This might not be a question you would ordinarily think of, but it is a question where the answer is pretty fascinating. China has continued to be united for the best part of 2000 years whereas Europe has never once truly managed that feat. I've looked at the reasons why this might the case from a geographical point of view. And when you do this, it becomes quite clear that China was always destined to be ruled by one force whereas Europe was always going to struggle to achieve the same.

Would love to hear everyone's thoughts on this? Do comment below 😀

Chinese kid use the same Chinese characters, to read the same poems, epics, heros, history as the kid did thousands years ago.

While unifying China, Emperor Qin Shi Huang also unified writing and measurement, as well as the width of wheels and other standards. And no one in Europe does these things.

There are many academic theories that attempt to explain this phenomenon, but I believe the most convincing one is that it is due to the writing system. China uses ideographic characters, whilst Western countries use phonetic scripts.

We can observe a fascinating phenomenon: even within China itself, there are significant differences in the pronunciation of Mandarin across different regions. The most notable example is Cantonese; the pronunciation of this dialect is practically a different language from Mandarin. Yet, Chinese people in Guangdong can still share a common national identity with those in the Northeast, because regardless of differences in pronunciation, we all recognise the same written characters. It is through this shared written language that we have cultivated a unified national consciousness over thousands of years. In contrast, in Europe—to be honest—languages such as Spanish, Italian and French often sound like different dialects of the same language. Several thousand years ago, there may indeed have been a common form of Latin, but because the Latin alphabet is a phonetic script, this meant that people could rearrange the letters according to their own dialects. For example, ‘good morning’ is written as ‘bonjorno’ in Italian and ‘bonjor’ in Spanish. As a result of this development, different regions have formed their own writing systems and linguistic frameworks. This, in turn, has given rise to distinct nationalist sentiments. Due to the intense nationalism prevalent across these regions, Europe has been unable to form a unified civilised nation-state.

I think china without the Qin Dynasty unifying would have looked something like Europe today. I think the most important part was the creation of a single writing script the entire country used. The successor of the Qin was Han which used Confucianism and the mandate of heaven to encourage harmony and unity among the people. Even tribes in the north looked up to the Chinese culture and systems, which is why they were so easily integrated into the Han population. Europe on the other hand never had a single unifying script, which led to every single different tribe thinking their culture was superior.

Chinese may speak different dialects. But they read and write the same words. All thanks to Qin first emperor unified the writing system, he compressed all the writing system into 1 with mix of others countries writing advantages. Coz his scholars came from different countries.

2:52 What's amazing about the Grand Canal, isn't just that it's over 1000 miles long, but that it's still used today, to move cargo

There is a famous saying in China: When China is united, it seeks division; when it is divided, it seeks unity.
This famous phrase comes from an absolute classic of Chinese literature – Romance of the Three Kingdoms (三国演义, Sānguó Yǎnyì),
by Luo Guanzhong. In the original, the phrase reads:
‘It is said that under heaven, what has long been divided must unite, and what has long been united must divide’ (话说天下大势，分久必合，合久必分).

The Chinese, Koreans, Vietnamese, and Japanese all used the Chinese writing system. Their historires is written in Chinese.

The comparison should be with the Arab world, and the answer is Chinese characters. Because the characters are not tied closely to the sound of words, many different dialects and languages could use the system while retaining a unified standard language. That meant a single culture, a single literature, a single bureaucratic system, a single center of civilisation and power, because the written language was the same all over the territory. This is why China held together, while Scandinavia, which also effectively speaks one language, did not.

It was the invention of paper which expanded writing and education that kept the country united. It allowed governance and education which built up a system of governance that reaches throughout the test if the country. It helped scholars and the civil service with different dialects to be able to communicate and understand each other. Then, there was the language of governance which all civil servants need to communicate with each other no matter where they come from within China. The other glues were Confucian ideology and Culture which each new area assimilated within a hundred years. Then, after a thousand years China became homogenous thereafter.

Even before World War II, people in Korea and Vietnam communicated using Chinese characters, not to mention Japan, which still retains the tradition of using Chinese characters to this day.

Being close to the mongolia steppe is an important factor. Constant steppe threat is a motivation to unify and build a strong centralized state. Russia as an example. Europe     was safe from that threat and so had the luxury of being fractured.

Growing rice is a complicated and labour intensive task, requiring artificial irrigation on a big scale. Without centralised system rivers would flood huge areas and kill millions of people. And with no central government it was practically impossible to maintain sophisticated irrigation systems which lead to starvation and violence.

