Everything Everywhere Daily: History, Science, Geography & More - The 1969 Sino-Soviet Border Conflict

Episode Date: November 4, 2025

Many people think that the closest the world ever came to nuclear war was during the Cuban Missile Crisis.  To be sure, that was a very tenuous point in history.  However, there is a good argument to be made that the closest the world has come to nuclear war actually took place in 1969. The reason most people are unaware of what happened is that it had nothing to do with the United States.  It was two other nuclear powers who almost went to war. Learn more about the 1969 Sino-Soviet Border Conflict, how it changed the course of the Cold War, and almost led to nuclear disaster on this episode of Everything Everywhere Daily. Sponsors Quince Go to quince.com/daily for 365-day returns, plus free shipping on your order! Mint Mobile Get your 3-month Unlimited wireless plan for just 15 bucks a month at mintmobile.com/eed Stash Go to get.stash.com/EVERYTHING to see how you can receive $25 towards your first stock purchase. Newspaper.com Go to Newspapers.com to get a gift subscription for the family historian in your life! Subscribe to the podcast!  https://everything-everywhere.com/everything-everywhere-daily-podcast/ -------------------------------- Executive Producer: Charles Daniel Associate Producers: Austin Oetken & Cameron Kieffer   Become a supporter on Patreon: https://www.patreon.com/everythingeverywhere Discord Server: https://discord.gg/UkRUJFh Instagram: https://www.instagram.com/everythingeverywhere/ Facebook Group: https://www.facebook.com/groups/everythingeverywheredaily Twitter: https://twitter.com/everywheretrip Website: https://everything-everywhere.com/  Disce aliquid novi cotidie Learn more about your ad choices. Visit megaphone.fm/adchoices

Many people think that the closest the world has ever come to nuclear war was during the Cuban missile crisis. And to be sure, that was a very tenuous point in history. However, there's a good argument to me made that the closest the world has ever come to nuclear war actually took place in 1969. The reason most people are unaware of what happened is that it had nothing to do with the United States. It was two other nuclear powers who almost went to war. Learn more about the 1969 Sino-Soviet border conflict, how it changed the course of the cold. Cold War and almost led to a nuclear disaster on this episode of Everything Everywhere Daily. Fear is the virus is trending on TikTok.

Vaccines are poison. Then your yoga teacher says that sex traffic children are being sacrificed by satanic liberals, but it's all okay. The Great Awakening is every week on Conspiratory Podcast. We explore the fever dreams that suck friends, family, and wellness gurus down the right-wing cult spiral. a search for salvation. The 1969, Sino-Soviet border conflict was one of the most significant events of the 1960s. Most people aren't even aware of this event because it took place in a relatively

remote area between two countries that didn't have freedom of the press. Even though most of the world didn't know about it at the time, the border conflict almost erupted into a full-scale war between two nuclear superpowers. However, the border conflict wasn't a simple spat over a line on a map. It was the culmination of over a century of contentious Chinese-Russian relations, which predated the establishment of their respective communist governments. As I've noted in previous episodes, the 19th century was not a good century for China. The period starting in 1839 marked the beginning of what became known as the century of humiliation.

The Qing Dynasty was weak and getting weaker. It suffered from a series of lopsided trade deals with European powers in which it was forced to open up its markets and seed control of trading ports. Of all the European powers that took advantage of China, no one took greater advantage, at least in terms of territory, than Russia. In particular, two 19th century treaties laid the foundation for the border problems that arose over a century later, the Treaty of Aigon in 1858, and the Convention of Peking in 1860. These treaties established the border between Imperial China and Imperial Russia, but they all transferred enormous amounts of land, primarily in outer Manchuria, from China to Russia.

The amount of territory transferred was the equivalent to a third of the continental United States. It also established their border along several rivers, which will become relevant shortly. But it's essential to note that the Chinese-Russian border was extremely long, poorly marked, and in most places, sparsely populated. Fast forward to the 20th century, both China and Russia had communist revolution. and both countries eventually saw the establishment of communist governments. On paper, and in public, both countries extolled the virtues of international communism and pretended to be close allies. Behind the scenes, however, reality was quite different.

