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Baghdad Pact & CENTO: Cold War Alliance History Timeline

📅 Updated: 3 November 2026📖 10 dated entries, 1955–1979✎ By Nazish Fatima
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In short

Explore the complete history of the Baghdad Pact and CENTO, a Cold War alliance formed to counter Soviet influence in the Middle East, from its 1955

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The Baghdad Pact, formed in 1955, was a Western-backed security alliance designed to contain Soviet influence across the Middle East. Initially linking Iraq and Turkey, it soon included the United Kingdom, Pakistan and Iran. After Iraq withdrew in 1959, the alliance was renamed the Central Treaty Organization (CENTO). Despite Western military and economic support, CENTO struggled with regional rivalries, weak collective-defence arrangements and the absence of a common command structure. The Iranian Revolution and Pakistan’s withdrawal in 1979 effectively ended the alliance.

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💡 Short Answer

The Baghdad Pact was a 1955 Cold War security agreement between Iraq, Turkey, the United Kingdom, Pakistan and Iran, aimed at containing Soviet influence in the Middle East and South Asia. The United States supported it but never became a full treaty member. After a 1958 coup overthrew Iraq’s monarchy, Iraq withdrew in March 1959 and the alliance was renamed the Central Treaty Organization (CENTO), with its headquarters moving to Ankara. CENTO never built an integrated military command, gave Pakistan no real support in its 1965 and 1971 wars with India, and collapsed in March 1979, when revolutionary Iran withdrew on 11 March and Pakistan followed on 12 March; it was formally dissolved on 26 September 1979.

⚡ Baghdad Pact & CENTO at a Glance
Founded24 Feb 1955, Baghdad
Founding membersIraq, Turkey, UK, Pakistan, Iran
Iraq withdrawsMarch 1959
Renamed CENTO19 Aug 1959, HQ Ankara
Pakistan withdraws12 March 1979
Formally dissolved26 September 1979
⚡ Quick Answers — AI Overview Ready

Baghdad Pact & CENTO: Key Questions

What was the Baghdad Pact?
A Cold War security alliance signed 24 February 1955 by Iraq and Turkey, later joined by the UK, Pakistan and Iran, intended to contain Soviet expansion toward the Middle East and South Asia.
Was the United States a member of CENTO?
No. The US supported the alliance and joined its Economic and Military Committees, but never signed the treaty as a full member, relying instead on bilateral defence agreements with regional members.
Why did CENTO fail?
No integrated command, conflicting national interests, Arab opposition after the Suez Crisis, Iraq’s 1959 exit, no real support for Pakistan in its wars with India, and the 1979 exits of Iran and Pakistan after Iran’s revolution.
When was CENTO dissolved?
After Iran (11 March) and Pakistan (12 March 1979) withdrew, its Secretary-General announced on 16 March 1979 that the council would meet to dissolve it; formal dissolution followed on 26 September 1979.
📚 Key Takeaways

The Baghdad Pact & CENTO in Nine Points

  • 24 February 1955: Iraq and Turkey sign the Pact of Mutual Cooperation in Baghdad.
  • April–November 1955: the United Kingdom, Pakistan and Iran join, completing five founding members.
  • The US never joined as a full treaty member, but supported the alliance through its Economic and Military Committees and bilateral aid.
  • 14 July 1958: a military coup overthrows Iraq’s monarchy, installing a republic under Abd al-Karim Qasim.
  • March 1959: Iraq formally withdraws from the pact.
  • 19 August 1959: the alliance is renamed the Central Treaty Organization (CENTO); headquarters move from Baghdad to Ankara.
  • No integrated command: unlike NATO, CENTO never built a unified military structure.
  • 1965 and 1971: India-Pakistan wars show CENTO gives Pakistan no real military support.
  • 11–12 March 1979: revolutionary Iran withdraws, Pakistan follows a day later; CENTO is formally dissolved on 26 September 1979.

Who Were the Members?

Five founding members, plus a major power that never signed the treaty.

