The Tang Dynasty never existed? Inside China’s bizarre viral history conspiracy challenging what happened almost 1200 years back, the astronomical claims behind it and why Beijing is taking the controversy seriously

For centuries, the Tang dynasty has occupied an unusually secure place in Chinese history. It ruled from 618 AD to 907 AD, produced some of China’s most celebrated poets and artists, presided over a powerful and outward-looking empire, and left behind an enormous archaeological and documentary record.

Now, a bizarre claim circulating on Chinese social media is asking people to reconsider all of it: what if the Tang dynasty never existed?

The theory is not emerging from a new archaeological discovery or a breakthrough in historical research. It began with online videos promoting an alternative chronology and has since spread across Chinese platforms, prompting historians and state-affiliated media to publicly reject it.

How the Tang dynasty was suddenly declared fictional

According to China Social Sciences Daily, the controversy originated with a Bilibili creator known as “qiao乔于yu,” who published videos in late April and early May 2026 arguing that China's conventional chronology had been deliberately altered.

The creator's theory went far beyond the Tang. It proposed a completely different timeline for Chinese history. According to the creator, the Song dynasty, which historians traditionally date to 960–1279, actually began much earlier and continued for roughly 800 years. If that were true, several dynasties that historians place between the Sui and Song periods, including the Tang, would have to be removed from the timeline altogether.

Some versions of the claim went further, suggesting that famous Tang figures including Li Bai, Du Fu and Bai Juyi were later creations, while archaeological remains such as the Daming Palace ruins, Tang sancai pottery and Dunhuang manuscripts were supposedly fabricated.

The account was subsequently banned and its original videos removed, according to China Social Sciences Daily. Yet removing the original material did not end the discussion. By August, “#Tang dynasty does not exist” had become a widely discussed topic on Chinese social media.

The astronomical theory behind the claim

One of the strangest features of the argument is its use of astronomy and calendar calculations to give the theory a scientific appearance. The creator reportedly incorporated the so-called Phantom Time Hypothesis, a fringe theory proposed in Europe in the 1990s that argues roughly three centuries of the early medieval period were artificially inserted into history.

That hypothesis has been rejected by mainstream historians and archaeologists. Evidence from astronomical observations, archaeological dating and independent historical records contradicts the idea that the disputed centuries were fabricated.

Chinese reporting says the Tang conspiracy repurposed elements of this theory and combined them with astronomical terminology to construct what appeared to be a mathematical argument. Critics say the method creates an unfalsifiable loop in which evidence contradicting the theory can simply be dismissed as forged.

What the evidence says about the Tang

The historical case for the Tang is not dependent on a single chronicle written centuries after the dynasty supposedly disappeared. Researchers point to several overlapping categories of evidence: Chinese historical texts, inscriptions, tombs, manuscripts, architecture and artifacts, as well as records produced outside China.

The People's Daily-published report cited Chinese Academy of Social Sciences historian Zhao Xianhai, who said China has more than 3.4 million registered movable cultural relics dating to the Tang period. Among the physical evidence are the Daming Palace ruins, Tang imperial tombs, Buddhist architecture and documents preserved at Dunhuang.

There are also the Old Book of Tang, New Book of Tang and Zizhi Tongjian, alongside inscriptions and literary works from the period.

Perhaps more importantly, the Tang was not recorded only by Chinese historians. Researchers cited by China Social Sciences Daily point to records associated with Turks, Tibetans and Uyghurs, as well as historical material from Japan, Persia and the Arab world. Those independent traditions describe interactions with Tang China, providing evidence that does not depend on a single Chinese historical narrative.

That makes the idea of inventing an entire three-century empire extraordinarily difficult to reconcile with the surviving evidence.

Why Beijing is taking the controversy seriously

The Tang controversy has become politically significant because Chinese authorities place considerable emphasis on historical continuity and national identity.

China's state-affiliated China Social Sciences Daily described the phenomenon as a form of “pseudohistory” and warned about its potential impact on historical understanding. People's Daily and other state-linked outlets have also publicly rejected the claim.

That response reflects a wider sensitivity around what Chinese authorities describe as “historical nihilism”, arguments they believe distort or undermine China's established historical narrative.

The Tang is particularly important within that narrative. It represents not only an ancient ruling house but a period associated with cultural achievement, international exchange and China's historical influence across Asia.