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| China under the Tang Dynasty (teal) circa 700 AD | |
| Capital | Chang'an (618–904) Luoyang (904–907) |
| Language(s) | Chinese |
| Religion | Buddhism, Taoism, Confucianism, Chinese folk religion |
| Government | Monarchy |
| History | |
| - Li Yuan taking over the throne of the Sui Dynasty | June 18, 618 |
| - disestablished by Wu Zetian | October 16, 690 |
| - Re-established | March 3, 705 |
| - Zhu Quanzhong usurps authority; the end of Tang rule | June 4, 907 |
| Currency | Chinese coin, Chinese cash |
| The Tang Dynasty was interrupted briefly by the Second Zhou Dynasty (October 16 690 – March 3 705) when Empress Wu Zetian seized the throne. | |
| This article contains Chinese text. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Chinese characters. |
| History of China | |||||||
|---|---|---|---|---|---|---|---|
| ANCIENT | |||||||
| 3 Sovereigns and 5 Emperors | |||||||
| Xia Dynasty 2100–1600 BC | |||||||
| Shang Dynasty 1600–1046 BC | |||||||
| Zhou Dynasty 1122–256 BC | |||||||
| Western Zhou | |||||||
| Eastern Zhou | |||||||
| Spring and Autumn Period | |||||||
| Warring States Period | |||||||
| IMPERIAL | |||||||
| Qin Dynasty 221 BC–206 BC | |||||||
| Han Dynasty 206 BC–220 AD | |||||||
| Western Han | |||||||
| Xin Dynasty | |||||||
| Eastern Han | |||||||
| Three Kingdoms 220–280 | |||||||
| Wei, Shu & Wu | |||||||
| Jin Dynasty 265–420 | |||||||
| Western Jin | 16 Kingdoms 304–439 | ||||||
| Eastern Jin | |||||||
| Southern & Northern Dynasties 420–589 | |||||||
| Sui Dynasty 581–618 | |||||||
| Tang Dynasty 618–907 | |||||||
| ( Second Zhou 690–705 ) | |||||||
| 5 Dynasties & 10 Kingdoms 907–960 |
Liao Dynasty 907–1125 |
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| Song Dynasty 960–1279 |
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| Northern Song | W. Xia | ||||||
| Southern Song | Jin | ||||||
| Yuan Dynasty 1271–1368 | |||||||
| Ming Dynasty 1368–1644 | |||||||
| Qing Dynasty 1644–1911 | |||||||
| MODERN | |||||||
| Republic of China 1912–1949 | |||||||
| People's Republic of China (Mainland China) 1949–present |
Republic of China |
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The Tang Dynasty (Chinese: 唐朝; pinyin: Táng Cháo; Middle Chinese: dhɑng) (June 18, 618 – June 4, 907) was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li (李) family, who seized power during the decline and collapse of the Sui Empire. The dynasty was interrupted briefly by the Second Zhou Dynasty (October 16, 690 – March 3, 705) when Empress Wu Zetian seized the throne, becoming the first and only Chinese empress regnant, ruling in her own right.
The Tang Dynasty, with its capital at Chang'an (present-day Xi'an), the most populous city in the world at the time, is regarded by historians as a high point in Chinese civilization—equal to or surpassing that of the earlier Han Dynasty—as well as a golden age of cosmopolitan culture. Its territory, acquired through the military campaigns of its early rulers, was greater than that of the Han period, and rivaled that of the later Yuan Dynasty and Qing Dynasty. The enormous Grand Canal of China, built during the previous Sui Dynasty, facilitated the rise of new urban settlements along its route as well as increased trade between mainland Chinese markets. The canal is to this day the longest in the world. In two censuses of the 7th and 8th centuries, the Tang records stated that the population (by number of registered households) was about 50 million people. However, even when the central government was breaking down and unable to compile an accurate census of the population in the 9th century, it is estimated that the population in that century had grown to the size of about 80 million people. With its large population base, the dynasty was able to raise professional and conscripted armies of hundreds of thousands of troops to contend with nomadic powers in dominating Inner Asia and the lucrative trade routes along the Silk Road. Various kingdoms and states paid tribute to the Tang court, while the Tang also conquered or subdued several regions which it indirectly controlled through a protectorate system. Besides political hegemony, the Tang also exerted a powerful cultural influence over neighboring states such as those in Korea and Japan.
In Chinese history, the Tang Dynasty was largely a period of progress and stability, except during the An Shi Rebellion and the decline of central authority in the latter half of the dynasty. Like the previous Sui Dynasty, the Tang Dynasty maintained a civil service system by drafting officials through standardized examinations and recommendations to office. This civil order was undermined by the rise of regional military governors known as jiedushi during the 9th century. Chinese culture flourished and further matured during the Tang era; it is considered the greatest age for Chinese poetry. Two of China's most famous historical poets, Du Fu and Li Bai, belonged to this age, as well as the poets Meng Haoran, Du Mu, and Bai Juyi. Many famous visual artists lived during this era, such as the renowned painters Han Gan, Zhang Xuan, and Zhou Fang. There was a rich variety of historical literature compiled by scholars, as well as encyclopedias and books on geography. There were many notable innovations during the Tang, including the development of woodblock printing, the escapement mechanism in horology, the government compilations of materia medicas, improvements in cartography and the application of hydraulics to power air conditioning fans. The religious and philosophical ideology of Buddhism became a major aspect of Chinese culture, with native Chinese sects becoming the most prominent. However, Buddhism would eventually be persecuted by the state and would decline in influence. Although the dynasty and central government were in decline by the 9th century, art and culture continued to flourish. The weakened central government largely withdrew from managing the economy, but the country's mercantile affairs stayed intact and commercial trade continued to thrive regardless.
The Li family belonged to the northwest military aristocracy prevalent during the reign of the Sui emperors. The mothers of both Emperor Yang of Sui (r. 604–617) and the founding emperor of Tang were sisters, making these two emperors of different dynasties first cousins. Li Yuan (later to become Emperor Gaozu of Tang, r. 618–626) was the Duke of Tang and former governor of Taiyuan when other government officials were fighting off bandit leaders in the collapse of the Sui Empire, caused in part by a failed Korean campaign. With prestige and military experience, he later rose in rebellion along with his son Li Shimin (later Emperor Taizong, r. 626–649) and his equally militant daughter Princess Pingyang (d. 623) who raised her own troops and commanded them. In 617, Li Yuan occupied Chang'an and acted as regent over a puppet child emperor of the Sui, relegating Emperor Yang to the position of Taishang Huang, or retired emperor/father of the present emperor. With the news of Emperor Yang's murder by his general Yuwen Huaji (d. 619), on June 18, 618, Li Yuan declared himself the emperor of a new dynasty, the Tang.
