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History of China

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The history of China spans several millennia across a wide geographical area. Chinese civilization originated in the Yellow and Yangtze river basins, evolving into one of the world's oldest cradles of civilization. Traditional historiography views this past through the lens of the dynastic cycle. The earliest confirmed historical period begins with the Shang dynasty (c. 1250 BC), which left the oldest surviving oracle bone inscriptions. It was followed by the Zhou dynasty (c.1046  256 BC), an era that introduced the Mandate of Heaven and laid the philosophical foundations for Confucianism, Taoism, and Legalism.

China was first unified under a centralized imperial state by Qin Shi Huang in 221 BC. The subsequent Han dynasty (202 BC  220 AD) established a long-lasting imperial order, institutionalized Confucianism, and fostered major technological advancements such as paper-making. Following centuries of disunity that saw the spread of Buddhism, imperial unity was restored by the Sui dynasty (581–618) and the Tang dynasty (618–907), a golden age of poetry, culture, and cosmopolitan trade. The Song dynasty (960–1279) followed, driving major advancements in woodblock printing, technology, and the imperial examination system.

In the 13th century, the Mongol Empire conquered China and established the Yuan dynasty (1271–1368). Han rule returned with the Ming dynasty (1368–1644), noted for maritime exploration, arts, and major restoration of the Great Wall and Grand Canal. The final imperial lineage, the Manchu-led Qing dynasty (1644–1912), expanded China's territory to its imperial peak before suffering severe internal instability and military defeats to foreign powers in the 19th century.

The 1911 Revolution ended imperial rule and established the Republic of China (ROC). Decades of conflict followed, including the Second Sino-Japanese War and the Chinese Civil War. In 1949, Mao Zedong, leader of the Chinese Communist Party, proclaimed the People's Republic of China (PRC) on the mainland, while the ROC government retreated to Taiwan. Following the Cultural Revolution, the PRC instituted reform and opening up under Deng Xiaoping starting in 1978, transforming the country into the world's fastest-growing major economy.

Prehistory

Paleolithic (1.7 Ma – 12 ka)

Paleolithic
Traditional reconstruction of the Peking Man skull
Casts of the teeth of Yuanmou Man
Restoration of the skull Shaanxi History Museum
LL-1 partials skull

The archaic human species of Homo erectus arrived in Eurasia sometime between 1.3 and 1.8 million years ago (Ma) and numerous remains of its subspecies have been found in what is now China.[1] The oldest of these is the southwestern Yuanmou Man (元谋人; in Yunnan), dated to c. 1.7 Ma, which lived in a mixed bushland-forest environment alongside chalicotheres, deer, the elephant Stegodon, rhinos, cattle, pigs, and the giant short-faced hyena.[2] The better-known Peking Man (北京猿人; near Beijing) of 700,000–400,000 BP,[1] was discovered in the Zhoukoudian cave alongside scrapers, choppers, and, dated slightly later, points, burins, and awls.[3] Other Homo erectus fossils have been found widely throughout the region, including the northwestern Lantian Man in Shaanxi, as well minor specimens in northeastern Liaoning and southern Guangdong.[1] The dates of most Paleolithic sites were long debated but have been more reliably established based on modern magnetostratigraphy: Majuangou at 1.66–1.55 Ma, Lanpo at 1.6 Ma, Xiaochangliang at 1.36 Ma, Xiantai at 1.36 Ma, Banshan at 1.32 Ma, Feiliang at 1.2 Ma and Donggutuo at 1.1 Ma.[4] Evidence of fire use by Homo erectus occurred between 1–1.8 million years BP at the archaeological site of Xihoudu, Shanxi Province.[5]