CountryJoinedRole & significance
Iraq24 Feb 1955Original regional signatory; withdrew March 1959 after the monarchy was overthrown
Turkey24 Feb 1955Original signatory; provided a link to NATO and the European security system
United KingdomApr 1955Major Western power and security sponsor
PakistanSep 1955Connected the alliance to South Asia; withdrew 12 March 1979
IranNov 1955Strategic link to the Persian Gulf and the USSR’s southern frontier; withdrew 11 March 1979, after the revolution
United StatesNever a full memberSupported the alliance, joined its Economic and Military Committees, and provided bilateral aid; never signed the treaty

Why Did the West Want This Alliance?

Containment strategy met Britain’s fading regional influence.

Containment

A chain around the USSR

The US and UK sought to strengthen states considered vulnerable to Soviet pressure, extending the containment strategy first applied in Europe into the Middle East and South Asia.

Geography

Oil & trade routes

The alliance aimed to connect Turkey, the Middle East and South Asia through a security framework protecting Persian Gulf oil and the transport corridors linking Europe and Asia.

Britain’s position

Preserving influence

The pact also reflected Britain’s attempt to retain influence in a region where anti-colonial nationalism was growing and its traditional position was under pressure.

US Secretary of State John Foster Dulles promoted regional security arrangements in the Middle East during a 1953 visit, building on the Truman Doctrine (1947) and NATO’s 1949 European model. The resulting pact encouraged pro-Western governments to cooperate on security, even though it never developed NATO-style integrated command arrangements.

Baghdad Pact & CENTO Timeline, Newest First

From the 1955 signing to the 1979 dissolution.

Alliance collapseFormation & growth
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26 Sep 1979

CENTO formally dissolves Collapse

Ankara, Turkey
Branded illustration marking CENTO dissolved on 26 September 1979

What happened: With Iran and Pakistan both gone and only Turkey and the UK remaining as active regional members, CENTO’s Secretary-General announced on 16 March 1979 that he would convene the council to dissolve it, and the organisation was formally dissolved on 26 September 1979.

Why it matters: it marked the end of a 24-year attempt to build a Cold War security belt from the Mediterranean to South Asia.
12 Mar 1979

Pakistan announces its withdrawal from CENTO Collapse

Islamabad, Pakistan
Pakistani and US CENTO staff officers at CENTO headquarters, Ankara, 1962

What happened: Pakistan formally announced its withdrawal from CENTO, saying the organisation was no longer able to protect Pakistan’s security — a disillusionment rooted in CENTO’s absence during its 1965 and 1971 wars with India. The announcement came one day after Iran’s own withdrawal.

Why it matters: it left CENTO with no practical basis to continue.
11 Mar 1979

Revolutionary Iran withdraws from CENTO Collapse

Tehran, Iran
Tehran street scene, 1979, a man holds up a newspaper reporting the Shah has left Iran

What happened: The Iranian Revolution, which toppled the Shah’s government in February 1979, installed new rulers who rejected CENTO’s Western alignment; Iran withdrew from the organisation on 11 March 1979.

Why it matters: Iran was one of CENTO’s most strategically important members, sitting on the USSR’s southern frontier.
1965 & 1971

India-Pakistan wars expose CENTO’s limits Strain

India-Pakistan border
A destroyed Sherman tank from the 1965 India-Pakistan war, with two Pakistani officers standing beside it

What happened: In both the 1965 and 1971 wars with India, Pakistan received no direct military support from its CENTO allies, since the alliance’s mandate covered Soviet aggression, not conflicts with non-member states.

Why it matters: it deeply disillusioned Pakistan with the alliance’s practical value.

The Suez Crisis damages the pact’s standing Strain

Middle East-wide

What happened: The Suez Crisis exposed divisions between Western powers and Arab nationalism, hardening opposition to the Baghdad Pact among many Arab states who viewed it as a tool of Western influence.

Why it matters: it weakened the pact’s claim to represent the region rather than Western interests.
19 Aug 1959

Remaining members rename the alliance CENTO Formation

Ankara, Turkey
The Turkish Grand National Assembly building in Ankara

What happened: Following Iraq’s withdrawal, Turkey, Iran, Pakistan and the UK renamed the alliance the Central Treaty Organization (CENTO) and relocated its headquarters to Ankara.