Li Yuan ruled until 626 before being forcefully deposed by his son Li Shimin, Prince of Qin. Li Shimin had commanded troops since the age of 18, had prowess with a bow, sword, lance, and was known for his effective cavalry charges. Fighting a numerically superior army, he defeated Dou Jiande (573–621) at Luoyang in the Battle of Hulao on May 28, 621. In a violent elimination of royal family due to fear of assassination, Li Shimin ambushed and killed two of his brothers, Li Yuanji (b. 603) and Crown Prince Li Jiancheng (b. 589) in the Incident at Xuanwu Gate on July 2, 626. Shortly thereafter, his father abdicated in his favor and Li Shimin ascended the throne. He is conventionally known by his temple name Taizong. Although killing two brothers and deposing his father contradicted the Confucian value of filial piety, Taizong showed himself to be a capable leader who listened to the advice of the wisest members of his council. In 628, Emperor Taizong held a Buddhist memorial service for the casualties of war, and in 629 had Buddhist monasteries erected at the sites of major battles so that monks could pray for the fallen on both sides of the fight. This was during the campaign against Eastern Tujue, a Göktürk khanate that was destroyed after the capture of Jiali Khan Ashini Duobi by the famed Tang military officer Li Jing (571–649), who later became a Chancellor of the Tang Dynasty. With this victory, the Turks accepted Taizong as their Khagan, or Great Khan, in addition to his rule as the Son of Heaven.
Taizong set out to solve internal problems within the government which had constantly plagued past dynasties. Building upon the Sui legal code, he issued a new legal code that subsequent Chinese dynasties would model theirs upon, as well as neighboring polities in Vietnam, Korea, and Japan. The earliest law code to survive though was the one established in the year 653, which was divided into 500 articles specifying different crimes and penalties ranging from ten blows with a light stick, one hundred blows with a heavy rod, exile, penal servitude, or execution. The legal code clearly distinguished different levels of severity in meted punishments when different members of the social and political hierarchy committed the same crime. For example, the severity of punishment was different when a servant or nephew killed a master or an uncle than when a master or uncle killed a servant or nephew. The Tang Code was largely retained by later codes such as the early Ming Dynasty (1368–1644) code of 1397, yet there were several revisions in later times, such as improved property rights for women during the Song Dynasty (960–1279).
The Tang had three departments (省, shěng), which were obliged to draft, review, and implement policies respectively. There were also six ministries (部, bù) under the administrations that implemented policy, each of which was assigned different tasks. These divisional state bureaus included the personnel administration, finance, rites, military, justice, and public works—an administrative model which would last until the fall of the Qing Dynasty (1644–1912). Although the founders of the Tang related to the glory of the earlier Han Dynasty (202 BC–220 AD), the basis for much of their administrative organization was very similar to the previous Southern and Northern Dynasties. The Northern Zhou (557–581) divisional militia (fubing) was continued by the Tang government, along with farmer-soldiers serving in rotation from the capital or frontier in order to receive appropriated farmland. The equal-field system of the Northern Wei Dynasty (386–534) was also kept, although there were a few modifications.
Although the central and local governments kept an enormous number of records about land property in order to assess taxes, it became common practice in the Tang for literate and affluent people to create their own private documents and signed contracts. These had their own signature and that of a witness and scribe in order to prove in court (if necessary) that their claim to property was legitimate. The prototype of this actually existed since the ancient Han Dynasty, while contractual language became even more common and embedded into Chinese literary culture in later dynasties.
The center of the political power of the Tang was the capital city of Chang'an (modern Xi'an), where the emperor maintained his large palace quarters, and entertained political emissaries with music, sports, acrobatic stunts, poetry, paintings, and dramatic theater performances. The capital was also filled with incredible amounts of riches and resources to spare. When the Chinese prefectural government officials traveled to the capital in the year 643 to give the annual report of the affairs in their districts, Emperor Taizong discovered that many had no proper quarters to rest in, and were renting rooms with merchants. Therefore, Emperor Taizong ordered the government agencies in charge of municipal construction to build every visiting official his own private mansion in the capital.
Following the Sui Dynasty's example, the Tang abandoned the nine-rank system in favor of a large civil service system. Students of Confucian studies were potential candidates for the imperial examinations, the graduates of which could be appointed as state bureaucrats in the local, provincial, and central government. There were two types of exams that were given, mingjing ('illuminating the classics examination') and jinshi ('presented scholar examination'). The mingjing was based upon the Confucian classics, and tested the student's knowledge of a broad variety of texts. The jinshi tested a student's literary abilities in writing essay-style responses to questions on matters of governance and politics, as well as their skills in composing poetry. Candidates were also judged on their skills of deportment, appearance, speech, and level of skill in calligraphy, all of which were subjective criteria that allowed the already wealthy members of society to be chosen over ones of more modest means who were unable to be educated in rhetoric or fanciful writing skills. Indeed there was a disproportionate number of civil officials coming from aristocratic as opposed to non-aristocratic families. The exams were open to all male subjects whose fathers were not of the artisan or merchant classes, although having wealth or noble status was not a prerequisite in receiving a recommendation. In order to promote widespread Confucian education, the Tang government established state-run schools and issued standard versions of the Five Classics with selected commentaries.
This competitive procedure was designed to draw the best talent into government. But perhaps an even greater consideration for the Tang rulers, aware that imperial dependence on powerful aristocratic families and warlords would have destabilizing consequences, was to create a body of career officials having no autonomous territorial or functional power base. The Tang law code ensured equal division of inherited property amongst legitimate heirs, allowing a bit of social mobility and preventing the families of powerful court officials in becoming landed nobility through primogeniture. As it turned out, these scholar-officials acquired status in their local communities and in family ties, while they also shared values that connected them to the imperial court. From Tang times until the end of the Qing Dynasty in 1912, scholar-officials functioned often as intermediaries between the grassroots level and the government. Yet the potential of a widespread examination system was not fully realized until the Song Dynasty, where the merit-driven scholar official largely shed his aristocratic habits and defined his social status through the examination system. As historian Patricia Ebrey states of the Song period scholar-officials:
The examination system, used only on a small scale in Sui and Tang times, played a central role in the fashioning of this new elite. The early Song emperors, concerned above all to avoid domination of the government by military men, greatly expanded the civil service examination system and the government school system.
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Nevertheless, the Sui and Tang dynasties institutionalized and set the foundations for the civil service system and this new elite class of exam-drafted scholar-officials.
