Sui dynasty c.609
Administrative division of the Sui dynasty circa 610 AD
|Capital||Daxing (581–605), Luoyang (605–618)|
|Common languages||Middle Chinese|
|Religion||Buddhism, Taoism, Confucianism, Chinese folk religion, Zoroastrianism|
|Historical era||Postclassical Era|
• Ascension of Yang Jian
|4 March 581|
• Abolished by Li Yuan
|23 May 618|
|589 est.||3,000,000 km2 (1,200,000 sq mi)|
|est. 46,019,956 [a]|
|Currency||Chinese coin, Chinese cash|
|Today part of|| China |
"Sui dynasty" in Chinese characters
|History of China|
|Neolithic c. 8500 – c. 2070 BC|
|Xia c. 2070 – c. 1600 BC|
|Shang c. 1600 – c. 1046 BC|
|Zhou c. 1046 – 256 BC|
|Spring and Autumn|
|Qin 221–207 BC|
|Han 202 BC – 220 AD|
|Three Kingdoms 220–280|
|Wei , Shu and Wu|
|Eastern Jin||Sixteen Kingdoms|
| Northern and Southern dynasties |
|(Wu Zhou 690–705)|
| Five Dynasties and|
|Northern Song||Western Xia|
|Southern Song||Jin||Western Liao|
|Republic of China on mainland 1912–1949|
|People's Republic of China 1949–present|
|Republic of China on Taiwan 1949–present|
The Sui dynasty (Chinese : 隋朝 ; pinyin :Suí cháo) was a short-lived imperial dynasty of China of pivotal significance. The Sui unified the Northern and Southern dynasties and reinstalled the rule of ethnic Chinese in the entirety of China proper, along with sinicization of former nomadic ethnic minorities (Five Barbarians) within its territory. It was succeeded by the Tang dynasty, which largely inherited its foundation.
Founded by Emperor Wen of Sui, the Sui dynasty capital was Chang'an (which was renamed Daxing, modern Xi'an) from 581–605 and later Luoyang (605–618). Emperors Wen and Yang undertook various centralized reforms, most notably the equal-field system, intended to reduce economic inequality and improve agricultural productivity; the institution of the Three Departments and Six Ministries system; and the standardization and re-unification of the coinage. They also spread and encouraged Buddhism throughout the empire. By the middle of the dynasty, the newly unified empire entered a golden age of prosperity with vast agricultural surplus that supported rapid population growth.
A lasting legacy of the Sui dynasty was the Grand Canal.With the eastern capital Luoyang at the center of the network, it linked the west-lying capital Chang'an to the economic and agricultural centers of the east towards Hangzhou, and to the northern border near modern Beijing. While the pressing initial motives were for shipment of grains to the capital, and for transporting troops and military logistics, the reliable inland shipment links would facilitate domestic trades, flow of people and cultural exchange for centuries. Along with the extension of the Great Wall, and the construction of the eastern capital city of Luoyang, these mega projects, led by an efficient centralized bureaucracy, would amass millions of conscripted workers from the large population base, at heavy cost of human lives.
After a series of costly and disastrous military campaigns against Goguryeo, one of the Three Kingdoms of Korea,ended in defeat by 614, the dynasty disintegrated under a series of popular revolts culminating in the assassination of Emperor Yang by his ministers in 618. The dynasty, which lasted only thirty-seven years, was undermined by ambitious wars and construction projects, which overstretched its resources. Particularly, under Emperor Yang, heavy taxation and compulsory labor duties would eventually induce widespread revolts and brief civil war following the fall of the dynasty.
The dynasty is often compared to the earlier Qin dynasty for unifying China after prolonged division. Wide-ranging reforms and construction projects were undertaken to consolidate the newly unified state, with long-lasting influences beyond their short dynastic reigns.
Towards the late Northern and Southern dynasties, the Northern Zhou conquered the Northern Qi in 577 and reunified northern China. The century's trend of gradual conquest of the southern dynasties of the Han Chinese by the northern dynasties, which were ruled by ethnic minority Xianbei, would become inevitable. By this time, the later founder of the Sui dynasty, Yang Jian, an ethnic Han Chinese, became the regent to the Northern Zhou court. His daughter was the Empress Dowager, and her stepson, Emperor Jing of Northern Zhou, was a child. After crushing an army in the eastern provinces, Yang Jian usurped the throne to become Emperor Wen of Sui. While formerly the Duke of Sui when serving at the Zhou court, where the character "Sui 隨 " literally means "to follow" and implies loyalty, Emperor Wen created the unique character "Sui (隋)", morphed from the character of his former title, as the name of his newly founded dynasty. In a bloody purge, he had fifty-nine princes of the Zhou royal family eliminated, yet nevertheless became known as the "Cultured Emperor". Emperor Wen abolished the anti-Han policies of Zhou and reclaimed his Han surname of Yang. Having won the support of Confucian scholars who held power in previous Han dynasties (abandoning the nepotism and corruption of the nine-rank system), Emperor Wen initiated a series of reforms aimed at strengthening his empire for the wars that would reunify China.
