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The Southeast Asia Treaty Organization (SEATO) was an
international organization An international organization or international organisation (see spelling differences), also known as an intergovernmental organization or an international institution, is a stable set of norms and rules meant to govern the behavior of states a ...
for
collective defense Collective security can be understood as a security arrangement, political, regional, or global, in which each state in the system accepts that the security of one is the concern of all, and therefore commits to a collective response to threats t ...
in
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...
created by the Southeast Asia Collective Defense Treaty, or Manila Pact, signed in September 1954 in
Manila Manila ( , ; fil, Maynila, ), officially the City of Manila ( fil, Lungsod ng Maynila, ), is the capital of the Philippines, and its second-most populous city. It is highly urbanized and, as of 2019, was the world's most densely populated ...
, the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
. The formal institution of SEATO was established on 19 February 1955 at a meeting of treaty partners in
Bangkok Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populati ...
, Thailand. The organization's headquarters was also in Bangkok. Eight members joined the organization. Primarily created to block further
communist Communism (from Latin la, communis, lit=common, universal, label=none) is a far-left sociopolitical, philosophical, and economic ideology and current within the socialist movement whose goal is the establishment of a communist society, ...
gains in Southeast Asia, SEATO is generally considered a failure because internal conflict and dispute hindered general use of the SEATO military; however, SEATO-funded cultural and educational programs left longstanding effects in Southeast Asia. SEATO was dissolved on 30 June 1977 after many members lost interest and withdrew.


Origins and structure

The Southeast Asia Collective Defense Treaty, or Manila Pact, was signed on 8 September 1954 in
Manila Manila ( , ; fil, Maynila, ), officially the City of Manila ( fil, Lungsod ng Maynila, ), is the capital of the Philippines, and its second-most populous city. It is highly urbanized and, as of 2019, was the world's most densely populated ...
, as part of the American
Truman Doctrine The Truman Doctrine is an American foreign policy that pledged American "support for democracies against authoritarian threats." The doctrine originated with the primary goal of containing Soviet geopolitical expansion during the Cold War. It wa ...
of creating anti-communist bilateral and collective defense treaties. These treaties and agreements were intended to create alliances that would keep communist powers in check ( Communist China, in SEATO's case). This policy was considered to have been largely developed by American diplomat and Soviet expert
George F. Kennan George Frost Kennan (February 16, 1904 – March 17, 2005) was an American diplomat and historian. He was best known as an advocate of a policy of containment of Soviet expansion during the Cold War. He lectured widely and wrote scholarly hist ...
. President Dwight D. Eisenhower's Secretary of State
John Foster Dulles John Foster Dulles (, ; February 25, 1888 – May 24, 1959) was an American diplomat, lawyer, and Republican Party politician. He served as United States Secretary of State under President Dwight D. Eisenhower from 1953 to 1959 and was briefly ...
(1953–1959) is considered to be the primary force behind the creation of SEATO, which expanded the concept of anti-communist collective defense to Southeast Asia. Then-Vice President
Richard Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...
advocated an Asian equivalent of the North Atlantic Treaty Organization (
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two N ...
) upon returning from his Asia trip of late 1953, and NATO was the model for the new organization, with the military forces of each member intended to be coordinated to provide for the collective defense of the member states. The organization, headquartered in
Bangkok Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populati ...
, was created in 1955 at the first meeting of the Council of Ministers set up by the treaty, contrary to Dulles's preference to call the organization "ManPac". Organizationally, SEATO was headed by the Secretary General, whose office was created in 1957 at a meeting in
Canberra Canberra ( ) is the capital city of Australia. Founded following the federation of the colonies of Australia as the seat of government for the new nation, it is Australia's largest inland city and the eighth-largest city overall. The ci ...
, with a council of representatives from member states and an international staff. Also present were committees for economics, security, and information. SEATO's first Secretary General was
Pote Sarasin Pote Sarasin ( th, พจน์ สารสิน, , ; 25 March 1905 – 28 September 2000) was the 9th Prime Minister of Thailand from the influential Sarasin family. He served as foreign minister from 1949 to 1950 and then served as ambassa ...
, a Thai diplomat and politician who had served as Thailand's ambassador to the U.S. between 1952 and 1957, and as
Prime Minister of Thailand The prime minister of Thailand ( th, นายกรัฐมนตรี, , ; literally 'chief minister of state') is the head of government of Thailand. The prime minister is also the chair of the Cabinet of Thailand. The post has existed s ...
from September 1957 to 1 January 1958. Unlike the
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two N ...
alliance, SEATO had no joint commands with standing forces. In addition, SEATO's response protocol in the event of communism presenting a "common danger" to the member states was vague and ineffective, though membership in the SEATO alliance did provide a rationale for a large-scale U.S. military intervention in the region during the
Vietnam War The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...
(1955–1975).


