The Détente Era: Ping-Pong Diplomacy, SALT, and the Helsinki Accords

We have covered World War I, World War II, and left the Cold War behind; we are now slowly approaching the present day. We will begin this block with the meaning, origins, and emergence of the Détente period. After briefly discussing the effects of this era, we will touch upon America's visit to Beijing, namely Ping-Pong Diplomacy, followed by the Strategic Arms Limitation Talks. Finally, we will complete this section with the Helsinki Final Act.

The Détente period refers to a historical era during the Cold War when conflict and tension in East-West relations decreased. We can also consider this period as a result of contemporary developments, often referred to as the “age of negotiations.” After the Cuban Missile Crisis, the US and the Soviets stepping back from the brink of a nuclear war pushed both states to pursue a tension-reducing and softer policy. Accordingly, after the Cuban Missile Crisis of 1962, both states stepped back from the brink and gradually shifted toward a softer policy, with the SALT I talks in 1969 widely accepted as the actual beginning of the Détente period. In this context, the transition from conventional weapons to nuclear weapons was a significant factor in the emergence of this policy. (All kinds of classic weapons used by land, sea, and air forces, excluding nuclear, biological, and chemical weapons, are referred to as conventional weapons.)

Leonid Brezhnev (left), Viktor Sukhodrev (center), and Richard Nixon (right) during Brezhnev's 1973 visit to Washington

Now we move on to America’s visit to Beijing, namely Ping-Pong Diplomacy. China’s foreign policy progressed along the lines of cooperating with Third World countries. As a matter of fact, China was under the threat of America in the south, and the Soviets in the north and northwest. America wanted to determine its security strategy against the increasing Soviet threat and use China against Soviet Russia. The visit by President Nixon’s National Security Advisor Henry Kissinger to China in 1971 was the first step in the normalization of relations between the two countries. President Nixon’s visit between February 21-28, 1972, took place in an environment where there were no diplomatic relations between the two countries.

The name “Ping-Pong Diplomacy” comes from an unexpected moment: in April 1971, an American table tennis player accidentally boarded the Chinese team’s bus at the World Table Tennis Championships in Japan. This small, accidental encounter opened the door to an invitation, and ultimately, to Nixon’s historic visit to Beijing.

In 1963, the “Partial Nuclear Test Ban Treaty” was signed in Moscow among America, the Soviet Union, and Britain. However, since the states actually just wanted to buy time, they continued their arms race in the nuclear field without slowing down even after this treaty. The SALT I (Strategic Arms Limitation Talks), which began in Helsinki in 1969, was an important milestone in limiting nuclear weapons. In these talks, it was decided to limit only defensive missiles. With this step, the year 1969 is widely accepted as the actual beginning of the Détente period. Finally, the SALT II Treaty was signed between the US and the USSR in 1979. However, because the Soviets invaded Afghanistan in the same year, the US Congress did not ratify this treaty, and it remained solely on paper.

The front page of the Helsinki Accords

We are now at the Helsinki Final Act section. Upon entering the détente process in relations between the blocs, Eastern Bloc countries proposed convening a conference to strengthen security and cooperation in Europe. Following the SALT I Treaty, all European states, along with the US and Canada, gathered in Helsinki for the Conference on Security and Co-operation in Europe (CSCE). As a result of long negotiations, the final document encompassing fundamental peace and cooperation in international relations, namely the Helsinki Final Act, was signed on August 1, 1975. This document included vital issues such as refraining from the use of force, respect for sovereignty, peaceful settlement of disputes, cooperation among states, non-intervention in internal affairs, and respect for human rights.

With this, we have introduced the Détente period and summarized the developments centered around the US and the Soviets. In the second part, meaning our next block, we will transition to the conflicts of the Détente period. As we cover the final phases of the nuclear arms race and the end of the Cold War, we will also discuss the economic developments, socio-cultural events, and all the other dynamics of the Cold War era.

The Korean War, the Fall of Indochina, and the Birth of SEATO: Cold War in the Far East

While tensions between the Eastern and Western blocs were shaping Europe, the ripple effects of the Cold War were reaching the Far East as well. Two things deeply concerned both the Soviet Union and China, who were highly influential in the region: the presence of the United States in South Korea, and the continued presence of France in Southeast Asia, in Indochina with active American support. For these reasons, the two defining conflicts in the Far East between 1950 and 1954 were the Korean War and the Indochina War.

Korean War (1950-1953)

Our story actually begins with a dangerous signature placed during the final days of World War II, at the Potsdam Conference in July 1945. When Soviet Russia decided to enter the war in the Far East, to facilitate military operations, the territory of Korea was divided in two right along the 38th parallel, as if drawn with a ruler on a map. The north of this invisible line was recognized as the Soviet military operations zone, while the south was designated for the US.

