut (r. 1851–1868) reads SPPM ( Somdet Phra Poramenthra Maha ) Mongkut Rex Siamensium (Mongkut, King of the Siamese). This usage of the name in the country's first international treaty gave the name Siam official status, until 24 June 1939 when it was changed to Thailand . There
6612-419: The conversion of rice paddies to large-scale production of prawns by pumping in seawater, and the use of pesticides to eliminate the introduced snail, Pomacea canaliculata , which damages rice plants. There are populations of threatened birds, including colonies of breeding water birds such as the world's largest populations of the near-threatened Asian openbill ( Anastomus oscitans ), and other birds such as
6728-556: The country's 40 years of uninterrupted economic growth. Chuan Leekpai 's government took an IMF loan with unpopular provisions. The 2004 Indian Ocean earthquake and tsunami hit the country, mostly in the south, claiming around 5,400 lives in Phuket , Phang Nga , Ranong , Krabi , Trang , and Satun , with thousands still missing. The populist Thai Rak Thai party , led by prime minister Thaksin Shinawatra , governed from 2001 until 2006. His policies were successful in reducing rural poverty and initiated universal healthcare in
6844-512: The country. In May 2023, Thailand's reformist opposition, the progressive Move Forward Party (MFP) and the populist Pheu Thai Party , won the general election , meaning the royalist-military parties that supported Prime Minister Prayuth Chan-ocha lost power. On 22 August 2023, Srettha Thavisin of the populist Pheu Thai party, became Thailand's new prime minister, while the Pheu Thai party's billionaire figurehead Thaksin Shinawatra returned to Thailand after years in self-imposed exile. Thavisin
6960-401: The country. However, Thaksin was viewed as a corrupt populist who was destroying the middle class in order to favor himself and the rural poor. He also faced criticism over his response to a South Thailand insurgency which escalated starting from 2004. Additionally, his recommendations to the rural poor directly conflicted with King Bhumibol's recommendations, drawing the ire of royalists,
7076-429: The critically endangered giant barb (wild populations have been extirpated from Chao Phraya, but remain elsewhere), critically endangered giant pangasius , and endangered giant freshwater stingray . The critically endangered red-tailed black shark , a small colourful cyprinid that is endemic to Chao Phraya, is commonly seen in the aquarium trade where it is bred in large numbers, but the only remaining wild population
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#17327720973907192-407: The death of the Sukhothai king Ram Khamhaeng . According to the Wat Kud Tae inscription (K.1105), dated c. 7th century, during the period that the eastern Mon entity, Lavo , was strongly influenced by the Chenla , the Siamese Mon in the west also established a royal intermarriage with Chenla as Sri Chakatham, prince of Sambhuka (ศามภูกะ, in the present-day Ratchaburi province ), married to
7308-473: The divide roughly corresponds to a long section of the political border of the country today. Southern portions of the divide's boundary correspond less to the nation's political border, because isolation in this area was prevented by the ease of transportation along the lowlands surrounding the Gulf of Thailand, allowing a unified Thai civilisation to extend beyond the watershed without issue. The slightly higher northern plains have been farmed for centuries and saw
7424-409: The earliest known centre of copper and bronze production in Southeast Asia. Iron appeared around 500 BCE. The Kingdom of Funan was the first and most powerful Southeast Asian kingdom at the time (2nd century BCE). The Mon people established the principalities of Dvaravati and Kingdom of Hariphunchai in the 6th century. The Khmer people established the Khmer empire , centred in Angkor , in
7540-551: The east. After Singhanavati was submerged below Chiang Saen Lake due to an earthquake in 545, the survivors then founded a new seat at Wieng–Prueksha [ th ] , the kingdom lasted for another 93 years. In addition to Singhanavati , another northern principality probably related to the Tai people, Ngoenyang , was established as the successor of Singhanavati in 638 by Lavachakkaraj [ th ] , also centered in Wieng–Prueksha [ th ] (present-day Mae Sai District , Chiang Rai ). Its seat