Membership

Despite its name, SEATO mostly included countries located outside of the region but with an interest either in the region or the organization itself. They were
Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...
(which administered
Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...
),
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 ...
(which had recently relinquished
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, ...
),
New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...
,
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
(which until 1971 included
East Pakistan East Pakistan was a Pakistani province established in 1955 by the One Unit Policy, renaming the province as such from East Bengal, which, in modern times, is split between India and Bangladesh. Its land borders were with India and Myanmar, wit ...
, now
Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mo ...
), the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
,
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 ...
, the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...
(which administered
Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a List of cities in China, city and Special administrative regions of China, special ...
,
North Borneo (I persevere and I achieve) , national_anthem = , capital = Kudat (1881–1884);Sandakan (1884–1945);Jesselton (1946) , common_languages = English, Kadazan-Dusun, Bajau, Murut, Sabah Malay, Chinese etc. , ...
and
Sarawak Sarawak (; ) is a state of Malaysia. The largest among the 13 states, with an area almost equal to that of Peninsular Malaysia, Sarawak is located in northwest Borneo Island, and is bordered by the Malaysian state of Sabah to the northeast, ...
) 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., ...
. The Philippines and Thailand were the only
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...
n countries that actually participated in the organization. They shared close ties with the United States, particularly the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
, and they faced incipient communist insurgencies against their own governments.
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 ...
became a member upon the discovery of the newly founded "Thai Autonomous Region" in
Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...
(the
Xishuangbanna Dai Autonomous Prefecture Xishuangbanna, Sibsongbanna or Sipsong Panna ( Tham: , New Tai Lü script: ; ; th, สิบสองปันนา; lo, ສິບສອງພັນນາ; shn, သိပ်းသွင်ပၼ်းၼႃး; my, စစ်ဆောင် ...
in South West China) – apparently feeling threatened by potential
Maoist Maoism, officially called Mao Zedong Thought by the Chinese Communist Party, is a variety of Marxism–Leninism that Mao Zedong developed to realise a socialist revolution in the agricultural, pre-industrial society of the Republic of Ch ...
subversion on its land. Other regional countries like
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
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Gui ...
were far more mindful of domestic internal stability rather than any communist threat, and thus rejected joining it. Malaya (independence in 1957; including
Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, bor ...
between 1963 and 1965) also chose not to participate formally, though it was kept updated with key developments due to its close relationship with the United Kingdom. The states newly formed from
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, ...
(
North Vietnam North Vietnam, officially the Democratic Republic of Vietnam (DRV; vi, Việt Nam Dân chủ Cộng hòa), was a socialist state supported by the Soviet Union (USSR) and the People's Republic of China (PRC) in Southeast Asia that existed f ...
,
South Vietnam South Vietnam, officially the Republic of Vietnam ( vi, Việt Nam Cộng hòa), was a state in Southeast Asia that existed from 1955 to 1975, the period when the southern portion of Vietnam was a member of the Western Bloc during part of th ...
,
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 ...
) were prevented from taking part in any international military alliance as a result of the
Geneva Agreements The Geneva Conference, intended to settle outstanding issues resulting from the Korean War and the First Indochina War, was a conference involving several nations that took place in Geneva, Switzerland, from 26 April to 20 July 1954. The part o ...
signed 20 July of the same year concluding the end of the
First Indochina War The First Indochina War (generally known as the Indochina War in France, and as the Anti-French Resistance War in Vietnam) began in French Indochina from 19 December 1946 to 20 July 1954 between France and Việt Minh (Democratic Republic of Vi ...
. However, with the lingering threat coming from communist
North Vietnam North Vietnam, officially the Democratic Republic of Vietnam (DRV; vi, Việt Nam Dân chủ Cộng hòa), was a socialist state supported by the Soviet Union (USSR) and the People's Republic of China (PRC) in Southeast Asia that existed f ...
and the possibility of the
domino theory The domino theory is a geopolitical theory which posits that increases or decreases in democracy in one country tend to spread to neighboring countries in a domino effect. It was prominent in the United States from the 1950s to the 1980s in t ...
with
Indochina Mainland Southeast Asia, also known as the Indochinese Peninsula or Indochina, is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to the west an ...
turning into a communist frontier, SEATO got these countries under its protection – an act that would be considered to be one of the main justifications for the U.S. involvement in the
Vietnam War The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...
. Cambodia, however rejected the protection in 1956. The majority of SEATO members were not located in
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...
. To Australia and New Zealand, SEATO was seen as a more satisfying organization than
ANZUS The Australia, New Zealand, United States Security Treaty (ANZUS or ANZUS Treaty) is a 1951 non-binding collective security agreement between Australia and New Zealand and, separately, Australia and the United States, to co-operate on milita ...
– a collective defense organization with the U.S. The United Kingdom and France joined partly due to having long maintained colonies in the region, and partly due to concerns over developments in
Indochina Mainland Southeast Asia, also known as the Indochinese Peninsula or Indochina, is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to the west an ...
. The U.S., upon perceiving Southeast Asia to be a pivotal frontier for
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because t ...
geopolitics, saw the establishment of SEATO as essential to its
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because t ...
containment policy Containment was a geopolitical strategic foreign policy pursued by the United States during the Cold War to prevent the spread of communism after the end of World War II. The name was loosely related to the term '' cordon sanitaire'', whic ...
. The membership reflected a mid-1950s combination of anti-communist Western states and such states in Southeast Asia. The United Kingdom, France and the United States, the latter of which joined after the U.S. Senate ratified the treaty by an 82–1 vote, represented the strongest Western powers.
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...
also considered joining, but decided against it in order to concentrate on its NATO responsibilities.