In his campaign for southern conquest, Emperor Wen assembled thousands of boats to confront the naval forces of the Chen dynasty on the Yangtze River. The largest of these ships were very tall, having five layered decks and the capacity for 800 non-crew personnel. They were outfitted with six 50-foot-long booms that were used to swing and damage enemy ships, or to pin them down so that Sui marine troops could use act-and-board techniques. 89 Besides employing Xianbei and other Chinese ethnic groups for the fight against Chen, Emperor Wen also employed the service of people from southeastern Sichuan, which Sui had recently conquered. :89:
In 588, the Sui had amassed 518,000 troops along the northern bank of the Yangtze River, stretching from Sichuan to the East China Sea.The Chen dynasty could not withstand such an assault. By 589, Sui troops entered Jiankang (Nanjing) and the last emperor of Chen surrendered. The city was razed to the ground, while Sui troops escorted Chen nobles back north, where the northern aristocrats became fascinated with everything the south had to provide culturally and intellectually.
Although Emperor Wen was famous for bankrupting the state treasury with warfare and construction projects, he made many improvements to infrastructure during his early reign. He established granaries as sources of food and as a means to regulate market prices from the taxation of crops, much like the earlier Han dynasty. The large agricultural surplus supported rapid growth of population to a historical peak, which was only surpassed at the zenith of the Tang Dynasty more than a century later.
The state capital of Chang'an (Daxing), while situated in the militarily secure heartland of Guanzhong, was remote from the economic centers to the east and south of the empire. Emperor Wen initiated the construction of the Grand Canal, with completion of the first (and the shortest) route that directly linked Chang'an to the Yellow River (Huang He). Later, Emperor Yang enormously enlarged the scale of the Grand Canal construction.
Externally, the emerging nomadic Turkic (Tujue) Khaganate in the north posed a major threat to the newly founded dynasty. With Emperor Wen's diplomatic maneuver, the Khaganate split into Eastern and Western halves. Later the Great Wall was consolidated to further secure the northern territory. In Emperor Wen's late years, the first war with Goguryeo (Korea), ended with defeat. Nevertheless, the celebrated "[Reign of Kaihuang" (era name of Emperor Wen)" was considered by historians as one of the apexes in the two millennium imperial period of Chinese history.
The Sui Emperors were from the northwest military aristocracy, and emphasized that their patrilineal ancestry was ethnic Han, claiming descent from the Han official Yang Zhen.The New Book of Tang traced his patrilineal ancestry to the Zhou dynasty kings via the Dukes of Jin.
The Yang of Hongnong 弘農楊氏 [ excessive citations ] were asserted as ancestors by the Sui Emperors, much as the Longxi Li's were asserted as ancestors of the Tang Emperors. The Li of Zhaojun and the Lu of Fanyang hailed from Shandong and were related to the Liu clan which was also linked to the Yang of Hongnong and other clans of Guanlong. The Dukes of Jin were claimed as the ancestors of the Hongnong Yang.
The Yang of Hongnong, Jia of Hedong, Xiang of Henei, and Wang of Taiyuan from the Tang dynasty were claimed as ancestors by Song dynasty lineages.
Information about these major political events in China were somehow filtered west and reached the Byzantine Empire, the continuation of the Roman Empire in the east. From Turkic peoples of Central Asia the Eastern Romans derived a new name for China after the older Sinae and Serica : Taugast (Old Turkic: Tabghach ), during its Northern Wei (386–535) period.The 7th-century Byzantine historian Theophylact Simocatta wrote a generally accurate depiction of the reunification of China by Emperor Wen of Sui Dynasty, with the conquest of the rival Chen Dynasty in southern China. Simocatta correctly placed these events within the reign period of Byzantine ruler Maurice. Simocatta also provided cursory information about the geography of China, its division by the Yangzi River and its capital Khubdan (from Old Turkic Khumdan, i.e. Chang'an) along with its customs and culture, deeming its people "idolatrous" but wise in governance. He noted that the ruler was named "Taisson", which he claimed meant "Son of God", perhaps Chinese Tianzi (Son of Heaven) or even the name of the contemporary ruler Emperor Taizong of Tang.