The circumstances surrounding the evolution of Homo erectus to contemporary H. sapiens is debated; the three main theories include the dominant "Out of Africa" theory (OOA), the regional continuity model and the admixture variant of the OOA hypothesis.[1] Regardless, the earliest modern humans have been dated to China at 120,000–80,000 BP based on fossilized teeth discovered in Fuyan Cave of Dao County, Hunan.[6] The larger animals which lived alongside these humans include the extinct Ailuropoda baconi panda, the Crocuta ultima hyena, the Stegodon, and the giant tapir.[6] Evidence of Middle Palaeolithic Levallois technology has been found in the lithic assemblage of Guanyindong Cave site in southwest China, dated to approximately 170,000–80,000 years ago.[7]

Neolithic

Neolithic
10,000-year-old pottery, Xianren Cave culture (18,000–7000 BC)
Bone Arrowheads, Peiligang culture (7000–5000 BC)
Butterfly-shaped ivory vessel with the pattern of two birds facing the sun, Hemudu culture (5500–3300 BC)
Pottery artifacts from Hemudu culture (5500–3300 BC)

The Neolithic Age in China is considered to have begun about 10,000 years ago.[8] Because the Neolithic is conventionally defined by the presence of agriculture, it follows that the Neolithic began at different times in the various regions of what is now China. Agriculture in China developed gradually, with initial domestication of a few grains and animals gradually expanding with the addition of many others over subsequent millennia.[9] The earliest evidence of cultivated rice, found by the Yangtze River, was carbon-dated to 8,000 years ago.[10] Early evidence for millet agriculture in the Yellow River valley was radiocarbon-dated to about 7000 BC.[11] The Jiahu site is one of the best preserved early agricultural villages (7000 to 5800 BC). At Damaidi in Ningxia, 3,172 cliff carvings dating to 6000–5000 BC have been discovered, "featuring 8,453 individual characters such as the sun, moon, stars, gods and scenes of hunting or grazing", according to researcher Li Xiangshi. Written symbols, sometimes called proto-writing, were found at the site of Jiahu, which is dated around 7000 BC,[12] Damaidi around 6000 BC, Dadiwan from 5800 BC to 5400 BC,[13] and Banpo dating from the 5th millennium BC. With agriculture came increased population, the ability to store and redistribute crops, and the potential to support specialist craftsmen and administrators, which may have existed at late Neolithic sites like Taosi and the Liangzhu culture in the Yangtze delta.[10] The cultures of the middle and late Neolithic in the central Yellow River valley are known, respectively, as the Yangshao culture (5000 BC to 3000 BC) and the Longshan culture (3000 BC to 2000 BC). Pigs and dogs were the earliest-domesticated animals in the region, and after about 3000 BC domesticated cattle and sheep arrived from Western Asia. Wheat also arrived at this time but remained a minor crop. Fruit such as peaches, cherries and oranges, as well as chickens and various vegetables, were also domesticated in Neolithic China.[9]

Bronze Age

Map of tribes and tribal unions in Ancient China, including the tribes led by the Yellow Emperor, Emperor Yan and Chiyou.

Bronze artifacts have been found at the Majiayao culture site (between 3100 and 2700 BC).[14][15] The Bronze Age is also represented at the Lower Xiajiadian culture (2200–1600 BC)[16] site in northeast China. Sanxingdui located in what is now Sichuan is believed to be the site of a major ancient city, of a previously unknown Bronze Age culture (between 2000 and 1200 BC). The site was first discovered in 1929 and then re-discovered in 1986. Chinese archaeologists have identified the Sanxingdui culture to be part of the state of Shu, linking the artifacts found at the site to its early legendary kings.[17][18] The graves at Mogou revealed a high level of violence in the Qijia culture.[19]

Ferrous metallurgy begins to appear in the late 6th century in the Yangtze valley.[20] A bronze hatchet with a blade of meteoric iron excavated near the city of Gaocheng in Shijiazhuang (now Hebei) has been dated to the 14th century BC. An Iron Age culture of the Tibetan Plateau has tentatively been associated with the Zhang Zhung culture described in early Tibetan writings.