Budget

Average of contributions to civil and military budgets between 1958 and 1973: * United States: 24% * United Kingdom: 16% * France: 13.5% * Australia: 13.5% * Pakistan: 8% * Philippines: 8% * Thailand: 8% * New Zealand: 8%


Secretaries-General

Secretaries-General of SEATO:


Military aspects

After its creation, SEATO quickly became insignificant militarily, as most of its member nations contributed very little to the alliance. While SEATO military forces held joint military training, they were never employed because of internal disagreements. SEATO was unable to intervene in conflicts in Laos because France and the United Kingdom rejected the use of military action. As a result, the U.S. provided unilateral support for Laos after 1962. Though sought by the U.S., involvement of SEATO in the
Vietnam War The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...
was denied because of lack of British and French cooperation. Both the United States and Australia cited the alliance as justification for involvement in Vietnam. U.S. membership in SEATO provided the United States with a rationale for a large-scale U.S. military intervention in Southeast Asia. Other countries, such as the UK and key nations in Asia, accepted the rationale. In 1962, as part of its commitment to SEATO, the
Royal Australian Air Force "Through Adversity to the Stars" , colours = , colours_label = , march = , mascot = , anniversaries = RAAF Anniversary Commemoration ...
deployed CAC Sabres of its No. 79 Squadron to Ubon Royal Thai Air Force Base, Thailand. The Sabres began to play a role in the Vietnam War in 1965, when their air defence responsibilities expanded to include protection of
USAF The United States Air Force (USAF) is the Aerial warfare, air military branch, service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part ...
aircraft using Ubon as a base for strikes against North Vietnam.


