Background Thailand, in 26 editions.

A unified Thai kingdom was established in the mid-14th century; it was known century. Known as Siam until 1939. 1939, Thailand is the only southeast Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US ally following the conflict.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US ally following the conflict. Thailand is currently facing armed violence in its three Muslim-majority southernmost provinces.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US ally following the conflict. Thailand is currently facing armed separatist violence in its three Muslim-majority southernmost southern ethnic Malay-Muslim provinces.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally following the conflict. A military coup in September 2006 ousted then Prime Minister THAKSIN Chinnawat. The interim government held elections in December 2007 that saw the former pro-THAKSIN People's Power Party (PPP) emerge at the head of a coalition government. The anti-THAKSIN People's Alliance for Democracy (PAD) in May 2008 began street demonstrations against the new government, eventually occupying the prime minister's office in August. Clashes in October 2008 between PAD protesters blocking parliament August and police resulted in the death of at least two people. The PAD occupied Bangkok's two international airports briefly, ending in November. The PAD ended their protests in early December 2008 following a court ruling that dissolved the ruling PPP and two other coalition parties for election violations. The Democrat Party then formed a new coalition government with the support of some of THAKSIN's former political allies, and ABHISIT Wetchachiwa became prime minister. In October 2008 THAKSIN went into voluntary exile to avoid imprisonment for a corruption conviction, and has since agitated his followers from abroad. THAKSIN supporters re-organized into the United Front for Democracy Against Dictatorship (UDD) and rioted in April 2009, shutting down an ASEAN meeting in Phuket, and in early 2010 protested a court verdict confiscating most of THAKSIN's wealth. Between March and May 2010, the UDD staged large protests and occupied several blocks of downtown Bangkok. A government operation to disperse the protesters after nine weeks led to clashes that resulted in 89 deaths and an estimated $1.5 billion in arson-related property losses. These protests exposed major cleavages in the Thai body politic which continue to hamper the current government. Since January 2004, thousands have been killed as separatists in Thailand's southern ethnic Malay-Muslim provinces increased the violence associated with their cause.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally following in 1954 after sending troops to Korea and fighting alongside the conflict. US in Vietnam. A military coup in September 2006 ousted then Prime Minister THAKSIN Chinnawat. The interim government held elections in December 2007 that elections saw the former pro-THAKSIN People's Power Party (PPP) emerge at the head of a coalition government. government that took office in February 2008. The anti-THAKSIN People's Alliance for Democracy (PAD) (PAD, aka yellow-shirts) in May 2008 began street demonstrations against the new government, eventually occupying the prime minister's office in August and Bangkok's two international airports in November. The PAD ended their protests in After an early December 2008 following a court ruling that dissolved the ruling PPP and two other coalition parties for election violations. The violations, the Democrat Party then formed a new coalition government and ABHISIT Wetchachiwa became prime minister. In October 2008 THAKSIN went into voluntary exile to avoid imprisonment for a corruption conviction, fled abroad in advance of an abuse of power conviction and has since agitated his followers from abroad. abroad since then. THAKSIN supporters re-organized into under the banner of the United Front for Democracy Against Dictatorship (UDD) and (UDD, aka red-shirts) rioted in April 2009, shutting down an ASEAN meeting in Phuket, and in early 2010 protested Pattaya. Following a February 2010 court verdict confiscating most half of THAKSIN's wealth. Between March and May 2010, frozen assets, the UDD staged large protests between March and May 2010, and occupied several blocks of downtown Bangkok. A government operation to disperse the protesters after nine weeks led to clashes that Clashes between security forces and protesters, elements of which were armed, resulted in 89 at least 92 deaths and an estimated $1.5 billion in arson-related property losses. These protests exposed major cleavages in the Thai body politic which that continue to hamper the current government. The ABHISIT administration has announced a plan for a general election some time in 2011 ahead of its full term by the year-end. Since January 2004, thousands have been killed as separatists in Thailand's southern ethnic Malay-Muslim provinces increased the violence associated with their cause.