A split country and its cave Buddhas: China from 420 to 589

For 169 years there were two Chinas, and the most spectacular Buddhist art in the country was carved during the argument. Nánběicháo (南北朝) is the period foreigners skip and then find themselves standing inside at Datong.

When it ran, and what came before and after

AD 420–589. After the Jin collapsed, the north was governed by ruling houses founded by nomadic peoples — above all the Northern Wei of the Tuoba clan — across the Yellow River plains. The south saw a succession of Chinese dynasties (Song, Qi, Liang, Chen) ruling from Jiankang, today's Nanjing. The Sui reunified the country in 589.

What the period is known for

Division, and then fusion. Northern rulers such as Emperor Xiaowen of Northern Wei (北魏孝文帝) moved the capital to Luoyang and adopted Chinese language, dress and customs. Peoples mixed and merged, and that blend is what the reunified empire was built out of.

Buddhist cave art at its peak. This is the headline. Vast statues carved into cliffs by state patronage.

Serious mathematics and farming science. Zǔ Chōngzhī (祖冲之) calculated π to seven decimal places, using 355/113 — a value not bettered anywhere for roughly a thousand years. Jiǎ Sīxié (贾思勰) compiled the Qimin Yaoshu (齐民要术), China's earliest complete surviving farming manual, which is also the earliest detailed record of a lot of Chinese cooking.

Literary criticism. The Wenxin Diaolong (文心雕龙) is China's great work on how writing works.

What you'll actually bump into

The grottoes. The Yungang Grottoes (云冈石窟) at Dàtóng (大同) in Shanxi and the Longmen Grottoes (龙门石窟) at Luòyáng (洛阳) are both on the standard travel circuit, and both are Northern Wei projects — Longmen began after Emperor Xiaowen moved his capital south. Standing under a twenty-metre Buddha carved out of a cliff face is how most people here first encounter this period, usually without realising which dynasty they are looking at.

Food history. If a Chinese friend tells you a dish or a preserving method is over a thousand years old, the Qimin Yaoshu is often the reason they can say so — it is where the recipe is written down.

Nanjing's stone beasts. Winged stone creatures from Southern Dynasties imperial tombs still stand in fields on the city's outskirts, unfenced, which is a very odd afternoon.

Where this comes up

Datong and Luoyang trips, obviously. But also in the mildly political conversation about what "Chinese" means: this is the period Chinese people point to when explaining that the culture absorbed and was reshaped by its northern neighbours rather than simply resisting them. Emperor Xiaowen's reforms are taught in school as a model of integration.

And in Nánjīng (南京), which spent these centuries as the southern capital and still counts them in its "six dynasties" branding.

What Laonei does

Laonei (老内) is an AI Chinese translator and cultural guide for foreigners in China. Grotto signage is dense with Buddhist vocabulary that standard translation apps render into nonsense — 石窟, 造像, 供养人. Ask Laonei what a term means in plain English and what you are actually looking at: liuxuesheng.help/talk.

FAQ

Which city was the southern capital? Jiankang, which is today's Nanjing. Four successive southern dynasties — Song, Qi, Liang and Chen — ruled from there between 420 and 589, and their courts nurtured poetry, painting and calligraphy, while the north was governed over the same period by ruling houses founded by nomadic peoples, above all the Northern Wei.

How did the division end? The Sui dynasty reunified China in 589, bringing the south back under one government after nearly four centuries of fragmentation that had begun with the fall of the Western Jin. The long north–south mixing beforehand is generally credited with making that reunification durable.

Why are the Yungang and Longmen grottoes from this period? Buddhism spread widely under the northern courts, and rulers sponsored carving on a state scale. Yungang at Datong was cut by the Northern Wei court; work at Longmen near Luoyang began after Emperor Xiaowen moved his capital there. Both are now among China's most visited historical sites.