Cultural effects

In addition to joint military training, SEATO member states worked on improving mutual social and economic issues. Such activities were overseen by SEATO's Committee of Information, Culture, Education, and Labor Activities, and proved to be some of SEATO's greatest successes. In 1959, SEATO's first Secretary General, Pote Sarasin, created the SEATO Graduate School of Engineering (currently the
Asian Institute of Technology The Asian Institute of Technology (AIT), founded in 1959, is an international organization for higher education situated 40km north of Bangkok, Thailand. It specializes in engineering, advanced technologies, sustainable development, and manage ...
) in Thailand to train engineers. SEATO also sponsored the creation of the Teacher Development Center in Bangkok, as well as the Thai Military Technical Training School, which offered technical programs for supervisors and workmen. SEATO's Skilled Labor Project (SLP) created artisan training facilities, especially in Thailand, where ninety-one training workshops were established. SEATO also provided research funding and grants in agriculture and medical fields. In 1959, SEATO set up the Cholera Research Laboratory in Bangkok, later establishing a second Cholera Research Laboratory in
Dhaka Dhaka ( or ; bn, ঢাকা, Ḍhākā, ), List of renamed places in Bangladesh, formerly known as Dacca, is the Capital city, capital and List of cities and towns in Bangladesh, largest city of Bangladesh, as well as the world's largest ...
,
East Pakistan East Pakistan was a Pakistani province established in 1955 by the One Unit Policy, renaming the province as such from East Bengal, which, in modern times, is split between India and Bangladesh. Its land borders were with India and Myanmar, wit ...
. The Dhaka laboratory soon became the world's leading
cholera Cholera is an infection of the small intestine by some strains of the bacterium '' Vibrio cholerae''. Symptoms may range from none, to mild, to severe. The classic symptom is large amounts of watery diarrhea that lasts a few days. Vomiting an ...
research facility and was later renamed the
International Centre for Diarrhoeal Disease Research, Bangladesh ICDDR,B (formerly known as the International Centre for Diarrhoeal Disease Research, Bangladesh) is an international health research organisation located in Dhaka, Bangladesh. Dedicated to saving lives through research and treatment, ICDDR,B a ...
. SEATO was also interested in literature, and a SEATO Literature Award was created and given to writers from member states.


Criticism and dissolution

Though Secretary of State
John Foster Dulles John Foster Dulles (, ; February 25, 1888 – May 24, 1959) was an American diplomat, lawyer, and Republican Party politician. He served as United States Secretary of State under President Dwight D. Eisenhower from 1953 to 1959 and was briefly ...
considered SEATO an essential element in U.S. foreign policy in Asia, historians have considered the Manila Pact a failure, and the pact is rarely mentioned in history books. In ''The Geneva Conference of 1954 on Indochina'', Sir James Cable, a diplomat and naval strategist, described SEATO as "a fig leaf for the nakedness of American policy", citing the Manila Pact as a "zoo of
paper tiger "Paper tiger" is a literal English translation of the Chinese phrase ''zhǐlǎohǔ'' ( zh, s=纸老虎, t=紙老虎). The term refers to something or someone that claims or appears to be powerful or threatening, but is actually ineffectual and ...
s". As early as the 1950s
Aneurin Bevan Aneurin "Nye" Bevan PC (; 15 November 1897 – 6 July 1960) was a Welsh Labour Party politician, noted for tenure as Minister of Health in Clement Attlee's government in which he spearheaded the creation of the British National Heal ...
unsuccessfully tried to block SEATO in the
British Parliament The Parliament of the United Kingdom is the supreme legislative body of the United Kingdom, the Crown Dependencies and the British Overseas Territories. It meets at the Palace of Westminster, London. It alone possesses legislative suprem ...
, at one point interrupting a parliamentary debate between Foreign Secretary
Anthony Eden Robert Anthony Eden, 1st Earl of Avon, (12 June 1897 – 14 January 1977) was a British Conservative Party politician who served as Prime Minister of the United Kingdom from 1955 until his resignation in 1957. Achieving rapid promo ...
and Leader of the Opposition
Clement Attlee Clement Richard Attlee, 1st Earl Attlee, (3 January 18838 October 1967) was a British politician who served as Prime Minister of the United Kingdom from 1945 to 1951 and Leader of the Labour Party from 1935 to 1955. He was Deputy Prime Mini ...
to excoriate them both for considering the idea. In the early 1970s, the question of dissolving the organization arose.
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
withdrew in 1973, after
East Pakistan East Pakistan was a Pakistani province established in 1955 by the One Unit Policy, renaming the province as such from East Bengal, which, in modern times, is split between India and Bangladesh. Its land borders were with India and Myanmar, wit ...
seceded and became
Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mo ...
on 16 December 1971.
South Vietnam South Vietnam, officially the Republic of Vietnam ( vi, Việt Nam Cộng hòa), was a state in Southeast Asia that existed from 1955 to 1975, the period when the southern portion of Vietnam was a member of the Western Bloc during part of th ...
was defeated in war by
North Vietnam North Vietnam, officially the Democratic Republic of Vietnam (DRV; vi, Việt Nam Dân chủ Cộng hòa), was a socialist state supported by the Soviet Union (USSR) and the People's Republic of China (PRC) in Southeast Asia that existed f ...
and France withdrew financial support in 1975, and the SEATO council agreed to the phasing-out of the organization. After a final exercise on 20 February 1976, the organization was formally dissolved on 30 June 1977 during the
Carter Administration Jimmy Carter's tenure as the 39th president of the United States began with his inauguration on January 20, 1977, and ended on January 20, 1981. A  Democrat from Georgia, Carter took office after defeating incumbent Republican Preside ...
.