During the Chinese Revolution, when the communists were making large advances against the nationalists, Stalin actually encouraged Mao to stop. The reason was that Stalin preferred a divided China that was half-capitalist rather than a unified China that was wholly communist. This had nothing to do with communist theory and everything to do with great power politics. When North Korea invaded the South in June of 1950, the decision had been encouraged and approved by Joseph Stalin without consulting Mao Zedong, which greatly irritated Beijing. When UN forces pushed to the Yalu River in the fall, Stalin refused to commit Soviet ground troops and instead pressured China to intervene, offering only limited air cover from bases

in Manchuria. Mao viewed the Soviets as being willing to fight to the last Chinese soldier without sacrificing anything themselves. The Soviets charged steep prices for weapons, ammunition, and even the use of their air force, insisting that these were loans to be repaid rather than fraternal aid. Despite the issues between Mao and Stalin, relations deteriorated further after Stalin's death in 1953. Mao had serious disagreements with Khrushchev's policy of de-Stalinization in peaceful coexistence with the West. Moreover, now that Stalin was gone, Mao felt that he should be the senior communist on the world stage. He's the one who led a revolution and unified the largest country in the world,

and his resume was far greater than that of Khrushchev's. But the Soviets had one thing the Chinese didn't. Nuclear weapons. The Chinese established their own nuclear program in the 1950s, which was heavily supported by the Soviet Union. However, in 1959, the Soviets tore up an agreement to help China develop nuclear weapons, and in 1960, they withdrew all technical advisors and stopped aid deals, which Beijing treated as a humiliating breach of socialist solidarity. The Chinese continued on their own, and in 1964, they detonated their first nuclear weapon at the Lop-Nor test site in Western China.

Now that they had nuclear weapons, China no longer saw itself as the junior partner of the Soviets or as a minor world power, as it had been in the 19th century. Things got even worse between the Chinese and the Soviets when Mao denounced the Brezhnev doctrine after the invasion of Czechoslovakia in 1968 as a warning that the USSR might police other socialist states. In particular, Mao thought that the Brezhnev doctrine could be used as a justification for a Soviet invasion of China. This increase in tensions led to an increase in armed patrols along the very poorly demarcated border between China and the Soviet Union. The increase in Chinese patrols was also due in part to the zealous activity of the cultural revolution at the time. So with that background, the spark to the conflict began on March 2, 1969.

Chinese border troops lured a Soviet patrol onto Zhen Bao Island on the frozen Yusory River and opened fire at close range. The initial ambush killed and wounded Soviet border guards and triggered four hours of fighting with reinforcements on both sides, using small arms, machine guns, mortars, and armored vehicles moving over the ice. Tensions remained high for days, and on March 15th, a larger Soviet counterattack brought heavier weapons onto the island, including tanks and supporting artillery from the far bank. Casualties were significant for a clash of this size. Each side accused the other of starting it, and the political shock was immediate because the firefight occurred between two nuclear powers. The number of casualties reported by both sides very dramatically.

For example, the Chinese reported that they had 29 fatalities, whereas the Soviets reported that the Chinese had 248. The main dispute concerned the location of the border on the river. The Chinese claimed that the border was down the center of the main channel, which is how most river borders are defined around the world. This would place the island as Chinese territory. And, FYI, for all you crossword puzzle players out there, the center of a navigable river channel is known as a thalwag.

After several months, the crisis then jumped 2,000 kilometers west to the region of Xinjiang. On August 13, 1969, Soviet border troops and armor struck Chinese positions on Lake Zala Kanashkal on what is today the border of Kazakhstan after a night of close patrolling and fence cutting. The Soviets reported routing a 30 to 40-man Chinese detachment, and capturing several soldiers. For both capitals, the fact that firefighters were now occurring on opposite ends of the enormous frontier suggested that an incident could spiral into a broader war.

Washington had learned about the March 1969 fighting almost immediately through its normal intelligence pipeline. The State Department's Bureau of Intelligence and Research circulated a March 4th intelligence note, summarizing the clash, and the CIA's top secret weekly review brief senior officials later that month. By late summer, U.S. analysts were also watching for signs that border skirmishes could widen. An August national intelligence estimate judged that a conventional Soviet air attack on Chinese nuclear and missile sites was a plausible option, even if not the most likely one. The United States reacted to events on two different tracks, crisis management and strategic opportunity. Within the government, Henry Kissinger ordered an interagency study on how to handle possible Sino-Soviet war scenarios. The Washington Special Actions Group then laid down guidance stating that the U.S. should strongly oppose any nuclear use,