7656-442: The eastern plain belonged to the Mon of Lavo ( Chinese : 羅渦國 ), who later fell under the Chenla and Khmer hegemony around the 7th–9th centuries. Those Mon political entities, which also included Haripuñjaya in the north and several city-states in the northeast , are collectively called Dvaravati . However, the states of Siamese Mon and Lavo were later merged via the royal intermarriage and became Ayutthaya Kingdom in
7772-426: The eleventh century with the mention of Syam slaves or prisoners of war in Champa epigraphy", and "in the twelfth century, the bas-reliefs of Angkor Wat " where "a group of warriors" are described as Syam , though Cham accounts do not indicate the origins of Syam or what ethnic group they belonged to. The origins and ethnicity of the Syam remain unclear, with some literature suggesting that Syam refers to
7888-640: The establishment of the Tai people's independent state, Sukhothai Kingdom , in the upper Chao Phraya River valley in 1238. The earliest conflict between Tai people and the preexisting ethnics was recorded in the mid-4th century when the ruler of Singhanavati , Pangkharat [ th ] , forcibly lost the seat at Yonok to King Khom from Umongasela (present-day Fang ). He then fled to Vieng Si Tuang ( เวียงศรีทวง ; present-day Wiang Phang Kham, Mae Sai district ) but had to send tributes to Yonok annually until his son, Phrom , took back Yonok and expelled King Khom from Umongasela. Phrom also marched
8004-622: The etymon *k(ə)ri: 'human being'. Thais often refer to their country using the polite form prathet Thai ( Thai : ประเทศไทย ). They also use the more colloquial term mueang Thai ( Thai : เมืองไทย ) or simply Thai; the word mueang , archaically referring to a city-state , is commonly used to refer to a city or town as the centre of a region. Ratcha Anachak Thai ( Thai : ราชอาณาจักรไทย ) means 'kingdom of Thailand' or 'kingdom of Thai'. Etymologically, its components are: ratcha ( Sanskrit : राजन् , rājan , 'king, royal, realm'), ana- ( Pali āṇā 'authority, command, power', itself from
8120-421: The first time that the king had intervened in Thai politics directly since 1932. The aftermath of the event marked a short-lived parliamentary democracy, often called the "era when democracy blossomed" (ยุคประชาธิปไตยเบ่งบาน). Constant unrest and instability, as well as fear of a communist takeover after the fall of Saigon , made some ultra-right groups brand leftist students as communists. This culminated in
8236-474: The fish species known from the Chao Phraya–Mae Klong, only about 50 are absent from the Mekong. There has been extensive habitat destruction (pollution, dams , and drainage for irrigation ) in the Chao Phraya basin and overfishing also presents a problem. Within mainland Southeast Asia , the only freshwater region with similar high levels of threat is the lower Mekong. It has been estimated that only around 30 native fish species still are able to reproduce in
8352-545: The irrigation of the region's rice paddies. The rough coordinates of the river are 13 N, 100 E. This area has a wet monsoon climate, with over 1,400 millimetres (55 in) of rainfall per year. Temperatures range from 24 to 33 °C (75 to 91 °F) in Bangkok. The lower Chao Phraya underwent several human-made modifications during the Ayutthaya period. Several shortcut canals were constructed to bypass large loops in
8468-592: The junta agreed to schedule a general election in March . Prayut continued his premiership with the support of Palang Pracharath Party -coalition in the House and junta-appointed Senate, amid allegations of election fraud. The 2020–21 pro-democracy protests were triggered by increasing royal prerogative , democratic and economic regression from the Royal Thai Armed Forces supported by the monarchy in
8584-423: The king to oust Thaksin, the permission was denied. But then, the king rejected Thaksin's choice to lead the army, allowing a military leader to be put into power who wanted the coup. Then, the army dissolved Thaksin's party with a coup d'état in 2006 and banned over a hundred of its executives from politics. After the coup, a military government was installed which lasted a year. Coming back to democracy
8700-423: The late 10 century, Tai people began to migrate further south to the present-day upper central Thailand . Around the 1100s period, several cities in this area, such as Songkwae, Sawankhalok, and Chakangrao, were ruled by the Tai people, and they eventually launched several battles against the pre-existing Mon of Lavo , who had been falling under Chenla and Khmer influences since the 7th century, thus bringing