The earliest period once considered historical was the legendary era of the sage-emperors Yao, Shun, and Yu. Traditionally, the abdication system was prominent in this period,[21] with Yao yielding his throne to Shun, who abdicated to Yu, who founded the Xia dynasty.

Ancient China

Chinese historians in later periods were accustomed to the notion of one dynasty succeeding another, but the political situation in early China was much more complicated. Hence, as some scholars of China suggest, the Xia and the Shang can refer to political entities that existed concurrently, just as the early Zhou existed at the same time as the Shang.[22] This bears similarities to how China, both contemporaneously and later, has been divided into states that were not one region, legally or culturally.[23]

Xia dynasty (c. 2070 – c. 1600 BC)

Decorative plaque from the Erlitou culture

The Xia dynasty (c.2070 – c.1600 BC) is the earliest of the three dynasties described in much later traditional historiography, which includes the Bamboo Annals and Sima Qian's Shiji (c.91 BC). The Xia is generally considered mythical by Western scholars, but in China it is usually associated with the early Bronze Age site at Erlitou (1900–1500 BC) in Henan that was excavated in 1959. Since no writing was excavated at Erlitou or any other contemporaneous site, there is not enough evidence to prove whether the Xia dynasty ever existed. Some archaeologists claim that the Erlitou site was the capital of the Xia.[24] In any case, the site of Erlitou had a level of political organization that would not be incompatible with the legends of Xia recorded in later texts.[25] More importantly, the Erlitou site has the earliest evidence for an elite who conducted rituals using cast bronze vessels, which would later be adopted by the Shang and Zhou.[26]

Shang dynasty (c. 1600 – c. 1046 BC)

The 12th-century BC Houmuwu ding, the largest Bronze Age bronzeware found anywhere in the world

Both archaeological evidence like oracle bones and bronzes, as well as transmitted texts attest the historical existence of the Shang dynasty (c.1600 – c.1046 BC). Findings from the earlier Shang period come from excavations at Erligang (modern Zhengzhou). Findings have been found at Yinxu (near modern Anyang, Henan), the site of the final Shang capital during the Late Shang period (c.1250–1050 BC).[27] The findings at Anyang include the earliest written record of the Chinese so far discovered: inscriptions of divination records in ancient Chinese writing on the bones or shells of animals—the oracle bones, dating from c.1250 – c.1046 BC.[28]

A series of at least twenty-nine kings reigned over the Shang dynasty.[29] Throughout their reigns, according to the Shiji, the capital city was moved six times.[30] The final and most important move was to Yin during the reign of Wu Ding c.1250 BC.[31] The term Yin dynasty has been synonymous with the Shang dynasty in history, although it has lately been used to refer specifically to the latter half of the Shang dynasty.[29]

Although written records found at Anyang confirm the existence of the Shang dynasty,[32] Western scholars are often hesitant to associate settlements that are contemporaneous with the Anyang settlement with the Shang dynasty. For example, archaeological findings at Sanxingdui suggest a technologically advanced civilization culturally unlike Anyang. The evidence is inconclusive in proving how far the Shang realm extended from Anyang. The leading hypothesis is that Anyang, ruled by the same Shang in the official history, coexisted and traded with numerous other culturally diverse settlements in the area that is now referred to as China proper.[33]

Zhou dynasty (1046–256 BC)

The Zhou dynasty (1046 BC to about 256 BC) is the longest-lasting dynasty in Chinese history, though its power declined steadily over the almost eight centuries of its existence. In the late 2nd millennium BC, the Zhou dynasty arose in the Wei River valley of modern western Shaanxi Province, where they were appointed Western Protectors by the Shang. A coalition led by the ruler of the Zhou, King Wu, defeated the Shang at the Battle of Muye. They took over most of the central and lower Yellow River valley and enfeoffed their relatives and allies in semi-independent states across the region.[34] Several of these states eventually became more powerful than the Zhou kings.