See also

* San Francisco System * Australia, New Zealand, United States Security Treaty (ANZUS) * Security Treaty Between the United States and Japan * Mutual Defense Treaty (United States–South Korea) * Mutual Defense Treaty (United States–Taiwan) *
Mutual Defense Treaty (United States–Philippines) The Mutual Defense Treaty between the Republic of the Philippines and the United States of America (MDT) is a treaty that was signed on August 30, 1951, in Washington, D.C., between representatives of the Philippines and the United States. The ...
* Thanat–Rusk Communiqué * Middle East Treaty Organization (METO) * Northeast Asia Treaty Organization (NEATO) *
Five Power Defence Arrangements The Five Power Defence Arrangements (FPDA) are a series of bilateral defence relationships established by a series of multi-lateral agreements between Australia, Malaysia, New Zealand, Singapore, and the United Kingdom, all of which are Commonw ...
(FPDA)


Notes


References

* * * * * * * * * * * * * *


Further reading

* Buszynski, Leszek. ''SEATO: The Failure of an Alliance Strategy''. Singapore: Singapore University Press, 1983. * *Fenton, Damien Marc. "SEATO and the Defence of Southeast Asia 1955-65," doctoral thesis,
University of New South Wales The University of New South Wales (UNSW), also known as UNSW Sydney, is a public research university based in Sydney, New South Wales, Australia. It is one of the founding members of Group of Eight, a coalition of Australian research-intensiv ...
at the
Australian Defence Force Academy The Australian Defence Force Academy (ADFA) is a tri-service military Academy that provides military and academic education for junior officers of the Australian Defence Force in the Royal Australian Navy (RAN), Australian Army and Royal Au ...
, 2006. Discusses SEATO military planning. * *


External links


Copy of the Southeast Asia Collective Defense Treaty (Manila Pact); 8 September 1954
from
Yale Law School Yale Law School (Yale Law or YLS) is the law school of Yale University, a private research university in New Haven, Connecticut. It was established in 1824 and has been ranked as the best law school in the United States by '' U.S. News & World ...
* {{Authority control 20th-century military alliances Military units and formations established in 1954 Military units and formations disestablished in 1977 Organizations based in Bangkok 1954 in the United States Cold War alliances and military strategy Cold War treaties Former international organizations Military history of Southeast Asia Anti-communist organizations International military organizations Intergovernmental organizations established by treaty Military alliances involving Australia Military alliances involving France Military alliances involving New Zealand Military alliances involving Pakistan Military alliances involving the Philippines Military alliances involving Thailand Military alliances involving the United Kingdom Military alliances involving the United States Military history of Cambodia Military history of Laos South Vietnam–United States relations Australia–Vietnam military relations Australia–New Zealand military relations Australia–United States military relations Australia–United Kingdom relations France–Thailand military relations France–United Kingdom military relations France–United States military relations Laos–Vietnam military relations Laos–United States military relations New Zealand–United Kingdom military relations New Zealand–United States military relations New Zealand–Vietnam military relations Pakistan–United States military relations Philippines–United States military relations Philippines–Vietnam military relations Thailand–United Kingdom military relations Thailand–United States military relations Thailand–Vietnam military relations United Kingdom–United States military relations United States–Vietnam military relations 1977 disestablishments in Asia