From the outset, religion played a role in Tang politics. In his bid for power, Li Yuan had attracted a following by claiming descent from the Daoist sage Laozi (fl. 6th century BC). People bidding for office would have monks from Buddhist temples pray for them in public in return for cash donations or gifts if the person was to be selected. Before the persecution of Buddhism in the 9th century, Buddhism and Daoism were accepted side by side, and Emperor Xuanzong of Tang (r. 712–756) invited monks and clerics of both religions to his court. At the same time Xuanzong exalted the ancient Laozi by granting him grand titles, wrote commentary on the Daoist Laozi, set up a school to prepare candidates for examinations on Daoist scriptures, and called upon the Indian monk Vajrabodhi (671–741) to perform Tantric rites to avert a drought in the year 726. In 742 Emperor Xuanzong personally held the incense burner during the ceremony of the Ceylonese monk Amoghavajra (705–774) reciting "mystical incantations to secure the victory of Tang forces." In addition, if religion played a role in politics, then politics played a role in religion as well. In the year 714, Emperor Xuanzong forbade shops and vendors in the city of Chang'an to sell copied Buddhist sutras, instead giving the Buddhist clergy of the monasteries the sole right to distribute sutras to the laity. In the previous year of 713, Emperor Xuanzong had liquidated the highly lucrative Inexhaustible Treasury, which was run by a prominent Buddhist monastery in Chang'an. This monastery collected vast amounts of money, silk, and treasures through multitudes of anonymous people's repentances, leaving the donations on the monastery's premise. Although the monastery was generous in donations, Emperor Xuanzong issued a decree abolishing their treasury on grounds that their banking practices were fraudulent, collected their riches, and distributed the wealth to various other Buddhist monasteries, Daoist abbeys, and to repair statues, halls, and bridges in the city.
The Tang Dynasty government attempted to create an accurate census of the size of their empire's population, mostly for effective taxation and matters of military conscription for each region. The early Tang government established both the grain tax and cloth tax at a relatively low rate for each household under the empire. This was meant to encourage households to enroll for taxation and not avoid the authorities, thus providing the government with the most accurate estimate possible. In the census of 609, the population was tallied by efforts of the government at a size of 9 million households, or about 50 million people. Again, the Tang census of the year 742 approximated the size China's population to about 50 million people. Patricia Ebrey writes that even if a rather significant number of people had avoided the registration process of the tax census, the population size during the Tang had not grown significantly since the earlier Han Dynasty (the census of the year 2 recording a population of 59 million people in China). S.A.M. Adshead disagrees, estimating that there were about 75 million people by 750. In the Tang census of the year 754, there were 1,859 cities, 321 prefectures, and 1,538 counties throughout the empire. Although there were many large and prominent cities during the Tang, the rural and agrarian areas comprised the majority of China's population at some 80 to 90 percent. There was also a dramatic migratory shift of the population from northern to southern China, as the North held 75% of the overall population at the dynasty's inception, but by its end was reduced to 50%.
Chinese population size would not dramatically increase until the Song Dynasty period, where the population doubled to 100 million people due to extensive rice cultivation in central and southern China, coupled with rural farmers holding more abundant yields of food that they could easily provide the growing market.
The 7th century and first half of the 8th century is generally considered the zenith era of the Tang Dynasty. Emperor Tang Xuanzong brought the Middle Kingdom to its golden age while the Silk Road thrived, with sway over Indochina in the south, and to the west Tang China was master of the Pamirs (modern-day Tajikistan) and protector of Kashmir bordering Persia.
Some of the kingdoms paying tribute to the Tang Dynasty included Kashmir, Nepal, Khotan, Kucha, Kashgar, Japan, Korea, Champa, and kingdoms located in Amu Darya and Syr Darya valley. Turkic nomads addressed the Emperor of Tang China as Tian Kehan. After the widespread Göktürk revolt of Shabolüe Khan (d. 658) was put down at Issyk Kul in 657 by Su Dingfang (591–667), Emperor Gaozong established several protectorates governed by a Protectorate General or Grand Protectorate General, which extended the Chinese sphere of influence as far as Herat in Western Afghanistan. Protectorate Generals were given a great deal of autonomy to handle local crises without waiting for central admission. After Xuanzong's reign, military governors (jiedushi) were given enormous power, including the ability to maintain their own armies, collect taxes, and pass their titles on hereditarily. It was commonly recognized as the beginning of the fall of Tang's central government.
By the year 737, Emperor Xuanzong discarded the policy of conscripting soldiers that were replaced every three years, replacing them with long-service soldiers who were more battle-hardened and efficient. It was more economically feasible as well, since training new recruits and sending them out to the frontier every three years drained the treasury. Plus, by the late 7th century, the fubing troops began abandoning military service and the homes allotted to them in the equal-field system, because the supposed standard 100 mu of land for each family was in fact decreasing in size in places where population expanded and the wealthy bought up most of the land. Hard-pressed peasants and vagrants were then induced into military service with benefits of exemption from both taxation and corvée labor service, as well as provisions for farmland and dwellings for dependents who accompanied soldiers on the frontier. By the year 742 the total number of enlisted troops in the Tang armies had risen to about 500,000 men.
The Sui and Tang carried out very successful military campaigns against the steppe nomads. Chinese foreign policy to the north and west now had to deal with Turkic nomads, who were becoming the most dominant ethnic group in Central Asia. To handle and avoid any threats posed by the Turks, the Sui government repaired fortifications and received their trade and tribute missions. They sent royal princesses off to marry Turkic clan leaders, a total of four of them in 597, 599, 614, and 617. The Sui stirred trouble and conflict amongst ethnic groups against the Turks. As early as the Sui Dynasty, the Turks had become a major militarized force employed by the Chinese. When the Khitans began raiding northeast China in 605, a Chinese general led 20,000 Turks against them, distributing Khitan livestock and women to the Turks as a reward. On two occasions between 635 to 636, Tang royal princesses were married to Turk mercenaries or generals in Chinese service. Throughout the Tang Dynasty until the end of 755, there were approximately ten Turkic generals serving under the Tang. While most of the Tang army was made of fubing Chinese conscripts, the majority of the troops led by Turkic generals were of non-Chinese origin, campaigning largely in the western frontier where the presence of fubing troops was low.