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US United States in Vietnam. A Thailand since 2005 has experienced several rounds of political turmoil including a military coup in September 2006 that ousted then Prime Minister THAKSIN Chinnawat. December 2007 elections saw the pro-THAKSIN People's Power Party (PPP) emerge at the head of a coalition government that took office in February 2008. The anti-THAKSIN People's Alliance for Democracy (PAD, aka yellow-shirts) in May 2008 began Chinnawat, followed by large-scale street demonstrations against the new government, eventually occupying the prime minister's office in August and Bangkok's two international airports in November. After an early December 2008 court ruling that dissolved the ruling PPP and two other coalition parties for election violations, the Democrat Party formed a new coalition government and ABHISIT Wetchachiwa became prime minister. In October 2008 THAKSIN fled abroad in advance of an abuse of power conviction and has agitated his followers from abroad since then. THAKSIN supporters under the banner of the United Front for Democracy Against Dictatorship (UDD, aka red-shirts) rioted protests by competing political factions in April 2008, 2009, shutting down an ASEAN meeting and 2010. Demonstrations in Pattaya. Following a February 2010 court verdict confiscating half of THAKSIN's frozen assets, the UDD staged large protests between March and May 2010, and occupied several blocks of downtown Bangkok. Clashes culminated with clashes between security forces and pro-THAKSIN protesters, elements of which were armed, and resulted in at least 92 deaths and an estimated $1.5 billion in arson-related property losses. These protests exposed major cleavages THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai body politic that continue Party to hamper an electoral win and assumed control of the current government. The ABHISIT administration has announced a plan for a general election some time YINGLAK's leadership was almost immediately challenged by historic flooding in late 2011 ahead that had large swathes of its full term by the year-end. country underwater and threatened to inundate Bangkok itself. Throughout 2012 the Puea Thai-led government struggled with the opposition Democrat Party to fulfill some its main election promises, including constitutional reform and political reconciliation. Since January 2004, thousands have been killed as separatists and wounded in Thailand's southern ethnic Malay-Muslim provinces increased the violence associated with their cause. the ethno-nationalist insurgency in Thailand's southern Malay-Muslim majority provinces.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the United States in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. Demonstrations in 2010 culminated with clashes between security forces and pro-THAKSIN protesters, elements of which were armed, and resulted in at least 92 deaths and an estimated $1.5 billion in arson-related property losses. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government. YINGLAK's leadership was almost immediately challenged by historic flooding in late 2011 that had large swathes of the country underwater and threatened to inundate Bangkok itself. Throughout 2012 the Puea Thai-led government struggled with the opposition Democrat Party to fulfill some of its main election promises, including constitutional reform and political reconciliation. Since January 2004, thousands have been killed and wounded in violence associated with the ethno-nationalist insurgency in Thailand's southern Malay-Muslim majority provinces.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over by a European power. A bloodless revolution in 1932 led to a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the United States in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. Demonstrations in 2010 culminated with clashes between security forces and pro-THAKSIN protesters, elements of which were armed, and resulted in at least 92 deaths and an estimated $1.5 billion in arson-related property losses. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government. YINGLAK's leadership was almost immediately challenged by historic flooding A blanket amnesty bill for individuals involved in late 2011 that had large swathes of the country underwater and threatened to inundate Bangkok itself. Throughout 2012 the Puea Thai-led government struggled with street protests, altered at the opposition Democrat Party last minute to fulfill some of its main election promises, including constitutional reform and include all political reconciliation. Since January 2004, thousands have been killed crimes - including all convictions against THAKSIN - triggered months of large-scale anti-government protests in Bangkok beginning in November 2013. In early May 2014 YINGLAK was removed from office and wounded in late May 2014 the Royal Thai Army staged a coup against the caretaker government. Thailand has also experienced violence associated with the ethno-nationalist insurgency in Thailand's southern Malay-Muslim majority provinces. Since January 2004, thousands have been killed and wounded in the insurgency.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been taken over colonized by a European power. A bloodless revolution in 1932 led to the establishment of a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the United States US in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government. A blanket amnesty bill for individuals involved in street protests, altered at the last minute to include all political crimes - including all convictions against THAKSIN - triggered months of large-scale anti-government protests in Bangkok beginning in November 2013. In early May 2014 YINGLAK was removed from office by the Constitutional Court and in late May 2014 the Royal Thai Army staged a coup against the caretaker government. The head of the Royal Thai Army, Gen. PRAYUT Chan-ocha, was appointed prime minister in August 2014. The interim military government created several interim institutions to promote reform and draft a new constitution. Elections are tentatively set for early 2016. Thailand has also experienced violence associated with the ethno-nationalist insurgency in Thailand's its southern Malay-Muslim majority provinces. Since January 2004, thousands have been killed and wounded in the insurgency.