The kings of Zhou invoked the concept of the Mandate of Heaven to legitimize their rule, a concept that was influential for almost every succeeding dynasty.[35] Like Shangdi, Heaven (tian) ruled over all the other gods, and it decided who would rule China.[36] It was believed that a ruler lost the Mandate of Heaven when natural disasters occurred in great number, and when, more realistically, the sovereign had apparently lost his concern for the people. In response, the royal house would be overthrown, and a new house would rule, having been granted the Mandate of Heaven.

The Zhou established two capitals Zongzhou (near modern Xi'an) and Chengzhou (Luoyang), with the king's court moving between them regularly. The Zhou alliance gradually expanded eastward into Shandong, southeastward into the Huai River valley, and southward into the Yangtze River valley.[34]

Spring and Autumn period (722–476 BC)

Chinese polities in the late 5th century BC, before the breakup of Jin and the Qin move into Sichuan.

In 771 BC, King You and his forces were defeated in the Battle of Mount Li by rebel states and Quanrong barbarians. The rebel aristocrats established a new ruler, King Ping, in Luoyang,[37]:4 beginning the second major phase of the Zhou dynasty: the Eastern Zhou period, which is divided into the Spring and Autumn and Warring States periods. The former period is named after the famous Spring and Autumn Annals. The sharply reduced political authority of the royal house left a power vacuum at the center of the Zhou culture sphere. The Zhou kings had delegated local political authority to hundreds of settlement states, some of them only as large as a walled town and surrounding land. These states began to fight against one another and vie for hegemony. The more powerful states tended to conquer and incorporate the weaker ones, so the number of states declined over time.[38] By the 6th century BC most small states had disappeared by being annexed and just a few large and powerful principalities remained. Some southern states, such as Chu and Wu, claimed independence from the Zhou, who undertook wars against some of them (Wu and Yue). Many new cities were established in this period and society gradually became more urbanized and commercialized. Many famous individuals such as Laozi, Confucius and Sun Tzu lived during this chaotic period.

Conflict in this period occurred both between and within states. Warfare between states forced the surviving states to develop better administrations to mobilize more soldiers and resources. Within states there was constant jockeying between elite families. For example, the three most powerful families in the Jin state—Zhao, Wei and Han—eventually overthrew the ruling family and partitioned the state between them.

The Hundred Schools of Thought of classical Chinese philosophy began blossoming during this period and the subsequent Warring States period. Such influential intellectual movements as Confucianism, Taoism, Legalism and Mohism were founded, partly in response to the changing political world. The first two philosophical thoughts would have an enormous influence on Chinese culture.

Warring States period (476–221 BC)

The Warring States, c. 260 BC

After further political consolidations, seven prominent states remained during the 5th century BC. The years in which these states battled each other is known as the Warring States period. Though the Zhou king nominally remained as such until 256 BC, he was largely a figurehead that held little real power.

Numerous developments were made during this period in the areas of culture and mathematics—including the Zuo Zhuan within the Spring and Autumn Annals (a literary work summarizing the preceding Spring and Autumn period), and the bundle of 21 bamboo slips from the Tsinghua collection, dated to 305 BC—being the world's earliest known example of a two-digit, base-10 multiplication table. The Tsinghua collection indicates that sophisticated commercial arithmetic was already established during this period.[39]

As neighboring territories of the seven states were annexed (including areas of modern Sichuan and Liaoning), they were now to be governed under an administrative system of commanderies and prefectures. This system had been in use elsewhere since the Spring and Autumn period, and its influence on administration would prove resilient—its terminology can still be seen in the contemporaneous sheng and xian ("provinces" and "counties") of contemporary China.