Emperor Yang of Sui (569–618) ascended the throne after his father's death, possibly by murder. He further extended the empire, but unlike his father, did not seek to gain support from the nomads. Instead, he restored Confucian education and the Confucian examination system for bureaucrats. By supporting educational reforms, he lost the support of the nomads. He also started many expensive construction projects such as the Grand Canal of China, and became embroiled in several costly wars. Between these policies, invasions into China from Turkic nomads, and his growing life of decadent luxury at the expense of the peasantry, he lost public support and was eventually assassinated by his own ministers.
Both Emperors Yang and Wen sent military expeditions into Vietnam as Annam in northern Vietnam had been incorporated into the Chinese empire over 600 years earlier during the Han dynasty (202 BC – 220 AD). However the Kingdom of Champa in central Vietnam became a major counterpart to Chinese invasions to its north. According to Ebrey, Walthall, and Palais, these invasions became known as the Linyi-Champa Campaign (602–605).
The Hanoi area formerly held by the Han and Jin dynasties was easily recovered from the local ruler in 602. A few years later the Sui army pushed farther south and was attacked by troops on war elephants from Champa in southern Vietnam. The Sui army feigned retreat and dug pits to trap the elephants, lured the Champan troops to attack then used crossbows against the elephants causing them to turn around and trample their own soldiers. Although Sui troops were victorious many succumbed to disease as northern soldiers did not have immunity to tropical diseases such as malaria. 90:
The Sui dynasty led a series of massive expeditions to invade Goguryeo, one of the Three Kingdoms of Korea. Emperor Yang conscripted many soldiers for the campaign. This army was so enormous it recorded in historical texts that it took 30 days for all the armies to exit their last rallying point near Shanhaiguan before invading Goguryeo. In one instance the soldiers—both conscripted and paid—listed over 3000 warships, up to 1.15 million infantry, 50,000 cavalry, 5000 artillery, and more. The army stretched to 1000 li or about 410 km (250 mi) across rivers and valleys, over mountains and hills. Each of the four military expeditions ended in failure, incurring a substantial financial and manpower deficit from which the Sui would never recover.
One of the major work projects undertaken by the Sui was construction activities along the Great Wall of China; but this, along with other large projects, strained the economy and angered the resentful workforce employed. During the last few years of the Sui dynasty, the rebellion that rose against it took many of China's able-bodied men from rural farms and other occupations, which in turn damaged the agricultural base and the economy further.Men would deliberately break their limbs in order to avoid military conscription, calling the practice "propitious paws" and "fortunate feet." Later, after the fall of Sui, in the year 642, Emperor Taizong of Tang made an effort to eradicate this practice by issuing a decree of a stiffer punishment for those who were found to deliberately injure and heal themselves.
Although the Sui dynasty was relatively short (581–618), much was accomplished during its tenure. The Grand Canal was one of the main accomplishments. It was extended north from the Hangzhou region across the Yangzi to Yangzhou and then northwest to the region of Luoyang. Again, like the Great Wall works, the massive conscription of labor and allocation of resources for the Grand Canal project resulted in challenges for Sui dynastic continuity. The eventual fall of the Sui dynasty was also due to the many losses caused by the failed military campaigns against Goguryeo. It was after these defeats and losses that the country was left in ruins and rebels soon took control of the government. Emperor Yang was assassinated in 618. He had gone South after the capital being threatened by various rebel groups and was killed by his advisors (Yuwen Clan). Meanwhile, in the North, the aristocrat Li Yuan (李淵) held an uprising after which he ended up ascending the throne to become Emperor Gaozu of Tang. This was the start of the Tang dynasty, one of the most-noted dynasties in Chinese history.
There were Dukedoms for the offspring of the royal families of the Zhou dynasty, Sui dynasty, and Tang dynasty in the Later Jin (Five Dynasties).This practice was referred to as Èr wángsānkè (二王三恪).
Although the Sui dynasty was relatively short-lived, in terms of culture, it represents a transition from the preceding ages, and many cultural developments which can be seen to be incipient during the Sui dynasty later were expanded and consolidated during the ensuing Tang dynasty, and later ages. This includes not only the major public works initiated, such as the Great Wall and the Great Canal, but also the political system developed by Sui, which was adopted by Tang with little initial change other than at the top of the political hierarchy. Other cultural developments of the Sui dynasty included religion and literature, particular examples being Buddhism and poetry.