Why it matters: the rename reflected a smaller, more fragile alliance without its original Arab member.

Iraq formally withdraws from the Baghdad Pact Collapse

Baghdad, Iraq
Present-day flag of Iraq, used to illustrate Iraq's 1959 withdrawal

What happened: Iraq’s new government under Abd al-Karim Qasim formally withdrew, opposing the pact’s Western alignment. The organisation lost its name, its original host country, and much of its claim to represent a regional Middle Eastern security framework.

Why it matters: Iraq’s exit forced the alliance to rename itself and move its headquarters.
14 Jul 1958

A coup overthrows Iraq’s monarchy Collapse

Baghdad, IraqAbd al-Karim Qasim
Archival newspaper photo of an Iraqi army officer, illustrating the 1958 revolution

What happened: Army officers led by Abd al-Karim Qasim overthrew King Faisal II and Prime Minister Nuri al-Said, ending Iraq’s Hashemite monarchy and its pro-Western foreign policy.

Why it matters: the pact was closely tied to the monarchy; the coup made Iraq’s withdrawal almost inevitable.
1955–56

The United States backs the pact without joining it Formation

Washington D.C.
Branded illustration representing US economic and military committee support to the Baghdad Pact

What happened: The US supported the alliance politically, joined its Economic and Military Committees, and provided aid through bilateral agreements with member states — without ever signing the treaty as a full member.

Why it matters: it let Washington back the pact’s aims without the formal obligations of membership.
24 Feb–Nov 1955

Iraq and Turkey sign the Baghdad Pact; UK, Pakistan and Iran join Formation

Baghdad, IraqFive founding members
Poster and map materials relating to the 1955 Baghdad Pact

What happened: Iraq and Turkey signed the Pact of Mutual Cooperation on 24 February 1955. Britain joined in April, Pakistan in September, and Iran in November, completing the five-country alliance aimed at containing Soviet influence.

Why it matters: it was part of a wider Western strategy to build a chain of alliances around the Soviet Union, alongside NATO (1949) and SEATO (1954).
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Why Did Iraq Leave?

The Baghdad Pact was closely associated with Iraq’s Hashemite monarchy and its pro-Western foreign policy. That political foundation collapsed on 14 July 1958, when army officers led a coup that overthrew King Faisal II and Prime Minister Nuri al-Said. The new Iraqi leadership under Abd al-Karim Qasim pursued a different foreign policy and opposed the pact’s Western alignment, and Iraq formally withdrew in March 1959.

Iraq’s departure was a major blow: the organisation lost its name, its original host country, and much of its claim to represent a regional Middle Eastern security framework. Its headquarters moved to Ankara and the organisation became CENTO.

What Did CENTO Actually Do?

CENTO’s main activities

  • Military exercises and defence consultations among member states.
  • Cooperation on communications, transport and infrastructure.
  • Technical and economic development programmes.
  • Intelligence and security discussions between member militaries.
  • Links between regional members and Western military assistance.

CENTO aimed to improve cooperation among its members, but it never developed the integrated military structure associated with NATO. It helped maintain diplomatic and military relationships, but did not create a reliable collective-response mechanism for every crisis affecting its members — as Pakistan discovered in both its wars with India.

Why Did CENTO Fail?

Seven factors, compounding over 24 years.

FactorWhat happened
No integrated commandUnlike NATO, CENTO never established a unified command structure capable of coordinating member forces
Conflicting interestsTurkey, Iran and Pakistan faced different security challenges, making a common regional strategy difficult
Arab oppositionMany Arab nationalists viewed the pact as a Western tool; the Suez Crisis deepened this hostility
Iraq’s withdrawalThe 1958 revolution and 1959 exit weakened the pact’s regional foundations and changed its identity
Limited guaranteesPakistan received no automatic military assistance from CENTO allies during its 1965 and 1971 wars with India
Iran’s revolutionThe 1979 Iranian Revolution removed one of CENTO’s most important regional partners
Pakistan’s withdrawalPakistan’s 12 March 1979 exit, following Iran’s, left CENTO with little practical basis to continue

CENTO and the Cold War Alliance System

How it compared to NATO and SEATO.