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been colonized by a European power. A bloodless revolution in 1932 led to the establishment of a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government. A blanket amnesty bill for individuals involved in street protests, altered at the last minute to include all political crimes - including all convictions against THAKSIN - triggered months of large-scale anti-government protests in Bangkok beginning in November 2013. In early May 2014 YINGLAK was removed from office by the Constitutional Court and in late May 2014 the Royal Thai Army staged a coup against the caretaker government. The head of the Royal Thai Army, Gen. PRAYUT Chan-ocha, was appointed prime minister in August 2014. The interim military government created several interim institutions to promote reform and draft a new constitution. Elections are tentatively set for early 2016. mid-2017. Thailand has also experienced violence associated with the ethno-nationalist insurgency in its southern Malay-Muslim majority provinces. Since January 2004, thousands have been killed and wounded in the insurgency.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been colonized by a European power. A bloodless revolution in 1932 led to the establishment of a constitutional monarchy. In alliance with Japan during World War II, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government. A blanket amnesty bill for individuals involved in street protests, altered at the last minute to include all political crimes - including all convictions against THAKSIN - triggered months of large-scale anti-government protests in Bangkok beginning in November 2013.
In early May 2014 2014, YINGLAK was removed from office by the Constitutional Court and in late May 2014 the Royal Thai Army, led by Royal Thai Army Gen. PRAYUT Chan-ocha, staged a coup against the caretaker government. The head of the Royal Thai Army, Gen. PRAYUT Chan-ocha, was appointed prime minister in August 2014. The interim military government created several interim institutions to promote reform and draft a new constitution. constitution, which was passed in a national referendum in August 2016. Elections are tentatively set for mid-2017. late-2018. King PHUMIPHON Adunyadet passed away in October 2016 after 70 years on the throne; his only son, WACHIRALONGKON Bodinthrathepphayawarangkun, ascended the throne in December 2016. He signed the new constitution in April 2017. Thailand has also experienced violence associated with the ethno-nationalist insurgency in its southern Malay-Muslim majority provinces. Since January 2004, thousands have been killed and wounded in the insurgency.

A unified Thai kingdom was established in the mid-14th century. Known as Siam until 1939, Thailand is the only Southeast Asian country never to have been colonized by a European power. A bloodless revolution in 1932 led to the establishment of a constitutional monarchy. In alliance with Japan during World War II, After the Japanese invaded Thailand in 1941, the government split into a pro-Japan faction and a pro-Ally faction backed by the King. Following the war, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government. A blanket amnesty bill for individuals involved in street protests, altered at the last minute to include all political crimes - including all convictions against THAKSIN - triggered In early May 2014, after months of large-scale anti-government protests in Bangkok beginning in November 2013.
In early May 2014, 2013, YINGLAK was removed from office by the Constitutional Court and in late May 2014 the Royal Thai Army, led by Royal Thai Army Gen. PRAYUT Chan-ocha, staged a coup against the caretaker government. PRAYUT was appointed prime minister in August 2014. The PRAYUT also serves as the head of the National Council for Peace and Order (NCPO), a military-affiliated body that oversees the interim military government government. This body created several interim institutions to promote reform and draft a new constitution, which was passed in a national referendum in August 2016. Elections are tentatively set for late-2018. In late 2017, PRAYUT announced elections would be held by November 2018; he has subsequently suggested they might occur in February 2019. As of mid-December 2018, a previoulsy held ban on campaigning and political activity has been lifted and per parliamentary laws, an election must be held within 150 days. King PHUMIPHON Adunyadet passed away in October 2016 after 70 years on the throne; his only son, WACHIRALONGKON Bodinthrathepphayawarangkun, ascended the throne in December 2016. He signed the new constitution in April 2017. Thailand has also experienced violence associated with the ethno-nationalist insurgency in its southern Malay-Muslim majority provinces. Since January 2004, thousands have been killed and wounded in the insurgency.