Rituals and sacrifices were conducted by the Sui.
Buddhism was popular during the Sixteen Kingdoms and Northern and Southern dynasties period that preceded the Sui dynasty, spreading from India through Kushan Afghanistan into China during the Late Han period. Buddhism gained prominence during the period when central political control was limited. Buddhism created a unifying cultural force that uplifted the people out of war and into the Sui dynasty. In many ways, Buddhism was responsible for the rebirth of culture in China under the Sui dynasty.
While early Buddhist teachings were acquired from Sanskrit sutras from India, it was during the late Six dynasties and Sui dynasty that local Chinese schools of Buddhist thoughts started to flourish. Most notably, Zhiyi founded the Tiantai school and completed the Great treatise on Concentration and Insight, within which he taught the principle of "Three Thousand Realms in a Single moment of Life" as the essence of Buddhist teaching outlined in the Lotus Sutra.
Emperor Wen and his empress had converted to Buddhism to legitimize imperial authority over China and the conquest of Chen. The emperor presented himself as a Cakravartin king, a Buddhist monarch who would use military force to defend the Buddhist faith. In the year 601 AD, Emperor Wen had relics of the Buddha distributed to temples throughout China, with edicts that expressed his goals, "all the people within the Four Seas may, without exception, develop enlightenment and together cultivate fortunate karma, bringing it to pass that present existences will lead to happy future lives, that the sustained creation of good causation will carry us one and all up to wondrous enlightenment". 89 Ultimately, this act was an imitation of the ancient Mauryan Emperor Ashoka of India. :89:
Although poetry continued to be written, and certain poets rose in prominence while others disappeared from the landscape, the brief Sui dynasty, in terms of the development of Chinese poetry, lacks distinction, though it nonetheless represents a continuity between the Six Dynasties and the poetry of Tang.Sui dynasty poets include Yang Guang (580–618), who was the last Sui emperor (and a sort of poetry critic); and also, the Lady Hou, one of his consorts.
|Posthumous Name (Shi Hao 諡號)|
Convention: "Sui" + name
|Birth Name||Period of Reign||Era Names (Nian Hao 年號) and their according range of years|
|Wéndì (文帝)||Yáng Jiān (楊堅)||581–604||Kāihuáng (開皇) 581–600|
Rénshòu (仁壽) 601–604
| Yángdì (煬帝) or|
|Yáng Guǎng (楊廣)||604–618||Dàyè (大業) 605–618|
|Gōngdì (恭帝)||Yáng Yòu (楊侑)||617–618||Yìníng (義寧) 617–618|
|Gōngdì (恭帝)||Yáng Tóng (楊侗)||618–619||Huángtài (皇泰) 618–619|
|Emperors family tree|
Year 618 (DCXVIII) was a common year starting on Sunday of the Julian calendar. The denomination 618 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The Northern and Southern dynasties was a period in the history of China that lasted from 386 to 589, following the tumultuous era of the Sixteen Kingdoms and the Wu Hu states. It is sometimes considered as the latter part of a longer period known as the Six Dynasties. Though an age of civil war and political chaos, it was also a time of flourishing arts and culture, advancement in technology, and the spread of Mahayana Buddhism and Daoism. The period saw large-scale migration of Han Chinese to the lands south of the Yangtze. The period came to an end with the unification of all of China proper by Emperor Wen of the Sui dynasty.
Luoyang is a city located in the confluence area of Luo River and Yellow River in the west of Henan province. Governed as a prefecture-level city, it borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast. As of the final 2010 census, Luoyang had a population of 6,549,941 inhabitants with 1,857,003 people living in the built-up area made of the city's five urban districts, all of which except the Jili District are not urbanized yet.
Emperor Taizong of Tang, previously Prince of Qin, personal name Li Shimin, was the second emperor of the Tang dynasty of China, ruling from 626 to 649. He is traditionally regarded as a co-founder of the dynasty for his role in encouraging Li Yuan, his father, to rebel against the Sui dynasty at Jinyang in 617. Taizong subsequently played a pivotal role in defeating several of the dynasty's most dangerous opponents and solidifying its rule over China.
Emperor Gaozu of Tang, born Li Yuan, courtesy name Shude, was the founder of the Tang dynasty of China, and the first emperor of this dynasty from 618 to 626. Under the Sui dynasty, Li Yuan was the governor in the area of modern-day Shanxi, and was based in Taiyuan.