8816-464: The latter of which ended with a violent military crackdown causing more than 70 civilian deaths. After the general election of 2011 , the populist Pheu Thai Party won a majority and Yingluck Shinawatra , Thaksin's younger sister, became prime minister. The People's Democratic Reform Committee organised another anti-Shinawatra protest after the ruling party proposed an amnesty bill which would benefit Thaksin. Yingluck dissolved parliament and
8932-560: The location of Bangkok on the east bank of Chao Phraya River ensured protection to Siamese kingdom from the Burmese invasions coming from the West. The Chao Phraya begins at the confluence of the Ping and Nan rivers at Nakhon Sawan (also called Pak Nam Pho) in Nakhon Sawan province . After this, it flows south for 372 kilometres (231 mi) from the central plains to Bangkok and
9048-582: The longest source, which is the origin point of the Nan River in the Luang Prabang Range , the river measures 1,112 km (691 mi). The expanse of the Chao Phraya River and its tributaries, i.e., the Chao Phraya river system, together with the land upon which falling rain drains into these bodies of water, form the Chao Phraya watershed . The Chao Phraya watershed is the largest watershed in Thailand, covering approximately 35 percent of
9164-436: The mainstream of the Chao Phraya River. The catfish Platytropius siamensis is endemic to Chao Phraya and Bang Pakong , but has not been recorded since the 1970s and is considered extinct . Recent records of the near-endemic cyprinid Balantiocheilos ambusticauda are also lacking and it is possibly extinct. Three of the largest freshwater fish in the world are native to the river, but these are all seriously threatened:
9280-539: The mid-14th century, while the southwestern Isan principalities, centered in Phanom Rung and Phimai , later pledged allegiance to Siamese's Ayutthaya during the reign of Borommarachathirat II ( r. 1424–1448). The remaining principal city-states in Isan region became Lan Xang around 1353 after the twin cities of Muang Sua ( Luang Prabang ) and Vieng Chan Vieng Kham ( Vientiane ) became independent following
9396-505: The mid-20th century. Several genetic studies published in the 21st century suggest that the so-called Siamese people (central Thai) might have had Mon origins since their genetic profiles are more closely related to the Mon people in Myanmar than the Tais in southern China , and they probably later became Tais via cultural diffusion after the arriving of Tai people from the north around
9512-547: The middle Mekong (the lower Mekong fauna more closely resembles that of the eastern Malay Peninsula ). It is believed that the upper Mekong was connected to Chao Phraya (rather than present-day lower Mekong) until the Quaternary , which explains the similarities in their river faunas. This included the Nan River basin, a tributary of the Chao Phraya, which is home to a number of taxa (for example, Ambastaia nigrolineata and Sectoria ) otherwise only known from Mekong. Of
9628-652: The most historically significant and densely populated settlements of Thailand due to their access to the waterway. Major bridges cross the Chao Phraya in Bangkok: the Rama VI railroad bridge; Phra Pin-klao near the Grand Palace ; Rama VIII , a single tower asymmetrical cable-stayed bridge; Rama IX , a semi-symmetric cable-stayed bridge; and Mega Bridge , on the Industrial Ring Road. In Bangkok,
9744-511: The mouth of Chao Phraya at Bangkok's Bang Khun Thian District as "very poor", worse than in 2014, and their findings indicated large amounts of wastewater were discharged into the river from households, industry, and agriculture. In addition, 4,000 metric tons of plastic flows down the river into the Gulf of Thailand every year. To counter this, Thailand's Department of Marine and Coastal Resources (DMCR) signed an agreement with The Ocean Cleanup organization to deploy an Interceptor Original, one of
9860-571: The much-hunted Schomburgk's deer . Today we can only guess at the original habitat and wildlife by comparing it with neighbouring countries. It is believed that the area would have consisted of freshwater swamps inland and salty mangroves on the coast and the river estuaries. The swamp would have been covered in Phragmites marsh grasses. Today there is a small area of this remaining in Khao Sam Roi Yot National Park ,