Civil war in China was almost totally diminished by 626, along with the defeat in 628 of the Ordos Chinese warlord Liang Shidu; after these internal conflicts, the Tang began an offensive against the Turks. In the year 630, Tang armies captured areas of the Ordos Desert, modern-day Inner Mongolia province, and southern Mongolia from the Turks. After this military victory, Emperor Taizong won the title of Great Khan amongst the various Turks in the region who pledged their allegiance to him and the Chinese empire (with several thousand Turks traveling into China to live at Chang'an). On June 11, 631, Emperor Taizong also sent envoys to the Xueyantuo bearing gold and silk in order to persuade the release of enslaved Chinese prisoners who were captured during the transition from Sui to Tang from the northern frontier; this embassy succeeded in freeing 80,000 Chinese men and women who were then returned to China.
While the Turks were settled in the Ordos region (former territory of the Xiongnu), the Tang government took on the military policy of dominating the central steppe. Like the earlier Han Dynasty, the Tang Dynasty (along with Turkic allies) conquered and subdued Central Asia during the 640s and 650s. During Emperor Taizong's reign alone, large campaigns were launched against not only the Göktürks, but also separate campaigns against the Tuyuhun, the Tufan, the Xiyu states, and the Xueyantuo.
The Tang Empire fought with the Tibetan Empire for control of areas in Inner and Central Asia, which was at times settled with marriage alliances such as the marrying of Princess Wencheng (d. 680) to Songtsän Gampo (d. 649). Around 650 AD, Tang forces captured Lhasa, capital of Tibet. There was a long string of conflicts with Tibet over territories in the Tarim Basin between 670–692 and in 763 the Tibetans even captured the capital of China, Chang'an, for fifteen days during the An Shi Rebellion. In fact, it was during this rebellion that the Tang withdrew its western garrisons stationed in what is now Gansu and Qinghai, which the Tibetans then occupied along with the territory of what is now Xinjiang. Hostilities between the Tang and Tibet continued until they signed a formal peace treaty in 821. The terms of this treaty, including the fixed borders between the two countries, are recorded in a bilingual inscription on a stone pillar outside the Jokhang temple in Lhasa.
During the Islamic conquest of Persia (633–656), the son of the last ruler of the Sassanid Empire, Prince Pirooz, fled to Tang China. According to the Book of Tang, Pirooz was made the head of a Governorate of Persia in what is now Zaranj, Afghanistan. During this conquest of Persia, the Islamic Caliph Uthman Ibn Affan (r. 644–656) sent an embassy to the Tang court at Chang'an. By the 740s, the Arabs of Khurasan had established a presence in the Ferghana basin and in Sogdiana. At the Battle of Talas in 751, Qarluq mercenaries under the Chinese defected, which forced Tang commander Go Seonji (d. 756, also known as Gao Xianzhi, a general of Goguryeo descent) to retreat. Although the battle itself was not of the greatest significance militarily, this was a pivotal moment in history; it marks the spread of Chinese papermaking into regions west of China, ultimately reaching Europe by the 12th century. Although they had fought at Talas, on June 11, 758, an Abbasid embassy arrived at Chang'an simultaneously with the Uyghur Turks in order to pay tribute. From even further west, a tribute embassy came to the court of Taizong in 643 from the Patriarch of Antioch.
In the east, the Chinese military campaigns were less successful than elsewhere. Like the emperors of the Sui Dynasty before him, Taizong established a military campaign in 644 against the Korean kingdom of Goguryeo in the Goguryeo-Tang Wars. Since the ancient Han and Jin dynasties once had a commandery in ancient northern Korea, the Tang Chinese desired to conquer the region. Allying with the Korean Silla Kingdom, the Chinese fought against Baekje and their Yamato Japanese allies in the Battle of Baekgang in August of 663, a decisive Tang–Silla victory. The Tang Dynasty navy had several different ship types at its disposal to engage in naval warfare, these ships described by Li Quan in his Taipai Yinjing (Canon of the White and Gloomy Planet of War) of 759. The Battle of Baekgang was actually a restoration movement by remnant forces of Baekje, since their kingdom was toppled in 660 by a joint Tang–Silla invasion, led by notable Korean general Kim Yushin (595–673) and Chinese general Su Dingfang. In another joint invasion with Silla, the Tang army severely weakened the Goguryeo Kingdom in the north by taking out its outer forts in the year 645. With joint attacks by Silla and Tang armies under commander Li Shiji (594–669), the Kingdom of Goguryeo was destroyed by 668.
Although they were formerly enemies, the Tang accepted officials and generals of Goguryeo into their administration and military, such as the brothers Yeon Namsaeng (634–679) and Yeon Namsan (639–701). From 668 to 676, the Tang Empire would control northern Korea. However, in 671 Silla began fighting the Tang forces there. At the same time the Tang faced threats on its western border when a large Chinese army was defeated by the Tibetans on the Dafei River in 670. By 676, the Tang army was driven out of Korea by Unified Silla. Following a revolt of the Eastern Turks in 679, the Tang abandoned its Korean campaigns.
Although the Tang had fought the Japanese, they still held cordial relations with Japan. There were numerous Imperial embassies to China from Japan, diplomatic missions that were not halted until 894 by Emperor Uda (r. 887–897), upon persuasion by Sugawara no Michizane (845–903). The Japanese Emperor Temmu (r. 672–686) even established his conscripted army on that of the Chinese model, his state ceremonies on the Chinese model, and constructed his palace at Fujiwara on the Chinese model of architecture. Many Chinese Buddhist monks came to Japan to help further the spread of Buddhism as well. Two 7th century monks in particular, Zhi Yu and Zhi You, visited the court of Emperor Tenji (r. 661–672), whereupon they presented a gift of a South Pointing Chariot that they had crafted. This 3rd century mechanically-driven directional-compass vehicle (employing a differential gear) was again reproduced in several models for Tenji in 666, as recorded in the Nihon Shoki of 720. Japanese monks also visited China; such was the case with Ennin (794–864), who wrote of his travel experiences including travels along China's Grand Canal. The Japanese monk Enchin (814–891) stayed in China from 839 to 847 and again from 853 to 858, landing near Fuzhou, Fujian and setting sail for Japan from Taizhou, Zhejiang during his second trip to China.
Through use of the land trade along the Silk Road and maritime trade by sail at sea, the Tang were able to gain many new technologies, cultural practices, rare luxury, and contemporary items. From the Middle East, India, Persia, and Central Asia the Tang were able to acquire new ideas in fashion, new types of ceramics, and improved silver-smithing. The Chinese also gradually adopted the foreign concept of stools and chairs as seating, whereas the Chinese beforehand always sat on mats placed on the floor. To the Middle East, the Islamic world coveted and purchased in bulk Chinese goods such as silks, lacquerwares, and porcelain wares. Songs, dances, and musical instruments from foreign regions became popular in China during the Tang Dynasty. These musical instruments included oboes, flutes, and small lacquered drums from Kucha in the Tarim Basin, and percussion instruments from India such as cymbals. At the court there were nine musical ensembles (expanded from seven in the Sui Dynasty) representing music from throughout Asia.