Three Western-backed Cold War alliances

AllianceEstablishedStrategic region
NATO1949North Atlantic and Europe
SEATO1954Southeast Asia and the wider Asia-Pacific
Baghdad Pact / CENTO1955Middle East and the southern flank of the Soviet Union

These alliances were not identical. NATO developed an integrated military command and a strong collective-defence system. CENTO remained more limited and depended heavily on bilateral relationships and the political commitment of its members.

Conclusion: The Legacy of CENTO

CENTO’s dissolution in 1979 marked the end of one of the Cold War’s major attempts to build a security belt from the eastern Mediterranean to South Asia. Its history illustrates the limits of alliances built around an external threat when member states do not share the same priorities — geography alone could not create lasting unity. Domestic revolutions, regional conflicts and competing national interests ultimately proved stronger than the organisation’s institutional framework.

The Baghdad Pact began as a Western-backed effort to contain Soviet influence. CENTO ended after the political order that sustained it was transformed by revolution and withdrawal. Its story remains an important chapter in the history of Cold War diplomacy, Middle Eastern politics, and the changing strategic relationships of Turkey, Iran, Iraq and Pakistan.

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People Also Ask

What was the Baghdad Pact?
A Cold War security alliance signed on 24 February 1955 by Iraq and Turkey, later joined by the United Kingdom, Pakistan and Iran, intended to contain Soviet expansion toward the Middle East and South Asia.
Why was the Baghdad Pact created?
It was intended to contain Soviet influence, strengthen regional security cooperation, and protect Western strategic interests, including Persian Gulf oil and trade routes connecting Europe and Asia.
When did the Baghdad Pact become CENTO?
After Iraq withdrew in March 1959, the organisation was renamed the Central Treaty Organization (CENTO) on 19 August 1959, with its headquarters moved from Baghdad to Ankara.
Was the United States a member of CENTO?
No. The US supported the organisation and participated in its Economic and Military Committees, but it was never a full treaty member.
Why did CENTO collapse?
CENTO was weakened by conflicting member interests, limited military integration, Arab opposition, Iraq’s 1959 withdrawal, no real support for Pakistan in its wars with India, Iran’s 1979 revolution and Pakistan’s 1979 withdrawal.