A Two unified Thai kingdoms emerged in the mid-13th century. The Sukhothai, located in the south-central plains, gained its independence from the Khmer empire to the east. By the late 13th century, Sukhothai’s territory extended into present-day Burma and Laos. Sukhotai lasted until the mid-15th century. The Thai Lan Na kingdom was established in the mid-14th north with its capital at Chang Mai. Lan Na was conquered by the Burmese in the 16th century. Known The Ayutthaya kingdom (14th-18th centuries) succeeded the Sukhothai and would become known as Siam until 1939, Thailand the Siamese Kingdom. During the Ayutthaya period, the Thai/Siamese peoples consolidated their hold on what is present-day central and north-central Thailand. Following a military defeat at the only Southeast Asian country never hands of the Burmese in 1767, the Siamese Kingdom rose to have new heights under the military ruler TAKSIN, who defeated the Burmese occupiers and expanded the kingdom’s territory into modern-day northern Thailand (formerly the Lan Na kingdom), Cambodia, Laos, and the Malay Peninsula. The kingdom fought off additional Burmese invasions and raids in the late 1700s and early 1800s. In the mid-1800s, Western pressure led to Siam signing trade treaties that reduced the country’s sovereignty and independence. In the 1890s and 1900s, the British and French forced the kingdom to cede Cambodian, Laotian, and Malay territories that had been colonized by a European power. under Siamese control.
A bloodless revolution in 1932 led to the establishment of a constitutional monarchy. After the Japanese invaded Thailand in 1941, the government split into a pro-Japan faction and a pro-Ally faction backed by the King. king. Following the war, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government.
In early May 2014, after months of large-scale anti-government protests in Bangkok beginning in November 2013, YINGLAK was removed from office by the Constitutional Court and in late May 2014 the Royal Thai Army, led by Royal Thai Army Gen. PRAYUT Chan-ocha, staged a coup against the caretaker government. PRAYUT was appointed prime minister in August 2014. PRAYUT also serves as the head of the The military-affiliated National Council for Peace and Order (NCPO), a military-affiliated body that oversees led by PRAYUT as the interim government. This body created several interim institutions to promote reform and draft a new constitution, appointed minister, ruled the country for more than four years, during which was passed in time the NCPO drafted a national referendum new constitution guaranteeing military sway over Thai politics in August 2016. In late 2017, PRAYUT announced future elections would be held by November 2018; he has subsequently suggested they might occur in February 2019. As of mid-December 2018, a previoulsy held ban on campaigning allowing the military to appoint the entire 250 member Senate and political activity has been lifted requiring a joint meeting of the House and per parliamentary laws, an election must be held within 150 days. Senate to select the prime minister, effectively giving the military a veto over the top executive. King PHUMIPHON Adunyadet passed away in October 2016 after 70 years on the throne; his only son, WACHIRALONGKON Bodinthrathepphayawarangkun, Bodinthrathepphayawarangkun (aka King Rama X), ascended the throne in December 2016. He signed the new constitution in April 2017. Thailand has also experienced violence associated with the ethno-nationalist insurgency A long-delayed election in its southern Malay-Muslim majority provinces. Since January 2004, thousands have been killed March 2019, disputed and wounded widely viewed as skewed in favor of the insurgency. party aligned with the military, allowed PRAYUT to continue his premiership. The country experienced large-scale pro-democracy protests in 2020.

Two unified Thai kingdoms emerged in the mid-13th century. The Sukhothai, located in the south-central plains, gained its independence from the Khmer empire Empire to the east. By the late 13th century, Sukhothai’s territory extended into present-day Burma and Laos. Sukhotai lasted until the mid-15th century. The Thai Lan Na kingdom Kingdom was established in the north with its capital at Chang Mai. Lan Na was conquered by the Burmese in the 16th century. The Ayutthaya kingdom Kingdom (14th-18th centuries) succeeded the Sukhothai and would become known as the Siamese Kingdom. During the Ayutthaya period, the Thai/Siamese peoples consolidated their hold on what is present-day central and north-central Thailand. Following a military defeat at the hands of the Burmese in 1767, the Siamese Kingdom rose to new heights under the military ruler TAKSIN, who defeated the Burmese occupiers and expanded the kingdom’s territory into modern-day northern Thailand (formerly the Lan Na kingdom), Kingdom), Cambodia, Laos, and the Malay Peninsula. The kingdom fought off additional Burmese invasions and raids in the late 1700s and early 1800s. In the mid-1800s, Western pressure led to Siam signing trade treaties that reduced the country’s sovereignty and independence. In the 1890s and 1900s, the British and French forced the kingdom to cede Cambodian, Laotian, and Malay territories that had been under Siamese control.