There was great contact and interest in India as a hub for Buddhist knowledge, with famous travelers such as Xuanzang (d. 664) visiting the South Asian subcontinent. After a 17-year long trip, Xuanzang managed to bring back valuable Sanskrit texts to be translated into Chinese. There was also a Turkic–Chinese dictionary available for serious scholars and students, while Turkic folksongs gave inspiration to some Chinese poetry. In the interior of China, trade was facilitated by the Grand Canal and the Tang government's rationalization of the greater canal system that reduced costs of transporting grain and other commodities. The state also managed roughly 32,100 km (20,000 miles) of postal service routes by horse or boat.
The Silk Road was the most important pre-modern Eurasian trade route. During this period of the Pax Sinica, the Silk Road reached its golden age, whereby Persian and Sogdian merchants benefited from the commerce between East and West. At the same time, the Chinese empire welcomed foreign cultures, making the Tang capital arguably the most cosmopolitan area in the world.
Although the Silk Road from China to the West was initially formulated during the reign of Emperor Wu of Han (141–87 BC), it was reopened by the Tang in 639 when Hou Junji (d. 643) conquered the West, and remained open for almost four decades. It was closed after the Tibetans captured it in 678, but in 699, during Empress Wu's period, the Silk Road reopened when the Tang reconquered the Four Garrisons of Anxi originally installed in 640, once again connecting China directly to the West for land-based trade. The Tang captured the vital route through the Gilgit Valley from Tibet in 722, lost it to the Tibetans in 737, and regained it under the command of the Goguryeo-Korean General Gao Xianzhi. After the An Shi Rebellion ended in 763, the Tang Empire had once again lost control over many of its outer western lands, as the Tibetan Empire largely cut off China's direct access to the Silk Road. An internal rebellion in 848 ousted the Tibetan rulers, while Tang China regained its western territories from Tibet in 851, which contained crucial grazing areas and pastures for raising horses that the Tang Dynasty desperately needed.
Despite the many western travelers coming into China to live and trade, many travelers, mainly religious monks, recorded the strict border laws that the Chinese enforced. As the monk Xuanzang and many other monk travelers attested to, there were many Chinese government checkpoints along the Silk Road that examined travel permits into the Tang Empire. Furthermore, banditry was a problem along the checkpoints and oasis towns, as Xuanzang also recorded that his group of travelers were assaulted by bandits on multiple occasions.
Chinese envoys had been sailing through the Indian Ocean to India since the 2nd century BC, yet it was during the Tang Dynasty that a strong Chinese maritime presence could be found in the Persian Gulf and Red Sea, into Persia, Mesopotamia (sailing up the Euphrates River in modern-day Iraq), Arabia, Egypt, Aksum (Ethiopia), and Somalia in East Africa. From the same Quraysh tribe of Muhammad, Sa'd ibn Abi-Waqqas sailed from Ethiopia to China during the reign of Emperor Gaozu. He later traveled back to China with a copy of the Quran, establishing China's first mosque, the Mosque of Remembrance, during the reign of Emperor Gaozong. To this day he is still buried in a Muslim cemetery at Guangzhou.
During the Tang Dynasty, thousands of foreigners came and lived in numerous Chinese cities for trade and commercial ties with China, including Persians, Arabs, Hindu Indians, Malays, Sinhalese, Khmers, Chams, Jews and Nestorian Christians of the Near East, and many others. In 748, the Buddhist monk Jian Zhen described Guangzhou as a bustling mercantile center where many large and impressive foreign ships came to dock. He wrote that "many big ships came from Borneo, Persia, Qunglun (Indonesia/Java)...with...spices, pearls, and jade piled up mountain high", as written in the Yue Jue Shu (Lost Records of the State of Yue). After Arab and Persian pirates burned and looted Guangzhou in 758, the Tang government reacted by shutting the port down for roughly five decades, as foreign vessels docked at Hanoi instead. However, when the port reopened it continued to thrive. In 851 the Arab merchant Suleiman al-Tajir observed the manufacturing of Chinese porcelain in Guangzhou and admired its transparent quality. He also provided a description of Guangzhou's mosque, its granaries, its local government administration, some of its written records, the treatment of travellers, along with the use of ceramics, rice-wine, and tea. However, in another bloody episode at Guangzhou in 879, the Chinese rebel Huang Chao sacked the city, and purportedly slaughtered thousands of native Chinese, along with foreign Jews, Christians, and Muslims in the process. Huang's rebellion was eventually suppressed in 884.
Vessels from Korean Silla, Balhae and Hizen Province of Japan were all involved in the Yellow Sea trade, which Silla dominated. After Silla and Japan reopened renewed hostilities in the late 7th century, most Japanese maritime merchants chose to set sail from Nagasaki towards the mouth of the Huai River, the Yangzi River, and even as far south as the Hangzhou Bay in order to avoid Korean ships in the Yellow Sea. In order to sail back to Japan in 838, the Japanese embassy to China procured nine ships and sixty Korean sailors from the Korean wards of Chuzhou and Lianshui cities along the Huai River. It is also known that Chinese trade ships traveling to Japan set sail from the various ports along the coasts Zhejiang and Fujian provinces.
The Chinese engaged in large-scale production for overseas export by at least the time of the Tang. This was proven by the discovery of a silt-preserved shipwrecked Arab dhow in the Gaspar Strait near Belitung, which had 63,000 pieces of Tang gold, silver, and ceramics (including a Changsha bowl inscribed with a date: "16th day of the seventh month of the second year of the Baoli reign", or 826 AD, roughly confirmed by radiocarbon dating of star anise at the wreck). Beginning in 785, the Chinese began to call regularly at Sufala on the East African coast in order to cut out Arab middlemen, with various contemporary Chinese sources giving detailed descriptions of trade in Africa. The official and geographer Jia Dan (730–805) wrote of two common sea trade routes in his day: one from the coast of the Bohai Sea towards Korea and another from Guangzhou through Malacca towards the Nicobar Islands, Sri Lanka and India, the eastern and northern shores of the Arabian Sea to the Euphrates River. In 863 the Chinese author Duan Chengshi (d. 863) provided a detailed description of the slave trade, ivory trade, and ambergris trade in a country called Bobali, which historians suggest was Berbera in Somalia. In Fustat (old Cairo), Egypt, the fame of Chinese ceramics there led to an enormous demand for Chinese goods; hence Chinese often traveled there (this continued into later periods such as Fatimid Egypt). From this time period, the Arab merchant Shulama once wrote of his admiration for Chinese seafaring junks, but noted that their draft was too deep for them to enter the Euphrates River, which forced them to ferry passengers and cargo in small boats. Shulama also noted that Chinese ships were often very large, with capacities up to 600-700 passengers.