The state of Qin became dominant in the waning decades of the Warring States period, conquering the Shu capital of Jinsha on the Chengdu Plain; and then eventually driving Chu from its place in the Han River valley. Qin imitated the administrative reforms of the other states, thereby becoming a powerhouse.[9] Its final expansion began during the reign of Ying Zheng, ultimately unifying the other six regional powers, and enabling him to proclaim himself as China's first emperor—known to history as Qin Shi Huang.

Imperial China

Early imperial China

Qin dynasty (221–206 BC)

The massive Terracotta Army of Qin Shi Huang, a UNESCO World Heritage Site

Ying Zheng's establishment of the Qin dynasty (秦朝) in 221 BC effectively formalised the region as a true empire for the first time in Chinese history, rather than a state, and its pivotal status probably led to "Qin" () later evolving into the Western term "China".[40] To emphasise his sole rule, Zheng proclaimed himself Shi Huangdi (; "First Emperor"); the Huangdi title, derived from Chinese mythology, became the standard for subsequent rulers.[41][a] Based in Xianyang, the empire was a centralized bureaucratic monarchy, a governing scheme which dominated the future of Imperial China.[43][44] In an effort to improve the Zhou's perceived failures, this system consisted of more than 36 commanderies (; jun),[b] made up of counties (; xian) and progressively smaller divisions, each with a local leader.[47]

Many aspects of society were informed by Legalism, a state ideology promoted by the emperor and his chancellor Li Si that was introduced at an earlier time by Shang Yang.[48] In legal matters this philosophy emphasised mutual responsibility in disputes and severe punishments for crime, while economic practices included the general encouragement of agriculture and repression of trade.[48] Reforms occurred in weights and measures, writing styles (seal script) and metal currency (Ban Liang), all of which were standardized.[49][50] Traditionally, Qin Shi Huang is regarded as ordering a mass burning of books and the live burial of scholars under the guise of Legalism, though contemporary scholars express considerable doubt on the historicity of this event.[48] Despite its importance, Legalism was probably supplemented in non-political matters by Confucianism for social and moral beliefs and the five-element Wuxing (五行) theories for cosmological thought.[51]

The Qin administration kept exhaustive records on their population, collecting information on their sex, age, social status and residence.[52] Commoners, who made up over 90% of the population,[53] "suffered harsh treatment" according to the historian Patricia Buckley Ebrey, as they were often conscripted into forced labor for the empire's construction projects.[54] This included a massive system of imperial highways in 220 BC, which ranged around 4,250 miles (6,840 km) altogether.[55] Other major construction projects were assigned to the general Meng Tian, who concurrently led a successful campaign against the northern Xiongnu peoples (210s BC), reportedly with 300,000 troops.[55][c] Under Qin Shi Huang's orders, Meng supervised the combining of numerous ancient walls into what came to be known as the Great Wall of China and oversaw the building of a 500 miles (800 km) straight highway between northern and southern China.[57] The emperor also oversaw the construction of his monumental mausoleum, which includes the well known Terracotta Army.[58]

After Qin Shi Huang's death the Qin government drastically deteriorated and eventually capitulated in 207 BC after the Qin capital was captured and sacked by rebels, which would ultimately lead to the establishment of the Han Empire.[59][60]

Han dynasty (206 BC – AD 220)

Western Han
Map showing the expansion of Han dynasty in the 2nd century BC

The Han dynasty was founded by Liu Bang, who emerged victorious in the Chu–Han Contention that followed the fall of the Qin dynasty. A golden age in Chinese history, the Han dynasty's long period of stability and prosperity consolidated the foundation of China as a unified state under a central imperial bureaucracy, which was to last intermittently for most of the next two millennia. During the Han dynasty, territory of China was extended to most of the China proper and to areas far west. Confucianism was officially elevated to orthodox status and was to shape the subsequent Chinese civilization. Art, culture and science all advanced to unprecedented heights. With the profound and lasting impacts of this period of Chinese history, the dynasty name "Han" had been taken as the name of the Chinese people, now the dominant ethnic group in modern China, and had been commonly used to refer to Chinese language and written characters.