Emperor Wen of Sui, personal name Yang Jian (楊堅), Xianbei name Puliuru Jian (普六茹堅), nickname Narayana deriving from Buddhist terms, was the founder and first emperor of China's Sui dynasty. He was a hard-working administrator and a micromanager. The Sui Shu records him as having withdrawn his favour from the Confucians, giving it to "the group advocating Xing-Ming and authoritarian government." As a Buddhist, he encouraged the spread of Buddhism through the state. He is regarded as one of the most important emperors in ancient China history, reunifying China in 589 after centuries of division since the fall of the Western Jin dynasty in 316. During his reign, the construction of the Grand Canal began.
Emperor Yang of Sui, personal name Yang Guang (楊廣), alternative name Ying (英), nickname Amo (阿摩), also known as Emperor Ming (明帝) during the brief reign of his grandson Yang Tong), was the second son of Emperor Wen of Sui, and the second emperor of China's Sui dynasty.
The Goguryeo–Sui War were a series of invasions launched by the Sui dynasty of China against Goguryeo, one of the Three Kingdoms of Korea, between AD 598 and AD 614. It resulted in the defeat of the Sui and was one of the pivotal factors in the collapse of the dynasty, which led to its overthrow by the Tang dynasty in AD 618.
Su Wei, courtesy name Wuwei (無畏), was a high-level official of the Chinese dynasty Sui Dynasty. He first became an important official during the reign of Sui's founder Emperor Wen, and after Emperor Wen's death continued to serve Emperor Wen's son Emperor Yang. He was often praised for his abilities and integrity but criticized for pettiness. After Emperor Yang was assassinated in 618, he was nominally an official under Emperor Yang's nephew Yang Hao, and then under the warlords Yuwen Huaji, Li Mi, and Wang Shichong. After Wang Shichong's state of Zheng was destroyed by Tang Dynasty in 621, neither the Tang general Li Shimin nor Li Shimin's father Emperor Gaozu of Tang was interested in retaining Su as an official, and Su Wei died soon thereafter.
Yang Xuangan was an official of the Chinese dynasty Sui Dynasty. He was the son of the powerful official Yang Su, and, as he knew that Emperor Yang was apprehensive of his father, was never quite secure. In 613, when Emperor Yang was attacking Goguryeo, he rebelled near the eastern capital Luoyang, but was soon defeated. He ordered his brother Yang Jishan (楊積善) to kill him, as to not fall into Emperor Yang's hands.
Yuwen Shu, courtesy name Botong (伯通), formally Duke Gong of Xu (許恭公), was an official and general of the Sui Dynasty of China. He was a confidant of Emperor Yang and was instrumental in Yang Guang's displacement of his brother Yang Yong as crown prince; therefore, after Yang Guang became emperor, Yuwen Shu became exceedingly powerful and was one of two generals who spearheaded Yangdi's efforts in the Goguryeo-Sui Wars. His son Yuwen Huaji later led a coup against Emperor Yang in 618 and, after killing Emperor Yang, briefly claimed imperial title in 619, but was soon captured and killed. Another son of Yuwen Shu, Yuwen Shiji, however, was a friend of Tang Dynasty's founder Li Yuan, and after Li Yuan established Tang remained an influential official.
Yu Shiji, courtesy name Maoshi, was an official of the Chinese dynasties Chen Dynasty and Sui Dynasty. He was particularly powerful during the reign of Emperor Yang of Sui and became prime minister, and was faulted by traditional historians for placating Emperor Yang and not reacting properly to agrarian rebellions. When Emperor Yang was killed in a coup led by the general Yuwen Huaji in 618, Yu was also killed.
Yang Tong, known in traditional histories by his princely title of Prince of Yue (越王) or by his era name as Lord Huangtai (皇泰主), posthumous name Emperor Gong (恭皇帝), courtesy name Renjin (仁謹), was an emperor of the Chinese Sui Dynasty. During the disturbances that permeated throughout the Sui state late in the dynasty's history, his grandfather Emperor Yang left him in charge of the eastern capital Luoyang, and after Emperor Yang was killed by the general Yuwen Huaji in 618, the Sui officials in Luoyang declared Yang Tong emperor. However, soon one of those officials, Wang Shichong, seized power, and in 619 had Yang Tong yield the throne to him, ending Sui. Soon, he was killed on Wang's orders.