Although she entered Emperor Gaozong's court as the lowly consort Wu Zhao, Wu Zetian would rise to the highest seat of power in 690, establishing the short-lived later Zhou Dynasty. Empress Wu's rise to power was achieved through cruel and calculating tactics. For example, she allegedly killed her own baby girl and blamed it on Gaozong's empress so that the empress would be demoted. Emperor Gaozong suffered a stroke in 655, and Wu began to make many of his court decisions for him, discussing affairs of state with his councilors that would take orders from her while she sat behind a screen. When Empress Wu's eldest son and crown prince began to assert his authority and announce his support for issues that were opposed to Empress Wu's ideas, he suddenly died in 675. Many suspected he was poisoned by Empress Wu. Although the next heir apparent kept a lower profile, in 680 he was accused by Wu of plotting a rebellion and was banished (and later forced to commit suicide). After only six weeks on the throne in 683, Emperor Zhongzong was deposed by Empress Wu after his attempt to appoint his wife's father as chancellor. Because she dominated the court of Emperor Ruizong (r. 684–690), a group of Tang princes and their allies staged a major rebellion against Empress Wu in 684; yet her armies suppressed their dissent within two months. Becoming China's first female emperor in 690 upon her son's forced abdication, she ruled until shortly before her death in 705, deposed by her own retainers while her designated heir became Emperor Zhongzong again.
In order to legitimize her rule in a religious sense, she circulated a document known as the Great Cloud Sutra, which predicted that a reincarnation of the Maitreya Buddha would be a female monarch who would dispel illness, worry, and disaster from the world. She even introduced numerous revised written characters to the written language, which reverted back to the originals after her death. Arguably the most important part of her legacy was diminishing the power of the northwest aristocracy, allowing people from other clans and regions of China to become more representative in Chinese politics and government.
There were many prominent women at court during and after Wu's reign, including Shangguan Wan'er (664–710), a female poet, writer, and trusted official in charge of Wu's private office. In 706 the wife of Emperor Zhongzong of Tang, Empress Wei (d. 710), convinced her husband to staff government offices with his sister and her daughters, and in 709 requested that he grant women the right to bequeath hereditary privileges to their sons (which before was a male right only). Empress Wei eventually poisoned Zhongzong, whereupon she placed his fifteen year old son upon the throne in 710. Two weeks later, Li Longji (the later Emperor Xuanzong) entered the palace with a few followers and slew Empress Wei and her faction. He then installed his father Emperor Ruizong (r. 710–712) on the throne. Just as Emperor Zhongzong was dominated by Empress Wei, so too was Ruizong dominated by Princess Taiping. This was finally ended when Princess Taiping's coup failed in 712 (she later hanged herself in 713) and Emperor Ruizong abdicated to Emperor Xuanzong.
During the 44 year reign of Emperor Xuanzong, the Tang Dynasty was brought to its height, a golden age, a period of low economic inflation, as well as a toning down of the excessively lavish lifestyle of the imperial court. Seen as a progressive and benevolent ruler, Xuanzong even abolished the death penalty in the year 747, and all executions had to be approved beforehand by the emperor himself (which was relatively few, considering that there were only 24 executions in the year 730 alone). Xuanzong bowed to the consensus of his ministers on policy decisions and made efforts to fairly staff government ministries with different political factions. His staunch Confucian chancellor Zhang Jiuling (673–740) worked to reduce deflation and increase the money supply by upholding the use of private coinage, although his aristocratic and technocratic successor Li Linfu (d. 753) favored government monopoly over the issuance of coinage. After 737 most of Xuanzong's confidence rested in his long-standing chancellor Li Linfu, who championed a more aggressive foreign policy employing non-Chinese generals. This policy ultimately created the conditions for a massive rebellion against Xuanzong.
The Tang Empire was at its height of power up until the middle of the 8th century, when the An Shi Rebellion (December 16, 755–February 17, 763) destroyed the prosperity of the empire. An Lushan was a half-Sogdian, half-Turk Tang commander since 744, had experience fighting the Khitans of Manchuria with a victory in 744, yet most of his campaigns against the Khitans were unsuccessful. He was given great responsibility in Hebei, which allowed him to rebel with an army of more than one hundred thousand troops. After capturing Luoyang, he named himself emperor of a new, but short-lived, Yan Dynasty. Despite early victories scored by Tang General Guo Ziyi (697–781), the newly recruited troops of the army at the capital were no match for An Lushan's die-hard frontier veterans, so the court fled Chang'an. While the heir apparent raised troops in Shanxi and Xuanzong fled to Sichuan province, they called upon the help of the Uyghur Turks in 756. The Uyghur khan Moyanchur was greatly excited at this prospect, and married his own daughter to the Chinese diplomatic envoy once he arrived, receiving in turn a Chinese princess as his bride. The Uyghurs helped recapture the Tang capital from the rebels, but they refused to leave until the Tang paid them an enormous sum of tribute in silk. Even Abbasid Arabs assisted the Tang in putting down An Lushan's rebellion. The Tibetans took hold of the opportunity and raided many areas under Chinese control, and even after the Tibetan Empire had fallen apart in 842 (and the Uyghurs soon after) the Tang were in no position to reconquer Central Asia after 763. So significant was this loss that half a century later jinshi examination candidates were required to write an essay on the causes of the Tang's decline. Although An Lushan was killed by one of his eunuchs in 757, this time of troubles and widespread insurrection continued until rebel Shi Siming was killed by his own son in 763.
One of the legacies that the Tang government left since 710 was the gradual rise of regional military governors, the jiedushi, who slowly came to challenge the power of the central government. After the An Shi Rebellion, the autonomous power and authority accumulated by the jiedushi in Hebei went beyond the central government's control. After a series of rebellions between 781 and 784 in today's Hebei, Shandong, Hubei and Henan provinces, the government had to officially acknowledge the jiedushi's hereditary ruling without accreditation. The Tang government relied on these governors and their armies for protection and to suppress locals that would take up arms against the government. In return, the central government would acknowledge the rights of these governors to maintain their army, collect taxes and even to pass on their title to heirs. As time passed, these military governors slowly phased out the prominence of civil officials drafted by exams, and became more autonomous from central authority. The rule of these powerful military governors lasted until 960, when a new civil order under the Song Dynasty was established. Also, the abandonment of the equal-field system meant that people could buy and sell land freely. Many poor fell into debt because of this, forced to sell their land to the wealthy, which led to the exponential growth of large estates. With the breakdown of the land allocation system after 755, the central Chinese state barely interfered in agricultural management and acted merely as tax collector for roughly a millennium, save a few instances such as the Song's failed land nationalization during the 13th century war with the Mongols.