After the initial laissez-faire policies of Emperors Wen and Jing, the ambitious Emperor Wu brought the empire to its zenith. To consolidate his power, he disenfranchised the majority of imperial relatives, appointing military governors to control their former lands.[61] As a further step, he extended patronage to Confucianism, which emphasizes stability and order in a well-structured society. Imperial Universities were established to support its study. At the urging of his Legalist advisors, however, he also strengthened the fiscal structure of the dynasty with government monopolies.

Western-Han painted ceramic jar decorated with raised reliefs of dragons, phoenixes
Reverse side of a Western-Han bronze mirror with painted designs of a flower motif

Major military campaigns were launched to weaken the nomadic Xiongnu Empire, limiting their influence north of the Great Wall. Along with the diplomatic efforts led by Zhang Qian, the sphere of influence of the Han Empire extended to the states in the Tarim Basin, opened up the Silk Road that connected China to the west, stimulating bilateral trade and cultural exchange. To the south, various small kingdoms far beyond the Yangtze River Valley were formally incorporated into the empire.

Emperor Wu also dispatched a series of military campaigns against the Baiyue tribes. The Han annexed Minyue in 135 BC and 111 BC, Nanyue in 111 BC, and Dian in 109 BC.[62] Migration and military expeditions led to the cultural assimilation of the south.[63] It also brought the Han into contact with kingdoms in Southeast Asia, introducing diplomacy and trade.[64]

After Emperor Wu the empire slipped into gradual stagnation and decline. Economically, the state treasury was strained by excessive campaigns and projects, while land acquisitions by elite families gradually drained the tax base. Various consort clans exerted increasing control over strings of incompetent emperors and eventually the dynasty was briefly interrupted by the usurpation of Wang Mang.

Xin dynasty

In AD 9 the usurper Wang Mang claimed that the Mandate of Heaven called for the end of the Han dynasty and the rise of his own, and he founded the short-lived Xin dynasty. Wang Mang started an extensive program of land and other economic reforms, including the outlawing of slavery and land nationalization and redistribution. These programs, however, were never supported by the landholding families, because they favored the peasants. The instability of power brought about chaos, uprisings, and loss of territories. This was compounded by mass flooding of the Yellow River; silt buildup caused it to split into two channels and displaced large numbers of farmers. Wang Mang was eventually killed in Weiyang Palace by an enraged peasant mob in AD 23.

Eastern Han

Emperor Guangwu reinstated the Han dynasty with the support of landholding and merchant families at Luoyang, east of the former capital Xi'an. Thus, this new era is termed the Eastern Han dynasty. With the capable administrations of Emperors Ming and Zhang, former glories of the dynasty were reclaimed, with brilliant military and cultural achievements. The Xiongnu Empire was decisively defeated. The diplomat and general Ban Chao further expanded the conquests across the Pamirs to the shores of the Caspian Sea,[65]:175 thus reopening the Silk Road, and bringing trade, foreign cultures, along with the arrival of Buddhism. With extensive connections with the west, the first of several Roman embassies to China were recorded in Chinese sources, coming from the sea route in AD 166, and a second one in AD 284.

The Eastern Han dynasty was one of the most prolific eras of science and technology in ancient China, notably the historic invention of papermaking by Cai Lun, and the numerous scientific and mathematical contributions by the famous polymath Zhang Heng.

Six Dynasties

Three Kingdoms (AD 220–280)

By the 2nd century, the empire declined amidst land acquisitions, invasions, and feuding between consort clans and eunuchs. The Yellow Turban Rebellion broke out in AD 184, ushering in an era of warlords. In the ensuing turmoil, three states emerged, trying to gain predominance and reunify the land, giving this historical period its name. The classic historical novel Romance of the Three Kingdoms dramatizes events of this period.