and if intelligence suggested imminent attack, consider discreetly warning the target to reduce the chance of surprise. While this was happening, Moscow quietly began probing Washington about a strike on China's nuclear complex. On August 18th, Soviet embassy official and KGB officer Boris Davidov ask a State Department officer how the U.S. would react if the USSR attacked Chinese nuclear facilities. It was extraordinary evidence that the Soviets were considering attacking China and were concerned about the American response. Nixon and Kissinger also attempted to exploit the split to America's advantage. During and after the spring and summer clashes, they pursued quiet feelers to Beijing through Pakistan and Romania, judging that Chinese fear of the Soviets opened space

for rapprochamont with the United States. Finally, as part of a broader signaling effort towards Moscow during the tense autumn of 1969, the administration authorized a global readiness test that included a secret nuclear alert, popularly known as the Madman Alert, or Operation Giant Lance. I should also note that the Soviets were trying to drag India into this as well, as they had their own border clashes with China. In May, Soviet premier, Alexei Kasegan flew to India and met with Indira Gandhi and discussed the topic. Everyone was now concerned about the potential escalation of the conflict and the risks that nuclear weapons might be used.

The event that de-escalated the situation was, oddly enough, the death of Ho Chi-min in Vietnam on September 2nd. Both Kosigen and Chinese premier Zhao Wyn-Lai attended, but not at the same time so they could avoid each other. Kosigen used the trip to propose direct talks. Sources indicate that he asked the Vietnamese to convey a request for a high-level meeting with Beijing, while he was in Hanoi. The Vietnamese, fearful that their two benefactors might go to war with each other, served as the trusted middleman between the two parties. Kosigin was denied the ability to fly back to Moscow over Chinese airspace,

and instead flew to India. When he landed, he received notification from the Indians that the Chinese were willing to talk. He then flew to Beijing, where he met Zhao Enlai in person on the airport tarmac. The two agreed to cool military activity and to restart boundary negotiations, which effectively ended the shooting phase of the border war, even though the legal dispute still remained. The legal dispute over the border took far longer to settle. After years of on-again-off-again negotiations, Moscow and Beijing delimited the eastern section in 1991, completed the western section in 1994, and in 2004, signed a complementary agreement that divided

the final contested islands. The final demarcation of the border was implemented in 2008, with on-site ceremonies and a modest transfer of river territory to China, ending the chapter opened in the 19th century and inflamed in 1969. The repercussions of the 1969 border conflict reshaped the Cold War. Both China and the Soviet Union undertook massive troop movements and fortification programs along the border. U.S. assessments counted several dozen Soviet divisions that had moved east by 1969 and even more by 1970 and 1972. China's stations dozens of infantry-heavy formations of their own just opposite them. The militarization locked the Soviet unions into a costly posture for the next two decades,

weakening its military efforts in Europe. At the same time, the shock of 1969 turned diplomacy on its head. Beijing began exploring a counterweight to the Soviet threat, resumed quiet contacts with Washington in 1969, hosted Henry Kissinger's secret visit in 1971, and eventually received President Richard Nixon in 1919. 1962. Nixon's visit to China will be the subject of a future episode. The Kremlin responded to the improvements in Sino-U.S. relations in part by accelerating detente with the United States in the 1970s.

While it hasn't gotten nearly as much attention as other events of the Cold War, the Sino-Soviet border conflicts of 1969 were one of the most important events of that period. The Cuban Missile crisis was certainly a dangerous period, but fighting never broke out between the United States and the Soviets. In 1969, however, at least a few hundred people were killed in skirmishes between two nuclear powers and the use of nuclear weapons were actively being considered. The events of 1969 not only brought China and the Soviets to the brink of war, it also completely rearranged the geopolitical landscape of the world.

The executive producer of Everything Everywhere Daily is Charles Daniel. The associate producers are Austin Otkin and Cameron Kiefer. Today's review comes from listener WMC Squared over on Apple Podcasts in the United States. They write, from my 10-year-old, who's your biggest fan? No joke, he loves your show. Dear Gary, I love your podcast. The one on Custrumming really cracked me up. Do an episode on Swedish Fish next time.

We listen most days, and both of us enjoy the history episodes a lot. I vote for one on Cornwall England or bicycle motocross, aka BMX. Well, thanks, WMC. I'm really not sure what Swedish fish is other than surstrumbing. I did a search and the only thing that I could find by that name was the type of candy, which I know absolutely nothing about. As for Cornwall and BMX, I will check them out. I've personally been to Cornwall before,

and if there's something there, I will definitely put it on the list of show ideas. As always, if you leave a review on any major podcast app, Facebook, or Discord, you two can have it read on the show.