Li Mi, courtesy name Xuansui (玄邃), pseudonym Liu Zhiyuan (劉智遠), was the leader of a rebel movement against the rule of the Chinese Sui dynasty. He initially was the strategist of the Sui general Yang Xuangan, who rebelled against Emperor Yang of Sui in 613 but failed, and Li subsequently led a rebellion against Emperor Yang in his own right in 617. He gained so much following that there was widespread expectation that he soon would be able to prevail over Sui forces and establish a new dynasty—so much so that even other key rebel leaders, including Dou Jiande, Meng Haigong (孟海公), Xu Yuanlang, and Zhu Can, were urging him to take imperial title. Even Li Yuan was writing him in supplicating terms that implicitly supported his imperial claim. Li Mi tried to gain control of the Sui eastern capital Luoyang, but his forced became stalemated by the Sui forces there, and he never came around to claiming the imperial title, instead accepting the title of Duke of Wei. In October 618, the Sui general Wang Shichong crushed his forces at Yanshi. Li Mi fled to Tang territory and submitted to Emperor Gaozu, but subsequently rebelled against Tang and tried to revive his own army. The Tang general Sheng Yanshi (盛彥師) captured and executed him.
The transition from Sui to Tang refers to the transition period between the end of the Sui dynasty and the start of the Tang dynasty, when the former dynasty's territories were carved into a handful of short-lived states by its officials, generals, and agrarian rebel leaders, and the process of elimination and annexation that followed which ultimately culminated in the consolidation of the Tang dynasty by the former Sui general Li Yuan. The transition started roughly around the year of 613 when Emperor Yang of Sui launched his first of three failed campaigns against Goguryeo, leading to a number of desertions in the army and the start of agrarian revolt against the Sui, and ended in 628, when Emperor Gaozu's son Li Shimin annexed the agrarian rebel ruler Liang Shidu's state of Liang, thereby once again unifying most of China under a single power.
Pei Ju (547-627), birth name Pei Shiju, courtesy name Hongda, formally Duke Jing of Anyi, was a Chinese cartographer, diplomat, politician, and writer who lived in the Sui and Tang dynasties, briefly serving as a chancellor during the reign of Emperor Gaozu of Tang. He was praised by traditional Chinese historians for his ability and lack of corruption, but blamed for flattering Emperor Yang of Sui and practically directly contributing to Sui's downfall by encouraging many external military campaigns that drained Sui's resources. Modern historians have questioned these assessments: Arthur F. Wright labelled the latter judgement in the Zizhi tongjian a "particularly blatant piece of editorializing" and "absurd ... beyond doubt".
Yao Silian, courtesy name Jianzhi (簡之), formally Baron Kang of Fengcheng (豐成康男), was an official of the Chinese dynasties Sui Dynasty and Tang Dynasty and was the lead author of the Book of Liang and Book of Chen, official histories of Liang Dynasty and Chen Dynasty, which his father Yao Cha (姚察), a Chen official, had begun but did not finish.
The Battle of Yanshi (偃師之戰) was fought on 5–6 October 618 between the armies of Wang Shichong and Li Mi, rival contenders for the succession of the Sui dynasty. Wang, who was still ostensibly a Sui loyalist and had been blockaded in Luoyang for months by Li Mi, gambled on a decisive battle and led his troops out to attack the besieging army. Li assembled his forces on a naturally defensible position north of Yanshi town, but Wang managed to surprise Li's forces and approach their camp before they could react. Aided by a secondary cavalry attack from the rear, Wang secured a decisive victory over Li's forces. Although Li managed to escape with part of his army, his authority was shattered, and his followers joined Wang. While Li Mi sought refuge in the rival Tang court, Wang consolidated his control over Henan and eventually deposed the Sui puppet ruler Yang Tong and declared himself as emperor of the new Zheng dynasty. Wang's power lasted until his surrender to the Tang prince Li Shimin in 621.
Lai Hu'er, courtesy name Chongshan, titled Duke of Rong, was a general in Sui dynasty of China. He played an important role in the conquest of Chen dynasty in 589, as well as the campaigns against Goguryeo led by Emperor Yang.
The military history of the Sui and Tang dynasties encompasses the period of Chinese military activity from 581 to 907. Although the Sui dynasty preceded the Tang, it was extremely short lived, ending in 618. The two dynasties share many similar trends and behaviors in terms of military tactics, strategy, and technology. It can therefore be viewed that the Tang continued the Sui tradition, or that the Sui set the precedent for the Tang dynasty.
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Northern and Southern dynasties
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