With the central government collapsing in authority over the various regions of the empire, it was recorded in 845 that bandits and river pirates in parties of 100 or more began plundering settlements along the Yangtze River with little resistance. In 858, enormous floods along the Grand Canal inundated vast tracts of land and terrain of the North China Plain, which drowned tens of thousands of people in the process.
The Chinese belief in the Mandate of Heaven granted to the ailing Tang was also challenged when natural calamities occurred, forcing many to believe the Heavens were displeased and that the Tang had lost their right to rule. Then in 873 a disastrous harvest shook the foundations of the empire; in some areas only half of all agricultural produce was gathered, and tens of thousands faced famine and starvation. In the earlier period of the Tang, the central government was able to meet crises in the harvest, as it was recorded from 714–719 that the Tang government responded effectively to natural disasters by extending the price-regulation granary system throughout the country. The central government was able then to build a large surplus stock of foods to ward off the rising danger of famine and increased agricultural productivity through land reclamation. In the 9th century, however, the Tang government was nearly helpless in dealing with any calamity.
Although these natural calamities and rebellions stained the reputation and hampered the effectiveness of the central government, the early 9th century is nonetheless viewed as a period of recovery for the Tang Dynasty. The government's withdrawal from its role in managing the economy had the unintended effect of stimulating trade, as more markets with less bureaucratic restrictions were opened up. By 780, the old grain tax and labor service of the 7th century was replaced by a semiannual tax paid in cash, signifying the shift to a money economy bolstered by the merchant class. Cities in the Jiangnan region to the south, such as Yangzhou, Suzhou, and Hangzhou prospered the most economically during the late Tang period. Although weakened after the An Shi Rebellion, in 799 the Tang government's salt monopoly accounted for over half of the government's revenues, while the salt commission became one of the most powerful state agencies, run by capable ministers chosen as specialists in finance. S.A.M. Adshead writes that this salt tax represents "the first time that an indirect tax, rather than tribute, levies on land or people, or profit from state enterprises such as mines, had been the primary resource of a major state." Even after the power of the central government was in decline since the mid 8th century, it was still able to function and give out imperial orders on a massive scale. The Tangshu (Book of Tang) compiled in the year 945 recorded that in 828 the Tang government issued a decree that standardized irrigational square-pallet chain pumps in the country:
In the second year of the Taihe reign period [828 AD], in the second month...a standard model of the chain pump was issued from the palace, and the people of Jingzhao Fu (d footnote: the capital) were ordered by the emperor to make a considerable number of machines, for distribution to the people along the Zheng Bai Canal, for irrigation purposes.
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The last great ambitious ruler of the Tang Dynasty was Emperor Xianzong of Tang (r. 805–820), his reign period aided by the fiscal reforms of the 780s, including the government monopoly on the salt industry. He also had an effective well trained imperial army stationed at the capital led by his court eunuchs; this was the Army of Divine Strategy, numbering 240,000 in strength as recorded in 798. Between the years 806 and 819, Emperor Xianzong conducted seven major military campaigns to quell the rebellious provinces that had claimed autonomy from central authority, managing to subdue all but two of them. Under his reign there was a brief end to the hereditary jiedushi, as Xianzong appointed his own military officers and staffed the regional bureaucracies once again with civil officials. However, Xianzong's successors proved less capable and more interested in the leisure of hunting, feasting, and playing outdoor sports, allowing eunuchs to amass more power as drafted scholar-officials caused strife in the bureaucracy with factional parties. The eunuchs' power became unchallenged after Emperor Wenzong of Tang's (r. 826–840) failed plot to have them overthrown; instead the allies of Emperor Wenzong were publicly executed in the West Market of Chang'an, by the eunuchs' command.
In addition to natural calamities and jiedushi amassing autonomous control, the Huang Chao Rebellion (874–884) resulted in the sacking of both Chang'an and Luoyang, and took an entire decade to suppress. Although the rebellion was defeated by the Tang, it never recovered from that crucial blow, weakening it for the future military powers to take over. There were also large groups of bandits, in the size of small armies, that ravaged the countryside in the last years of the Tang, who smuggled illicit salt, ambushed merchants and convoys, and even besieged several walled cities.
A certain Zhu Wen (originally a salt smuggler) who had served under the rebel Huang had later surrendered to Tang forces, his military merit in betraying and defeating Huang's forces meaning rapid military promotions for him. In 907, after almost 300 years in power, the dynasty was ended when this military governor, Zhu Wen (known soon after as Taizu of Later Liang), deposed the last emperor of Tang, Emperor Ai of Tang, and took the throne for himself. He established his Later Liang Dynasty, which thereby inaugurated the Five Dynasties and Ten Kingdoms Period. A year later, the deposed Emperor Ai was poisoned to death by Zhu Wen.
Although cast in a negative light by many for usurping power from the Tang, Zhu Wen turned out to be a skilled administrator. Emperor Taizu of Later Liang was also responsible for the building of a large seawall, new walls and roads for the burgeoning city of Hangzhou, which would later become the capital of the Southern Song Dynasty.
Both the Sui and Tang Dynasties had turned away from the more feudal culture of the preceding Northern Dynasties, in favor of staunch civil Confucianism. The governmental system was supported by a large class of Confucian intellectuals selected through either civil service examinations or recommendations. In the Tang period, Daoism and Buddhism reigned as core ideologies as well, and played a large role in people's daily lives. The Tang Chinese enjoyed feasting, drinking, holidays, sports, and all sorts of entertainment, while Chinese literature blossomed and was more widely accessible with new printing methods.