Baghdad Pact & CENTO: Frequently Asked Questions

Which countries were the original members of the Baghdad Pact?
Iraq and Turkey signed first on 24 February 1955. The United Kingdom joined in April 1955, Pakistan in September 1955, and Iran in November 1955, completing the five-country alliance.
What was the ‘northern tier’ strategy?
It was the idea of linking Turkey, Iraq, Iran and Pakistan into a security chain along the southern border of the Soviet Union, extending the containment strategy the West had already applied in Europe through NATO.
Did the Baghdad Pact have a NATO-style command structure?
No. It had no integrated military command comparable to NATO’s, and its members had different strategic priorities, which contributed to its practical weakness.
How did the Suez Crisis affect the Baghdad Pact?
The 1956 Suez Crisis exposed divisions between Western powers and Arab nationalism, deepening opposition to the pact among Arab states who viewed it as a tool of Western influence rather than a genuine regional framework.
What triggered the 1958 Iraqi revolution?
Army officers led by Abd al-Karim Qasim overthrew Iraq’s Hashemite monarchy on 14 July 1958; King Faisal II was killed that day and Prime Minister Nuri al-Said the next, and the coup installed a republic that pursued a more nationalist, anti-Western foreign policy.
Where was CENTO’s headquarters after Iraq left?
The headquarters moved from Baghdad to Ankara, Turkey, when the organisation was renamed CENTO on 19 August 1959.
Did CENTO help Pakistan in its wars with India?
No. In both the 1965 and 1971 wars, CENTO gave Pakistan no direct military support, since the alliance’s mandate covered Soviet aggression rather than conflicts with non-member states such as India.
When exactly did Pakistan leave CENTO, and why?
Pakistan announced its withdrawal on 12 March 1979, saying the organisation was no longer able to protect Pakistan’s security, a disillusionment rooted in CENTO’s absence during its 1965 and 1971 wars with India. The announcement came one day after Iran withdrew on 11 March.
How did the Iranian Revolution affect CENTO?
The February 1979 revolution overthrew the Shah’s pro-Western government and replaced it with an Islamic Republic that rejected CENTO’s alignment and withdrew, removing one of the alliance’s most strategically important members.
What was CENTO’s relationship to NATO and SEATO?
All three were Western-backed Cold War alliances built around containing Soviet influence — NATO (1949) in Europe, SEATO (1954) in Southeast Asia, and the Baghdad Pact/CENTO (1955) in the Middle East — but only NATO built genuine integrated military command structures.
Did CENTO have any lasting achievements?
It sustained some military exercises, technical cooperation and defence consultations among its members for over two decades, and maintained diplomatic and military relationships, even though it never built a reliable collective-defence mechanism.
Is there a successor to CENTO today?
No formal successor organisation exists. CENTO was formally dissolved on 26 September 1979 and was not replaced by another regional security pact covering the same membership.
When was CENTO formally dissolved?
After Iran and Pakistan withdrew on 11 and 12 March 1979, the Secretary-General announced on 16 March that the council would meet to dissolve it, and CENTO was formally dissolved on 26 September 1979.
Why did Iraq withdraw from the Baghdad Pact?
The 1958 revolution overthrew Iraq’s monarchy and brought to power a government that opposed the country’s membership in the Western-backed pact. Iraq formally withdrew in March 1959.
What role did John Foster Dulles play?
US Secretary of State John Foster Dulles promoted regional security arrangements in the Middle East during a 1953 visit to the region, helping lay the diplomatic groundwork for the alliance that became the Baghdad Pact.
What did the US gain from supporting the Baghdad Pact without joining it?
Supporting the pact as an observer let Washington back its anti-Soviet aims and provide military and economic aid through bilateral agreements, without taking on the direct treaty obligations of full membership.
How did Turkey’s 1974 intervention in Cyprus affect CENTO?
It created tensions between Turkey and its Western allies, including the United States and Britain, further complicating cohesion within the alliance in its final years.
What is the difference between the Baghdad Pact and CENTO?
They are the same organisation at different stages: the Baghdad Pact refers to the original five-member alliance formed in 1955, while CENTO is the name it took after Iraq’s 1959 withdrawal, when the remaining four members (Turkey, UK, Pakistan, Iran) renamed and relocated it.
Did Arab states generally support the Baghdad Pact?
No. Many Arab nationalists, especially after the 1956 Suez Crisis, viewed it as an instrument of Western influence, and the alliance struggled to gain broad regional acceptance beyond Iraq.
What is CENTO’s place in Cold War history?
It represents one of the Cold War’s major attempts to extend containment of the Soviet Union beyond Europe, alongside NATO and SEATO, and its failure illustrates how alliances built mainly around an external threat can struggle when member states’ own priorities diverge.

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⚠️ Sources & Editorial Note

Last updated 3 November 2026. Distinguishes the Baghdad Pact’s original five-member configuration from CENTO after Iraq’s withdrawal. The United States supported the organisation and participated as an observer/associate via its Economic and Military Committees, but was not a full treaty member. Iran and Pakistan withdrew on 11 and 12 March 1979, the Secretary-General announced dissolution proceedings on 16 March, and CENTO was formally dissolved on 26 September 1979. Key sources: Wikipedia: Baghdad Pact, Wikipedia: Central Treaty Organization, U.S. Department of State, Office of the Historian, Encyclopaedia Britannica: CENTO, NATO: The Baghdad Pact becomes CENTO, 19 August 1959, and Encyclopaedia Iranica: Baghdad Pact.

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