A bloodless revolution in 1932 led to the establishment of a constitutional monarchy. After the Japanese invaded Thailand in 1941, the government split into a pro-Japan faction and a pro-Ally faction backed by the king. Following the war, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government.
In early May 2014, after months of large-scale anti-government protests in Bangkok beginning in November 2013, YINGLAK was removed from office by the Constitutional Court and in late May 2014 the Royal Thai Army, led by Royal Thai Army Gen. PRAYUT Chan-ocha, staged a coup against the caretaker government. The military-affiliated National Council for Peace and Order (NCPO), led by PRAYUT as the appointed minister, ruled the country for more than four years, during which time the NCPO drafted a new constitution guaranteeing military sway over Thai politics in future elections by allowing the military to appoint the entire 250 member 250-member Senate and requiring a joint meeting of the House and Senate to select the prime minister, effectively giving the military a veto over the top executive. King PHUMIPHON Adunyadet passed away in October 2016 after 70 years on the throne; his only son, WACHIRALONGKON Bodinthrathepphayawarangkun (aka King Rama RAMA X), ascended the throne in December 2016. He signed the new constitution in April 2017. A long-delayed election in March 2019, disputed and widely viewed as skewed in favor of the party aligned with the military, allowed PRAYUT to continue his premiership. The country experienced large-scale pro-democracy protests in 2020.

Two unified Thai kingdoms emerged in the mid-13th century. The Sukhothai, located in the south-central plains, gained its independence from the Khmer Empire to the east. By the late 13th century, Sukhothai’s territory extended into present-day Burma and Laos. Sukhotai Sukhothai lasted until the mid-15th century. The Thai Lan Na Kingdom was established in the north with its capital at Chang Mai. Lan Na was conquered by the Burmese in the 16th century. The Ayutthaya Kingdom (14th-18th centuries) succeeded the Sukhothai and would become known as the Siamese Kingdom. During the Ayutthaya period, the Thai/Siamese peoples consolidated their hold on what is present-day central and north-central Thailand. Following a military defeat at the hands of the Burmese in 1767, the Siamese Kingdom rose to new heights under the military ruler TAKSIN, who defeated the Burmese occupiers and expanded the kingdom’s territory into modern-day northern Thailand (formerly the Lan Na Kingdom), Cambodia, Laos, and the Malay Peninsula. The kingdom fought off additional Burmese invasions and raids in the late 1700s and early 1800s. In the mid-1800s, Western pressure led to Siam signing trade treaties that reduced the country’s sovereignty and independence. In the 1890s and 1900s, the British and French forced the kingdom to cede Cambodian, Laotian, and Malay territories that had been under Siamese control.
A bloodless revolution in 1932 led to the establishment of a constitutional monarchy. After the Japanese invaded Thailand in 1941, the government split into a pro-Japan faction and a pro-Ally pro-Allied faction backed by the king. Following the war, Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. Thailand since 2005 has experienced several rounds of political turmoil including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by large-scale street protests by competing political factions in 2008, 2009, and 2010. THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government.
In early May 2014, after months of large-scale anti-government protests in Bangkok beginning in November 2013, YINGLAK was removed from office by the Constitutional Court and in late May 2014 the Royal Thai Army, led by Royal Thai Army Gen. PRAYUT Chan-ocha, staged a coup against the caretaker government. The military-affiliated National Council for Peace and Order (NCPO), led by PRAYUT as the appointed minister, ruled the country for more than four years, during which time the NCPO drafted a new constitution guaranteeing military sway over Thai politics in future elections by allowing the military to appoint the entire 250-member Senate and requiring a joint meeting of the House and Senate to select the prime minister, effectively giving the military a veto over the choice for the top executive. King PHUMIPHON Adunyadet passed away in October 2016 after 70 years on the throne; his only son, WACHIRALONGKON Bodinthrathepphayawarangkun (aka King RAMA X), formally ascended the throne in December 2016. 2019. He signed the new constitution in April 2017. A long-delayed election in March 2019, disputed and widely viewed as skewed in favor of the party aligned with the military, allowed PRAYUT to continue his premiership. The country experienced large-scale pro-democracy anti-government protests in 2020. Following the 2023 elections, Srettha THRAVISIN replaced PRAYUT as prime minister when PRAYUT's supporting royalist-military parties were defeated by a coalition of populist and progressive parties.