9976-629: The nation's land, and draining an area of 157,924 square kilometres (60,975 sq mi). The watershed is divided into the following basins: To the west, the central plain of Thailand is drained by the Mae Klong and the east by the Bang Pakong River . They are not part of the Chao Praya system. The landscape of the river basins is a very wide, flat, well-watered plain continuously refreshed with soil and sediment brought down by
10092-435: The new king. Later that decade, the army wing of Khana Ratsadon came to dominate Siamese politics. Plaek Phibunsongkhram who became premier in 1938, started political oppression and took an openly anti-royalist stance. His government adopted nationalism and Westernisation , anti-Chinese and anti-French policies. In 1939, there was a decree changing the name of the country from "Siam" to "Thailand". In 1941, Thailand
10208-461: The northeast of present-day India to the north of present-day Laos and to the Malay Peninsula . During the 13th century, Tai people had already settled in the core land of Dvaravati and Lavo Kingdom to Nakhon Si Thammarat in the south. There are, however, no records detailing the arrival of the Tais. Around 1240, Pho Khun Bang Klang Hao , a local Tai ruler, rallied the people to rebel against
10324-531: The organization's solar-powered, automated systems, in the river. Since 19 February 2024, an interceptor of the latest third generation has been deployed for testing purposes. 13°32′25″N 100°35′23″E / 13.54028°N 100.58972°E / 13.54028; 100.58972 Thailand – in Asia (dark grey & grey) – in ASEAN (dark grey) Thailand , officially
10440-515: The plain has been converted to rice paddies, other agriculture, and urban areas like Bangkok. Much of the wildlife that once inhabited these plains has disappeared, including a large number of fish in the river systems, birds such as vultures, the Oriental darter ( Anhinga melanogaster ), white-eyed river martin ( Pseudochelidon sirintarae ), the sarus crane ( Grus antigone ) and animals such as tigers , Asian elephants , Javan rhinoceroses , and
10556-528: The region, competing with Thai states such as the Kingdoms of Ngoenyang , Sukhothai , Lan Na , and Ayutthaya , which also rivalled each other. European contact began in 1511 with a Portuguese diplomatic mission to Ayutthaya, which became a regional power by the end of the 15th century. Ayutthaya reached its peak during the 18th century, until it was destroyed in the Burmese–Siamese War . King Taksin
10672-522: The reign of Maha Thammaracha I (1347–1368). According to the most widely accepted version of its origin, the Ayutthaya Kingdom rose from the earlier, nearby Lavo Kingdom and Suvarnabhumi with Uthong as its first king. Ayutthaya was a patchwork of self-governing principalities and tributary provinces owing allegiance to the King of Ayutthaya under the mandala system . Its initial expansion
10788-449: The river, shortening the trip from the capital city to the sea. The course of the river has since changed to follow many of these canals. Provinces along the Chao Phraya include, from north to south, Nakhon Sawan Province , Uthai Thani Province , Chai Nat Province , Sing Buri Province , Ang Thong Province , Ayutthaya Province , Pathum Thani Province , Nonthaburi Province , Bangkok , and Samut Prakan Province . These cities are among
10904-497: The rivers. The lower central plain from the delta north to Ang Thong Province is a flat, low area with an average of two metres above sea level. Further north and into the plains of the Ping and the Nan the elevation is over 20 m. Then the mountains that are the natural boundary of the Chao Praya watershed form a divide , which has, to some degree, historically isolated Thailand from other Southeast Asian civilisations. In northern Thailand
11020-567: The rural populace sought work in growing cities. Rural farmers gained class consciousness and were sympathetic to the Communist Party of Thailand . Economic development and education enabled the rise of a middle class in Bangkok and other cities. In October 1971, there was a large demonstration against the dictatorship of Thanom Kittikachorn (premiership 1963–1973), which led to civilian casualties. Bhumibol installed Sanya Dharmasakti (premiership 1973–1975) to replace him, marking
11136-535: The same year. He also quickly subdued the other warlords. His forces engaged in wars with Burma, Laos, and Cambodia, which successfully drove the Burmese out of Lan Na in 1775, captured Vientiane in 1778 and tried to install a pro-Thai king in Cambodia in the 1770s. In his final years there was a coup, caused supposedly by his "insanity", and eventually Taksin and his sons were executed by his longtime companion General Chao Phraya Chakri (the future Rama I). He