The warlord Cao Cao reunified the north in 208, and in 220 his son accepted the abdication of Emperor Xian of Han, thus initiating the Wei dynasty. Soon, Wei's rivals Shu and Wu proclaimed their independence. This period was characterized by a gradual decentralization of the state that had existed during the Qin and Han dynasties, and an increase in the power of great families.

In 266, the Jin dynasty overthrew the Wei and later unified the country in 280, but this union was short-lived.

Jin dynasty (AD 266–420)

Jin dynasty (AD 266–420)
View of Maijishan hill caves, grottoes and stairways.

The Jin dynasty reunited China proper for the first time since the end of the Han dynasty, ending the Three Kingdoms era. However, the Jin dynasty was severely weakened by the War of the Eight Princes and lost control of northern China after non-Han Chinese settlers rebelled and captured Luoyang and Chang'an. In 317, the Jin prince Sima Rui, based in modern-day Nanjing, became emperor and continued the dynasty, now known as the Eastern Jin, which held southern China for another century. Prior to this move, historians refer to the Jin dynasty as the Western Jin.

Sixteen Kingdoms (AD 304–439)

Northern China fragmented into a series of independent states known as the Sixteen Kingdoms, most of which were founded by Xiongnu, Xianbei, Jie, Di and Qiang rulers. These non-Han peoples were ancestors of the Turks, Mongols, and Tibetans. Many had, to some extent, been "sinicized" long before their ascent to power. In fact, some of them, notably the Qiang and the Xiongnu, had already been allowed to live in the frontier regions within the Great Wall since late Han times. During this period, warfare ravaged the north and prompted large-scale Han Chinese migration south to the Yangtze River Basin and Delta.

Northern and Southern dynasties (AD 420–589)

Northern and Southern dynasties (AD 420–589)
Southern and Northern Dynasties, 440 AD
Hanging Monastery, a temple with the combination of Taoism, Buddhism, and Confucianism.

In the early 5th century China entered a period known as the Northern and Southern dynasties, in which parallel regimes ruled the northern and southern halves of the country. In the south, the Eastern Jin gave way to the Liu Song, Southern Qi, Liang and finally Chen. Each of these Southern dynasties were led by Han Chinese ruling families and used Jiankang (modern Nanjing) as the capital. They held off attacks from the north and preserved many aspects of Chinese civilization, while northern barbarian regimes began to sinify.

In the north the last of the Sixteen Kingdoms was extinguished in 439 by the Northern Wei, a kingdom founded by the Xianbei, a nomadic people who unified northern China. The Northern Wei eventually split into the Eastern and Western Wei, which then became the Northern Qi and Northern Zhou. These regimes were dominated by Xianbei or Han Chinese who had married into Xianbei families. During this period most Xianbei people adopted Han surnames, eventually leading to complete assimilation into the Han.

Despite the division of the country, Buddhism spread throughout the land. In southern China, fierce debates about whether Buddhism should be allowed were held frequently by the royal court and nobles. By the end of the era, Buddhists and Taoists had become much more tolerant of each other.[66]

Mid-imperial China

Sui dynasty (581–618)

Sui dynasty (AD 581–618)
Sui dynasty c. 609
Yang Guang depicted as Emperor Yang of Sui

The short-lived Sui dynasty was a pivotal period in Chinese history. Founded by Emperor Wen in 581 in succession of the Northern Zhou, the Sui went on to conquer the Southern Chen in 589 to reunify China, ending three centuries of political division. The Sui pioneered many new institutions, including the government system of Three Departments and Six Ministries, imperial examinations for selecting officials from commoners, while improved on the systems of fubing system of the army conscription and the equal-field system of land distributions. These policies, which were adopted by later dynasties, brought enormous population growth, and amassed excessive wealth to the state. Standardized coinage was enforced throughout the unified empire. Buddhism took root as a prominent religion and was supported officially. Sui China was known for its numerous mega-construction projects. Intended for grains shipment and transporting troops, the