Just like in other continents of the world, geography is only one of the factors which divide the people in Europe. France, Belgium, Luxembourg, Netherlands, Germany, Denmark, and Poland are on the same plain surrounded by mountain ranges and seas; one plain, many countries. East Europe is even more so.  Race, religions, languages, economy, location, history, even ideology, all affect the population in an area, and divide them.

Qin dynasty started in Qin kingdom was separate from the rest of the Chinese plains since it were in the wei valley surrounded by mountain ranges with only few passes possible, without that geographical advantage, qin might not unified china. this is actually very similar to how Rome are in Europe at the same time.
The Han after Qin originated in Sichuan basin again a place separated from the main plains of china by mountains and difficult passes, you can also compare Shu which was the rival of Han during unification, kingdom of Shu is south of Yangtze, which will be similar to Danube or Rhine. again a clear geographical boundary.

Yes northern plains in china is very accessible but the two most important unification of china originated behind mountains that could be compared to alps or pyrenees.

Geography sets the landscape, but it’s the cultural and institutional "operating system" – a civilization– that decides whether a society gets back up after it gets knocked down.

Rome was a genuine civilization, but it functioned primarily as a procedural legal franchise and military superstructure overlaying vastly different cultures. It offered citizenship and civil law, but lacked an organic, shared civilizational operating system beneath the state. When the Western legions and administrative payroll collapsed in 476 CE, the procedural umbrella vanished. Its phonetic Latin fractured into local Romance languages, legal unity broke into customary tribal rules, and the empire evaporated permanently into localized feudal territories.

​China had catastrophic collapses and foreign invasions too, but it didn't stay broken because China didn't run merely as a procedural legal franchise and military superstructure; it functioned as an enduring Civilization-State with an underlying cultural operating system that's made up of:

1) Standardized Script – People separated by thousands of miles and different spoken dialects could still read the exact same laws and literature.
2) ​Confucian-Legalist Statecraft – A governing ethic centered on collective order, family hierarchy, and state responsibility over individualist legalism.
3) ​Meritocratic Bureaucracy – Selection through civil administration exams rather than purely inherited feudal titles, or by popularity votes.
4) ​The Mandate of Heaven – Emperors and dynasties fell when they failed the people, but the political blueprint itself never died. Even conquering foreign powers like the Mongols (Yuan) and Manchus (Qing) had to adopt this exact system to govern.
5) ​Enduring Family Lineage – Deep-rooted kinship networks and ancestral continuity that bind communities together across political ruptures.
6) ​Collective Infrastructure – A history of massive public works that bring the people together requiring long-term state planning.  

After Rome fell, Europe spent roughly a thousand years in the Middle Ages (c. 500–1500 CE) precisely because there was no longer a single, unifying secular civilization to pull it back together. Power shattered into a patchwork of warlords, knights, and feudal estates. The only common umbrella left across Western Europe was the Roman Catholic Church, but that provided religious legitimacy, not a centralized, civilian political state.

Europe never did put the old imperial puzzle back together. Instead, after fighting devastating sectarian conflicts like the Thirty Years' War, European leaders gave up on the dream of a universal empire and signed the Peace of Westphalia in 1648. That moment officially codified the modern Nation-State—a political system defined by hard borders, national sovereignty, and local languages.

​So Europe ended up as a continent of separate, bordered nation-states, while China remained a sprawling civilization that learned how to master the art of being a state to this day.

I think the answer is cultural. Confucius set up a very fascinating philosophy that become the foundation of the pre-modern Chinese indentity. And I mean it when I say identity.
pre-modern China had been ruled by foreigners, twice (more if you want part dynasties to count). For most country that's the end of their history as a continuous identity. But that's not the case for China. The reason why we have Yuan and Qing dynasty identified as "Chinese" is because Mongolian and Manchu both use the structure that's already there. Culturally, the Mongols and Manchu both obtained the mandate of heaven and followed Confucian bureaucratic system.
This is why Chinese just see them as Chinese dynasties through conquest.

As a social anthropologist I will say that I think you are definitely on the right track here. This is absolutely part of the picture, but it's not the whole picture. It sometimes surprises me how dismissive some social scientists are towards geography. At the University in Oslo, Geography is actually split between Social Geography and Natural Geography, so it's a pretty deep chasm. I took some social geography and I reckon it should be mandatory for all social science to have at least a grasp of natural conditions and natural science. Damn fine video though, appreciate all the hard work!

It makes more sense to wonder why the latin countries didn't unify as the next Rome. Europe was not historically unified like Rome or China.