11252-473: The signing of the Bowring Treaty , the first of many unequal treaties with Western countries. This, however, brought trade and economic development to Siam. The unexpected death of Mongkut from malaria led to the reign of underage King Chulalongkorn , with Somdet Chaophraya Sri Suriwongse (Chuang Bunnag) acting as regent. Chulalongkorn ( r. 1868–1910 ) initiated centralisation, set up
11368-526: The state of war with the Allies . In June 1946, young King Ananda was found dead under mysterious circumstances. His younger brother Bhumibol Adulyadej ascended to the throne. Thailand joined the Southeast Asia Treaty Organization (SEATO) to become an active ally of the United States in 1954. Field Marshal Sarit Thanarat launched a coup in 1957, which removed Khana Ratsadon from politics. His rule (premiership 1959–1963)
11484-555: The time. Thus Thai culture was influenced by Indian, Mon, and Khmer cultures. Tai people intermixed with various ethnic and cultural groups in the region, resulting in many groups of present-day Thai people. Genetic evidences suggested that ethnolinguistics could not accurately predict the origins of the Thais. Sujit Wongthes argued that Thai is not a race or ethnicity but a culture group. According to French historian George Cœdès , "The Thai first enter history of Farther India in
11600-422: The troops south to occupy Chakangrao from the enemy as well as founding the city of Songkwae . Some historians suggest that Lavo 's capital, Lopburi , was once seized by Phrom . In contrast, Tai people instead established relationships with Siamese Mon via royal intermarriages . As is generally known, the present-day Thai people were previously called Siamese before the country was renamed Thailand in
11716-408: The wake of the coup d'état in 2014 , dissolution of the pro-democracy Future Forward Party , distrust in the 2019 general election and the current political system, forced disappearance and deaths of political activists including Wanchalearm Satsaksit , and political corruption scandals, which brought forward unprecedented demands to reform the monarchy and the highest sense of republicanism in
11832-440: The wintering black kite ( Milvus migrans ). Endemic mammals that remain are the limestone rat ( Niviventer hinpoon ), Neill's long-tailed giant rat ( Leopoldamys neilli ), and the near-endemic Thailand roundleaf bat ( Hipposideros halophyllus ). The Chao Phraya basin is home to about half a dozen endemic dragonflies and damselflies . The conservation status of most of these in unclear (they are rated as data deficient by
11948-491: The word Siam to refer to people settled in the west Chao Phraya River valley surrounding the ancient city of Nakhon Pathom in the present-day central Thailand ; it may probably originate from the name of Lord Krishna , which also called Shyam , as in the Wat Sri Chum Inscription , dated 13th century CE, mentions Phra Maha Thera Sri Sattha [ th ] came to restore Phra Pathommachedi at
12064-445: The word Thai ( ไทย ) means 'free man' in the Thai language, "differentiating the Thai from the natives encompassed in Thai society as serfs". According to Chit Phumisak , Thai ( ไท ) simply means 'people' or 'human being'; his investigation shows that some rural areas used the word "Thai" instead of the usual Thai word khon ( คน ) for people. According to Michel Ferlus , the ethnonyms Thai-Tai (or Thay-Tay) would have evolved from
12180-426: Was the coup leader in 1991 and said he would not seek to become prime minister, was nominated as one by the majority coalition government after the 1992 general election . This caused a popular demonstration in Bangkok, which ended with a bloody military crackdown . Bhumibol intervened in the event and signed an amnesty law, Suchinda then resigned. The 1997 Asian financial crisis originated in Thailand and ended
12296-712: Was a process that took very active participation of the people. The people frequently stormed government buildings and the military threatened yet another coup. Finally, in 2007, a civilian government led by the Thaksin-allied People's Power Party (PPP) was elected . Another protest led by PAD ended with the dissolution of PPP, and the Democrat Party led a coalition government in its place. The pro-Thaksin United Front for Democracy Against Dictatorship (UDD) protested both in 2009 and in 2010 ,