Two unified Thai kingdoms emerged in the mid-13th century. The Sukhothai, Sukhothai Kingdom, located in the south-central plains, gained its independence from the Khmer Empire to the east. By the late 13th century, Sukhothai’s territory extended into present-day Burma and Laos. Sukhothai lasted until the mid-15th century. The Thai Lan Na Kingdom was established in the north with its capital at Chang Mai. Lan Na was conquered by Mai; the Burmese conquered Lan Na in the 16th century. The Ayutthaya Kingdom (14th-18th centuries) succeeded the Sukhothai and would become known as the Siamese Kingdom. During the Ayutthaya period, the Thai/Siamese peoples consolidated their hold on what is present-day central and north-central Thailand. Following a military defeat at the hands of the Burmese in 1767, the Siamese Kingdom rose to new heights under the military ruler TAKSIN, who defeated the Burmese occupiers and expanded the kingdom’s territory into modern-day northern Thailand (formerly the Lan Na Kingdom), Cambodia, Laos, and the Malay Peninsula. The kingdom fought off additional Burmese invasions and raids in the late 1700s and early 1800s. In the mid-1800s, Western pressure led to Siam signing trade treaties that reduced the country’s sovereignty and independence. In the 1890s and 1900s, the British and French forced the kingdom to cede Cambodian, Laotian, and Malay territories that had been under Siamese control.
A Following a bloodless revolution in 1932 that led to the establishment of a constitutional monarchy. After the Japanese invaded Thailand in 1941, the government split into monarchy, Thailand's political history was marked by a pro-Japan faction series of mostly bloodless coups with power concentrated among military and bureaucratic elites. Periods of civilian rule were unstable. The Cold War era saw a pro-Allied faction backed by communist insurgency and the king. rise of strongman leaders. Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. In the 21st century, Thailand since 2005 has experienced several rounds of political turmoil additional turmoil, including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat, followed by Chinnawat and large-scale street protests led by competing political factions in 2008, 2009, and 2010. 2008-2010. In 2011, THAKSIN's youngest sister, YINGLAK Chinnawat, in 2011 led the Puea Thai Party to an electoral win and assumed control of the government.
In early May 2014, after months of large-scale major anti-government protests in Bangkok beginning in November 2013, YINGLAK was removed from office by Bangkok, the Constitutional Court removed YINGLAK from office, and in late May 2014 the Royal Thai Army, led by Gen. PRAYUT Chan-ocha, then staged a coup against the caretaker government. The military-affiliated National Council for Peace and Order (NCPO), led by PRAYUT as the appointed minister, (NCPO) ruled the country under PRAYUT for more than four years, during which time the NCPO drafted drafting a new constitution guaranteeing military sway over Thai politics in future elections by allowing that allowed the military to appoint the entire 250-member Senate and requiring required a joint meeting of the House and Senate to select the prime minister, minister -- which effectively giving gave the military a veto over the choice for on the top executive. selection. King PHUMIPHON Adunyadet passed away in October 2016 after 70 years on the throne; his only son, WACHIRALONGKON (aka King RAMA X), formally ascended the throne in December 2019. He signed the new constitution in April 2017. A The same year, a long-delayed election in March 2019, allowed PRAYUT to continue his premiership, although the results were disputed and widely viewed as skewed in favor of the party aligned with the military, allowed PRAYUT to continue his premiership. military. The country again experienced large-scale major anti-government protests in 2020. Following The reformist Move Forward Party won the most seats in the 2023 elections, election but was unable to form a government, and Srettha THRAVISIN from the Pheu Thai Party replaced PRAYUT as prime minister when PRAYUT's supporting royalist-military parties were defeated by after forming a coalition of populist moderate and progressive conservative parties.