However, when the war ended, that temporary border turned into a permanent wall. Neither US-Soviet negotiations nor the diplomatic efforts of the United Nations were sufficient to reunite these two regions. As the polarization became definitive, the US organized elections in its controlled south on May 10, 1948, leading to the establishment of the Republic of Korea (South Korea) under the presidency of Syngman Rhee. In response, the Soviets wasted no time in holding elections tailored to their own system in North Korea, establishing the Democratic People's Republic of Korea on September 9, 1948.

The real explosion occurred when the giant of Asia, China, fell under communist rule in 1949. Seizing this massive shift in power, and backed by the Soviets and China, North Korea unexpectedly declared war and crossed the border into South Korea on June 25, 1950, with the aim of completely expelling the US from Asia.

As events reached this breaking point, the UN Security Council convened urgently and took a historic decision: there would be a military intervention in South Korea. An international UN Force, comprising troops from various nations but primarily shouldered and commanded by the US (under General Douglas MacArthur), was formed and deployed to Korea.

Where Turkey Earned Its NATO Ticket: The Epic of Korea

This is exactly where the significance of this war begins for our history. To prove its loyalty to the Western Bloc and secure entry under the NATO umbrella against the Soviet threat, Turkey dispatched a fully equipped military brigade to Korea to serve under this UN Force. This decision marks the very first time in the history of the Turkish Republic that troops were sent abroad, let alone to the other side of the world. The legendary heroism displayed by the Turkish brigade in the Korean mountains resonated tremendously throughout the Western world, throwing the doors of NATO wide open in 1952 for Turkey, whose application had previously been rejected.

This bloody war, which began in 1950 and caused the deaths of millions of civilians and soldiers, ended after three years with neither side able to achieve decisive superiority over the other. With the Panmunjom Armistice signed in July 1953, the guns fell silent, and the border was re-established exactly where the war had started: the 38th parallel. In other words, all that blood failed to shift the borders even a millimeter.

General Walton Walker, Commander of the United Nations Forces, presenting the ‘Silver Star’ medal to Brigadier General Tahsin Yazıcı, Commander of the Turkish Brigade

The Collapse of Colonialism and the Indochina War (1954)

While the waters were calming in Korea, a brand-new storm was brewing in another corner of Asia: Indochina. Emerging from the devastation of World War II, France stubbornly attempted to maintain its colonial rule in this region, which encompassed Vietnam, Cambodia and Laos hoping to return to its former days of glory. However, Asia had awakened; France’s colonial persistence triggered total wars of independence among the regional populations.

France’s inability to crush this resistance and its subsequent entrapment in a quagmire elevated the issue from a local rebellion to a massive Cold War crisis between the Eastern and Western blocs by 1954. As events spiralled out of control, heavyweights such as the US, France, Britain, the USSR, and the People's Republic of China were forced to convene a historic peace conference in Geneva in 1954.

The outcomes of the Geneva Conference were an absolute earthquake in the history of colonialism: suffering a severe defeat, France was forced to withdraw completely from Vietnam, Cambodia, and Laos, and these nations gained their independence. However, the most critical clause of the agreement, and the one that would most significantly impact the future, concerned Vietnam: Just like in Korea, Vietnam was partitioned into two, a (Communist) North and a (pro-Western) South, with the 17th Parallel designated as the border. This division would very soon pave the way to one of the greatest traumas in American history: the Hell of Vietnam.

Indochine physique, 1930

The Establishment of SEATO (Manila Pact) (September 8, 1954)

The crisis in Vietnam, which escalated after the Korean War, pushed the US to reinforce its defence measures in Asia with much firmer and more forceful steps. This war laid bare the danger facing Southeast Asia; the strategic importance of the region had become undeniable. Why was it so significant? If this region were to fall under communist control, Soviet Russia and China could gain dominance over global trade chokepoints like Singapore and the Strait of Malacca, which would create a nightmare scenario for the defence of the Pacific Ocean.

The US Two-Step Strategy

To protect this massive region, the US activated a two-phase plan:

The first step: Directly increasing military and economic aid to countries that had recently gained full independence, such as Thailand, Laos, Cambodia, and South Vietnam.

The second step: Establishing a collective defence system to shield the region.

SEATO (Manila Pact) and the Ring of Alliances

The tangible result of the second step was the SEATO (Southeast Asia Treaty Organization), or the Manila Pact, signed on September 8, 1954. This collective defence organization was founded with the participation of global powers like the US, UK, and France, alongside Far Eastern nations: New Zealand, Australia, the Philippines, Thailand, and Pakistan. In doing so, the US created a massive "ring of alliances" surrounding Soviet Russia and its ally, China.

The US did not limit its containment strategy to this alone. To balance the scales in Asia against Communist China, it signed an alliance treaty with the Nationalist Chinese (Formosa/Taiwan) Government on December 2, 1955. Like the SEATO treaty, this alliance had no expiration date; America was determined to transform its borders in Asia into permanent military strongholds.