12412-532: Was autocratic; he built his legitimacy around the god-like status of the monarch and by channelling the government's loyalty to the king. His government improved the country's infrastructure and education. After the United States joined the Vietnam War in 1961, there was a secret agreement wherein the U.S. promised to protect Thailand. The period brought about increasing modernisation and Westernisation of Thai society. Rapid urbanisation occurred when
12528-437: Was described by academics as showing the rise of fascism. Bhumibol, the longest-reigning Thai king, died in 2016, and his son Vajiralongkorn ascended to the throne. The referendum and adoption of Thailand's current constitution happened under the junta's rule. The junta also bound future governments to a 20-year national strategy 'road map' it laid down, effectively locking the country into military-guided democracy . In 2019,
12644-616: Was in a brief conflict with Vichy France , resulting in Thailand gaining some Lao and Cambodian territories. On 8 December 1941, the Empire of Japan launched an invasion of Thailand , and fighting broke out shortly before Phibun ordered an armistice . Japan was granted free passage, and on 21 December Thailand and Japan signed a military alliance with a secret protocol, wherein the Japanese government agreed to help Thailand regain lost territories . The Thai government then declared war on
12760-410: Was later dismissed from his prime ministerial role on 14 August 2024 by the Constitutional Court for his "gross ethics violations." Totalling 513,120 square kilometres (198,120 sq mi), Thailand is the 50th-largest country by total area. Thailand comprises several distinct geographic regions, partly corresponding to the provincial groups. The north of the country is the mountainous area of
12876-610: Was met with nationalist sentiment and led eventually to the Siamese revolution of 1688 . However, overall relations remained stable, with French missionaries still active in preaching Christianity. After a bloody period of dynastic struggle, Ayutthaya entered into what has been called the Siamese " golden age ", a relatively peaceful episode in the second quarter of the 18th century when art , literature , and learning flourished. There were seldom foreign wars, apart from conflict with
12992-608: Was moved to Chiang Mai in 1262 by King Mangrai , which considered the foundation of the Lan Na kingdom. Mangrai unified the surrounding area and also created a network of states through political alliances to the east and north of the Mekong . His dynasty would rule the kingdom continuously for the next two centuries. Lan Na expanded its territory southward and annexed the Mon Hariphunchai of Dvaravati in 1292. In
13108-421: Was often forced to make territorial , trade, and legal concessions in unequal treaties. The Siamese system of government was centralised and transformed into a modern unitary absolute monarchy during the 1868–1910 reign of Chulalongkorn (Rama V). In World War I , Siam sided with the Allies , a political decision made in order to amend the unequal treaties. Following a bloodless revolution in 1932, it became
13224-498: Was the first king of the ruling Chakri dynasty and founder of the Rattanakosin Kingdom on 6 April 1782. Under Rama I (1782–1809), Rattanakosin successfully defended against Burmese attacks and put an end to Burmese incursions. He also created suzerainty over large portions of Laos and Cambodia. In 1821, Briton John Crawfurd was sent to negotiate a new trade agreement with Siam – the first sign of an issue which
13340-432: Was through conquest and political marriage. Before the end of the 15th century, Ayutthaya invaded the Khmer Empire three times and sacked its capital Angkor . Ayutthaya then became a regional power in place of the Khmer. Constant interference of Sukhothai effectively made it a vassal state of Ayutthaya and it was finally incorporated into the kingdom. Borommatrailokkanat brought about bureaucratic reforms which lasted into
13456-663: Was to dominate 19th century Siamese politics. Bangkok signed the Burney Treaty in 1826, after the British victory in the First Anglo-Burmese War . Anouvong of Vientiane, who mistakenly held the belief that Britain was about to launch an invasion of Bangkok, started the Lao rebellion in 1826 which was suppressed. Vientiane was destroyed and a large number of Lao people were relocated to Khorat Plateau as
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