Much more than earlier periods, the Tang era was an era renowned for its time reserved for leisure activity, especially for those in the upper classes. Many outdoor sports and activities were enjoyed during the Tang, including archery, hunting, horse polo, cuju football, cockfighting, and even tug of war. Government officials were granted vacations during their tenure in office. Officials were granted 30 days off every three years to visit their parents if they lived 1000 miles/1609 km away, or 15 days off if the parents lived more than 167 miles/268 km away (travel time not included). Officials were granted nine days of vacation time for weddings of a son or daughter, and either five, three, or one days/day off for the nuptials of close relatives (travel time not included). Officials also received a total of three days off for their son's capping initiation rite into manhood, and one day off for the ceremony of initiation rite of a close relative's son. Traditional Chinese holidays such as Chinese New Year, Lantern Festival, Cold Food Festival, and others were universal holidays. In the capital city of Chang'an there was always lively celebration, especially for the Lantern Festival since the city's nighttime curfew was lifted by the government for three days straight. Between the years 628 and 758, the imperial throne bestowed a total of sixty-nine grand carnivals nationwide, granted by the emperor in the case of special circumstances like important military victories, abundant harvests after a long drought or famine, the granting of amnesties, the installment of a new crown prince, etc. For special celebration in the Tang era, lavish and gargantuan-sized feasts were sometimes prepared, as the imperial court had staffed agencies to prepare the meals. This included a prepared feast for 1,100 elders of Chang'an in 664, a feast for 3,500 officers of the Divine Strategy Army in 768, and a feast for 1,200 women of the palace and members of the imperial family in the year 826. Drinking wine and alcoholic beverages was heavily ingrained into Chinese culture, as people drank for nearly every social event. A court official in the 8th century allegedly had a serpentine-shaped structure called the 'Ale Grotto' built with 50,000 bricks on the groundfloor that each featured a drinking bowl for his friends to drink from.
Although Chang'an was the site for the capital of the earlier Han and Jin dynasties, after subsequent destruction in warfare, it was the Sui Dynasty model that comprised the Tang era capital. The roughly-square dimensions of the city had six miles (10 km) of outer walls running east to west, and more than five miles (8 km) of outer walls running north to south. From the large Mingde Gates located mid-center of the main southern wall, a wide city avenue stretched from there all the way north to the central administrative city, behind which was the Chentian Gate of the royal palace, or Imperial City. Intersecting this were fourteen main streets running east to west, while eleven main streets ran north to south. These main intersecting roads formed 108 rectangular wards with walls and four gates each, and each ward filled with multiple city blocks. The city was made famous for this checkerboard pattern of main roads with walled and gated districts, its layout even mentioned in one of Du Fu's poems. During the Heian period, the city of Heian kyō (present-day Kyoto) of Japan like many cities was arranged in the checkerboard street grid pattern of the Tang capital and in accordance with traditional geomancy following the model of Chang'an. Of these 108 wards in Chang'an, two of them (each the size of two regular city wards) were designated as government-supervised markets, and other space reserved for temples, gardens, ponds, etc. Throughout the entire city, there were 111 Buddhist monasteries, 41 Daoist abbeys, 38 family shrines, 2 official temples, 7 churches of foreign religions, 10 city wards with provincial transmission offices, 12 major inns, and 6 graveyards. Some city wards were literally filled with open public playing fields or the backyards of lavish mansions for playing horse polo and cuju football.
The Tang capital was the largest city in the world at its time, the population of the city wards and its outlying suburbs reaching 2 million inhabitants. The Tang capital was very cosmopolitan, with ethnicities of Persia, Central Asia, Japan, Korea, Vietnam, Tibet, India, and many other places living within. Naturally, with this plethora of different ethnicities living in Chang'an, there were also many different practiced religions, such as Buddhism, Nestorian Christianity, Manichaeism, Zoroastrianism, Judaism, and Islam being practiced within. With widely open access to China that the Silk Road to the west facilitated, many foreign settlers were able to move east to China, while the city of Chang'an itself had about 25,000 foreigners living within. Exotic green-eyed, blond-haired Tocharian ladies serving wine in agate and amber cups, singing, and dancing at taverns attracted customers. If a foreigner in China pursued a Chinese woman for marriage, he was required to stay in China and was unable to take his bride back to his homeland, as stated in a law passed in 628 to protect women from temporary marriages with foreign envoys.
Chang'an was the center of the central government, the home of the imperial family, and was filled with splendor and wealth. However, incidentally it was not the economic hub during the Tang Dynasty. The city of Yangzhou along the Grand Canal and close to the Yangtze River was the greatest economic center during the Tang era.
Yangzhou was the headquarters for the Tang's government monopoly on salt, and the greatest industrial center of China; it acted as a midpoint in shipping of foreign goods that would be organized and distributed to the major cities of the north. Much like the seaport of Guangzhou in the south, Yangzhou boasted thousands of foreign traders from all across Asia.
There was also the secondary capital city of Luoyang, which was the favored capital of the two by Empress Wu. In the year 691 she had more than 100,000 families (more than 500,000 people) from around the region of Chang'an move to populate Luoyang instead. With a population of about a million, Luoyang became the second largest capital in the empire, and with its close proximity to the Luo River it benefited from southern agricultural fertility and trade traffic of the Grand Canal. However, the Tang court eventually demoted its capital status and did not visit Luoyang after the year 743, when Chang'an's problem of acquiring adequate supplies and stores for the year was solved. As early as 736, granaries were built at critical points along the route from Yangzhou to Chang'an, which eliminated shipment delays, spoilage, and pilfering. An artificial lake used as a transshipment pool was dredged east of Chang'an in 743, where curious northerners could finally see the array of boats found in southern China, delivering tax and tribute items to the imperial court.
The Tang period was a golden age of Chinese literature and art. There are over 48,900 poems penned by some 2,200 Tang authors that have survived until modern times. Perfecting one's skills in the composition of poetry became a required study for those wishing to pass imperial examinations, while poetry was also heavily competitive; poetry contests amongst esteemed guests at banquets and courtiers of elite social gatherings was common in the Tang period. Poetry styles that were popular in the Tang included gushi and jintishi, with the renowned Tang poet Li Bai (701–762) famous for the former style, and Tang poets like Wang Wei (701–761) and Cui Hao (704–754) famous for their use of the latter. Jintishi poetry, or regulated verse, is in the form of eight-line stanzas or seven characters per line with a fixed pattern of tones that required the second and third couplets to be antithetical (although the antithesis is often lost in translation to other languages). Tang poems in particular remain the most popular out of every historical era of China. This great emulation of Tang era poetry began in the Song Dynasty period, as it was Yan Yu (active 1194–1245) who asserted that he was the first to designate the poetry of the High Tang (c. 713–766) era as the orthodox material with "canonical status within the classical poetic tradition." At the pinnacle of all the Tang poets, Yan Yu had reserved the position of highest esteem for that of Du Fu (712–770), a man who would not be viewed as such in his own era of poetic competitors, and branded by his peers as an anti-traditional rebel. Below is an example of Du Fu's poetry, To My Retired Friend Wei (Chinese: 贈衛八處士). Like many other poems in the Tang it featured the theme of a long parting between friends, which was often due to officials being frequently transferred to the provinces: