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143-799: Qitai County's county seat is in Qitai Town. Gucheng Township is nearby. Located on one of the main routes of the Silk Road , the old Gucheng (often referred in the European writing of the past as "Ku Ch'eng-tze", Kucheng , Kuchengtze , etc., using Wade-Giles or Postal Romanization systems), was the western terminal for one of the caravan routes across the Gobi Desert . Owen Lattimore in The Desert Road to Turkestan leaves an account of his travel along this route in 1926-27. "Under

286-539: A "complex network of trade routes" that gave people the chance to exchange goods and culture. A maritime Silk Route opened up between Chinese-controlled Giao Chỉ (centred in modern Vietnam , near Hanoi ), probably by the 1st century. It extended, via ports on the coasts of India and Sri Lanka , all the way to Roman -controlled ports in Roman Egypt and the Nabataean territories on the northeastern coast of

429-557: A "pestilential fever" ( febris pestilentialis ) in his work On the Signs and Symptoms of Diseases ( De signis et symptomatibus aegritudium ). The phrase mors nigra , 'black death', was used in 1350 by Simon de Covino (or Couvin), a Belgian astronomer, in his poem "On the Judgement of the Sun at a Feast of Saturn" ( De judicio Solis in convivio Saturni ), which attributes

572-596: A "silk" one in particular. William Dalrymple points out that in pre-modern times, maritime travel cost only a fifth of overland transport, and argues for the pre-13th century primacy of an India-dominated " Golden Road " extending from Rome to Japan. The southern stretches of the Silk Road, from Khotan ( Xinjiang ) to Eastern China, were first used for jade and not silk, as long as 5000 BCE , and are still in use for this purpose. The term "Jade Road" would have been more appropriate than "Silk Road" had it not been for

715-755: A Chinese tomb of Shanxi province dated to the Sui dynasty (581–618). Both the Old Book of Tang and New Book of Tang , covering the history of the Chinese Tang dynasty (618–907), record that a new state called Fu-lin (拂菻; i.e. Byzantine Empire) was virtually identical to the previous Daqin (大秦; i.e. Roman Empire). Several Fu-lin embassies were recorded for the Tang period, starting in 643 with an alleged embassy by Constans II (transliterated as Bo duo li , 波多力, from his nickname "Kōnstantinos Pogonatos") to

858-467: A conjunction of planets had caused "a great pestilence in the air" ( miasma theory ). Muslim religious scholars taught that the pandemic was a "martyrdom and mercy" from God, assuring the believer's place in paradise. For non-believers, it was a punishment. Some Muslim doctors cautioned against trying to prevent or treat a disease sent by God. Others adopted preventive measures and treatments for plague used by Europeans. These Muslim doctors also depended on

1001-631: A contingent of Roman legionaries. The Romans may have been part of Antony 's army invading Parthia . Sogdiana (modern Bukhara ), east of the Oxus River, on the Polytimetus River, was apparently the most easterly penetration ever made by Roman forces in Asia. The margin of Chinese victory appears to have been their crossbows, whose bolts and darts seem easily to have penetrated Roman shields and armour. The Han dynasty army regularly policed

1144-750: A description of the disease modelled on Thucydides 's account of the 5th century BCE Plague of Athens , noting the spread of the Black Death by ship between maritime cities. Nicephorus Gregoras , while writing to Demetrios Kydones , described the rising death toll, the futility of medicine, and the panic of the citizens. The first outbreak in Constantinople lasted a year, but the disease recurred ten times before 1400. Carried by twelve Genoese galleys, plague arrived by ship in Sicily in October 1347;

1287-737: A leading astronomer and physician in Khanbaliq , at the court of Kublai Khan , Mongol founder of the Yuan dynasty (1271–1368) and was even granted the noble title 'Prince of Fu lin' ( Chinese : 拂菻王; Fú lǐn wáng). The Uyghur Nestorian Christian diplomat Rabban Bar Sauma , who set out from his Chinese home in Khanbaliq (Beijing) and acted as a representative for Arghun (a grandnephew of Kublai Khan), traveled throughout Europe and attempted to secure military alliances with Edward I of England , Philip IV of France , Pope Nicholas IV , as well as

1430-405: A means of currency, just as valuable as silk yarn and textiles. Under its strong integrating dynamics on the one hand and the impacts of change it transmitted on the other, tribal societies previously living in isolation along the Silk Road, and pastoralists who were of barbarian cultural development, were drawn to the riches and opportunities of the civilisations connected by the routes, taking on

1573-486: A number of important technologies, and in addition to raiding vulnerable settlements for these commodities, they also encouraged long-distance merchants as a source of income through the enforced payment of tariffs. Sogdians played a major role in facilitating trade between China and Central Asia along the Silk Roads as late as the 10th century, their language serving as a lingua franca for Asian trade as far back as

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1716-528: A rue du Pipi. Pigs, cattle, chickens, geese, goats and horses roamed the streets of medieval London and Paris. Medieval homeowners were supposed to police their housefronts, including removing animal dung, but most urbanites were careless. William E. Cosner, a resident of the London suburb of Farringdon Without, received a complaint alleging that "men could not pass [by his house] for the stink [of] . . . horse dung and horse piss." One irate Londoner complained that

1859-465: A small sporadic outbreak characteristic of transmission from rodents to humans with no wide-scale impact. According to Achtman, the dating of the plague suggests that it was not carried along the Silk Road , and its widespread appearance in that region probably postdates the European outbreak. Additionally, the Silk Road had already been heavily disrupted before the spread of the Black Death; Western and Middle Eastern traders found it difficult to trade on

2002-539: A team led by Galina Eroshenko placed its origins more specifically in the Tian Shan mountains on the border between Kyrgyzstan and China. However more recent research notes that the previous sampling contained East Asian bias and that sampling since then has discovered strains of Y. pestis in the Caucasus region previously thought to be restricted to China. There is also no physical or specific textual evidence of

2145-571: Is a modern name, acquired from its similarity to the overland Silk Road. Like the overland routes, the ancient maritime routes through Southeast Asia and the Indian Ocean had no particular name for the majority of its very long history. Despite the modern name, the Maritime Silk Road involved exchanges in a wide variety of goods over a very wide region, not just silk or Asian exports. It differed significantly in several aspects from

2288-735: Is made up of 9 towns , 3 townships , and 3 ethnic townships . In 2009, the Ürümqi–Dzungaria Railway was constructed through the Jiangjun Gobi desert in the northern part of the county. It terminates at a coal mine in Jiangjunmiao . In 2024, the Qitai Jiangbulake Airport opened. In 2012, the officials of the Chinese Academy of Sciences and the Xinjiang government presided over the groundbreaking at

2431-481: Is needed to the range of (especially non- commensal ) animals that might be involved in the transmission of plague. Archaeologist Barney Sloane has argued that there is insufficient evidence of the extinction of numerous rats in the archaeological record of the medieval waterfront in London, and that the disease spread too quickly to support the thesis that Y. pestis was spread from fleas on rats; he argues that transmission must have been person to person. This theory

2574-518: Is still contested. It is speculated that rats aboard Zheng He 's ships in the 15th century may have carried the plague to Southeast Asia , India , and Africa. Research on the Delhi Sultanate and the Yuan dynasty shows no evidence of any serious epidemic in fourteenth-century India and no specific evidence of plague in 14th-century China, suggesting that the Black Death may not have reached these regions. Ole Benedictow argues that since

2717-528: Is supported by research in 2018 which suggested transmission was more likely by body lice and fleas during the second plague pandemic . Academic debate continues, but no single alternative explanation for the plague's spread has achieved widespread acceptance. Many scholars arguing for Y. pestis as the major agent of the pandemic suggest that its extent and symptoms can be explained by a combination of bubonic plague with other diseases, including typhus , smallpox , and respiratory infections . In addition to

2860-627: Is very old. Homer used it in the Odyssey to describe the monstrous Scylla , with her mouths "full of black Death" ( Ancient Greek : πλεῖοι μέλανος Θανάτοιο , romanized :  pleîoi mélanos Thanátoio ). Seneca the Younger may have been the first to describe an epidemic as 'black death', ( Latin : mors atra ) but only in reference to the acute lethality and dark prognosis of disease. The 12th–13th century French physician Gilles de Corbeil had already used atra mors to refer to

3003-793: The Alans ], Lijian [Syria under the Greek Seleucids], Tiaozhi (Mesopotamia), and Tianzhu [northwestern India] ... As a rule, rather more than ten such missions went forward in the course of a year, and at the least five or six. ( Hou Hanshu , Later Han History). These connections marked the beginning of the Silk Road trade network that extended to the Roman Empire. The Chinese campaigned in Central Asia on several occasions, and direct encounters between Han troops and Roman legionaries (probably captured or recruited as mercenaries by

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3146-656: The Berel burial ground in Kazakhstan , confirmed that the nomadic Arimaspians were not only breeding horses for trade but also produced great craftsmen able to propagate exquisite art pieces along the Silk Road. From the 2nd millennium BCE, nephrite jade was being traded from mines in the region of Yarkand and Khotan to China. Significantly, these mines were not very far from the lapis lazuli and spinel ("Balas Ruby") mines in Badakhshan , and, although separated by

3289-662: The Golden Horde army of Jani Beg in 1347. From Crimea, it was most likely carried by fleas living on the black rats that travelled on Genoese ships, spreading through the Mediterranean Basin and reaching North Africa , West Asia , and the rest of Europe via Constantinople , Sicily , and the Italian Peninsula . There is evidence that once it came ashore, the Black Death mainly spread from person-to-person as pneumonic plague , thus explaining

3432-849: The Hungarian plain and the Carpathian Mountains to the Chinese Gansu Corridor, and linking the Middle East with Northern India and the Punjab , undoubtedly played an important role in the development of the Silk Road. Scythians accompanied the Assyrian Esarhaddon on his invasion of Egypt, and their distinctive triangular arrowheads have been found as far south as Aswan . These nomadic peoples were dependent upon neighbouring settled populations for

3575-779: The Karakum Desert . Both routes joined the main southern route before reaching ancient Merv , Turkmenistan. Another branch of the northern route turned northwest past the Aral Sea and north of the Caspian Sea , then and on to the Black Sea. A route for caravans, the northern Silk Road brought to China many goods such as "dates, saffron powder and pistachio nuts from Persia; frankincense , aloes and myrrh from Somalia ; sandalwood from India; glass bottles from Egypt, and other expensive and desirable goods from other parts of

3718-564: The Kushan Empire between the first and third centuries reinforced the role of the powerful merchants from Bactria and Taxila . They fostered multi-cultural interaction as indicated by their 2nd century treasure hoards filled with products from the Greco-Roman world, China, and India, such as in the archeological site of Begram . The Silk Road trade did not sell only textiles, jewels, metal and cosmetic, but also slaves, connecting

3861-991: The Magyars , Armenians , and Chinese. The Silk Road reached its peak in the west during the time of the Byzantine Empire ; in the Nile- Oxus section, from the Sassanid Empire period to the Il Khanate period; and in the sinitic zone from the Three Kingdoms period to the Yuan dynasty period. Trade between East and West also developed across the Indian Ocean , between Alexandria in Egypt and Guangzhou in China. Persian Sassanid coins emerged as

4004-758: The Malay Peninsula , and the Mekong Delta ; through which passed the main routes of the Austronesian trade ships to Giao Chỉ (in the Tonkin Gulf ) and Guangzhou (southern China ), the endpoints (later also including Quanzhou by the 10th century CE). Secondary routes also passed through the coastlines of the Gulf of Thailand ; as well as through the Java Sea , Celebes Sea , Banda Sea , and

4147-862: The Maldives . It branches from here into routes through the Arabian Sea entering the Gulf of Oman (into the Persian Gulf ), and the Gulf of Aden (into the Red Sea ). Secondary routes also pass through the coastlines of the Bay of Bengal , the Arabian Sea, and southwards along the coast of East Africa to Zanzibar , the Comoros , Madagascar , and the Seychelles . The term "Maritime Silk Road"

4290-801: The Mamluk Sultanate , cultural center of the Islamic world , and the largest city in the Mediterranean Basin ; the Bahriyya child sultan an-Nasir Hasan fled and more than a third of the 600,000 residents died. The Nile was choked with corpses despite Cairo having a medieval hospital, the late 13th-century bimaristan of the Qalawun complex . The historian al-Maqrizi described the abundant work for grave-diggers and practitioners of funeral rites ; plague recurred in Cairo more than fifty times over

4433-520: 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 the Horn of Africa . The Silk Road represents an early phenomenon of political and cultural integration due to inter-regional trade. In its heyday, it sustained an international culture that strung together groups as diverse as

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4576-884: The Red Sea . The earliest Roman glassware bowl found in China was unearthed from a Western Han tomb in Guangzhou , dated to the early 1st century BCE, indicating that Roman commercial items were being imported through the South China Sea . According to Chinese dynastic histories , it is from this region that the Roman embassies arrived in China, beginning in 166 CE during the reigns of Marcus Aurelius and Emperor Huan of Han . Other Roman glasswares have been found in Eastern-Han-era tombs (25–220 CE) further inland in Luoyang , Nanyang , and Nanjing . Soon after

4719-619: The Roman Empire before the reign of Trajan , six centuries before arriving at Pelusium in the reign of Justinian I . In 2013, researchers confirmed earlier speculation that the cause of the Plague of Justinian (541–549 CE, with recurrences until 750) was Y . pestis . This is known as the first plague pandemic . In 610, the Chinese physician Chao Yuanfang described a "malignant bubo" "coming in abruptly with high fever together with

4862-745: The Sasanian Empire that allowed the Byzantines to bypass the Sasanian merchants and trade directly with the Sogdians for purchasing Chinese silk. Although the Byzantines had already procured silkworm eggs from China by this point, the quality of Chinese silk was still far greater than anything produced in the West, a fact that is perhaps emphasized by the discovery of coins minted by Justin II found in

5005-458: The Silla Kingdom in Gyeongju , Korea. Chinese wealth grew as they delivered silk and other luxury goods to the Roman Empire, whose wealthy women admired their beauty. The Roman Senate issued, in vain, several edicts to prohibit the wearing of silk, on economic and moral grounds: the import of Chinese silk caused a huge outflow of gold, and silk clothes were considered decadent and immoral. I can see clothes of silk, if materials that do not hide

5148-432: The Sulu Sea , reconnecting with the main route through the northern Philippines and Taiwan . The secondary routes also continue onward to the East China Sea and the Yellow Sea for a limited extent. The main route of the western regions of the Maritime Silk Road directly crosses the Indian Ocean from the northern tip of Sumatra (or through the Sunda Strait ) to Sri Lanka , southern India and Bangladesh , and

5291-435: The Wusun . Zhang Qian's report suggested the economic reason for Chinese expansion and wall-building westward, and trail-blazed the Silk Road, making it one of the most famous trade routes in history and in the world. After winning the War of the Heavenly Horses and the Han–Xiongnu War , Chinese armies established themselves in Central Asia, initiating the Silk Route as a major avenue of international trade. Some say that

5434-476: The Y. pestis strain responsible for the Black Death as both the ancestor of later plague epidemics—including the third plague pandemic —and the descendant of the strain responsible for the Plague of Justinian . In addition, plague genomes from prehistory have been recovered. DNA taken from 25 skeletons from 14th-century London showed that plague is a strain of Y. pestis almost identical to that which hit Madagascar in 2013 . Further DNA evidence also proves

5577-500: The germ theory of disease . Until then streets were usually unhygienic, with live animals and human parasites facilitating the spread of transmissible disease . By the early 14th century, so much filth had collected inside urban Europe that French and Italian cities were naming streets after human waste. In medieval Paris, several street names were inspired by merde, the French word for "shit". There were rue Merdeux, rue Merdelet, rue Merdusson, rue des Merdons and rue Merdiere—as well as

5720-404: The poll tax of the year 1377. Estimates of plague victims are usually extrapolated from figures for the clergy. Mathematical modelling is used to match the spreading patterns and the means of transmission . In 2018 researchers suggested an alternative model in which "the disease was spread from human fleas and body lice to other people". The second model claims to better fit the trends of

5863-443: The " Neolithic decline " around 3000 BCE, in which European populations fell significantly. This Y. pestis may have been different from more modern types, with bubonic plague transmissible by fleas first known from Bronze Age remains near Samara . The symptoms of bubonic plague are first attested in a fragment of Rufus of Ephesus preserved by Oribasius ; these ancient medical authorities suggest bubonic plague had appeared in

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6006-428: The 12th century, the route was used to ship bullion from Yunnan (gold and silver are among the minerals in which Yunnan is rich), through northern Burma, into modern Bangladesh , making use of the ancient route, known as the 'Ledo' route. The emerging evidence of the ancient cities of Bangladesh, in particular Wari-Bateshwar ruins, Mahasthangarh , Bhitagarh , Bikrampur , Egarasindhur, and Sonargaon , are believed to be

6149-464: The 14th century, as previously speculated. The Black Death was the second great natural disaster to strike Europe during the Late Middle Ages (the first one being the Great Famine of 1315–1317 ) and is estimated to have killed 30% to 60% of the European population, as well as approximately 33% of the population of the Middle East. There were further outbreaks throughout the Late Middle Ages and, also due to other contributing factors (the Crisis of

6292-434: The 15th and early 16th centuries, and in the 16th and 17th centuries was transferred to other languages as a calque : Icelandic : svarti dauði , German : der schwarze Tod , and French : la mort noire . Previously, most European languages had named the pandemic a variant or calque of the Latin : magna mortalitas , lit.   'Great Death'. The phrase 'black death' – describing Death as black –

6435-457: The 1640s. Nestorian gravesites dating from 1338 to 1339 near Issyk-Kul have inscriptions referring to plague, which has led some historians and epidemiologists to think they mark the outbreak of the epidemic ; this is supported by recent direct findings of Y. pestis DNA in teeth samples from graves in the area with inscriptions referring to "pestilence" as the cause of death. Epidemics killed an estimated 25 million across Asia during

6578-452: The 18th century, the event was called the "pestilence" or "great pestilence", "the plague" or the "great death". Subsequent to the pandemic "the furste moreyn " (first murrain ) or "first pestilence" was applied, to distinguish the mid-14th century phenomenon from other infectious diseases and epidemics of plague. The 1347 pandemic plague was not referred to specifically as "black" in the time of occurrence in any European language, though

6721-407: The 4th century. The Silk Road was initiated and spread by China's Han dynasty through exploration and conquests in Central Asia . With the Mediterranean linked to the Fergana Valley , the next step was to open a route across the Tarim Basin and the Hexi Corridor to China Proper . This extension came around 130 BCE, with the embassies of the Han dynasty to Central Asia following the reports of

6864-417: 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 oasis states , and the Xueyantuo . Under Emperor Taizong , Tang general Li Jing conquered the Eastern Turkic Khaganate . Under Emperor Gaozong , Tang general Su Dingfang conquered the Western Turkic Khaganate , an important ally of

7007-418: The Black Death in 14th century China. As a result, China's place in the sequence of the plague's spread is still debated to this day. According to Charles Creighton, records of epidemics in 14th-century China suggest nothing more than typhus and major Chinese outbreaks of epidemic disease post-date the European epidemic by several years. The earliest Chinese descriptions of the bubonic plague do not appear until

7150-450: The Black Death, because there were actually four strains of Yersinia pestis that became predominant in different parts of the world. Mongol records of illness such as food poisoning may have been referring to the Black Death. Another theory is that the plague originated near Europe and cycled through the Mediterranean, Northern Europe and Russia before making its way to China. Other historians, such as John Norris and Ole Benedictaw, believe

7293-439: The Byzantine empire. After these conquests, the Tang dynasty fully controlled the Xiyu , which was the strategic location astride the Silk Road. This led the Tang dynasty to reopen the Silk Road, with this portion named the Tang-Tubo Road ("Tang-Tibet Road") in many historical texts. The Tang dynasty established a second Pax Sinica , and the Silk Road reached its golden age, whereby Persian and Sogdian merchants benefited from

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7436-437: The Byzantine ruler Andronikos II Palaiologos . Andronikos II had two half-sisters who were married to great-grandsons of Genghis Khan , which made him an in-law with the Yuan-dynasty Mongol ruler in Beijing, Kublai Khan. The History of Ming preserves an account where the Hongwu Emperor , after founding the Ming dynasty (1368–1644), had a supposed Byzantine merchant named Nieh-ku-lun (捏古倫) deliver his proclamation about

7579-414: The Central Asian Silk Road through their ports in Barygaza (known today as Bharuch ) and Barbaricum (known today as the city of Karachi , Sindh , Pakistan ) and continued along the western coast of India. An ancient "travel guide" to this Indian Ocean trade route was the Greek Periplus of the Erythraean Sea written in 60 CE. The travelling party of Maës Titianus penetrated farthest east along

7722-478: The Chinese Emperor Wu became interested in developing commercial relationships with the sophisticated urban civilizations of Ferghana, Bactria, and the Parthian Empire : "The Son of Heaven on hearing all this reasoned thus: Ferghana (Dayuan "Great Ionians " ) and the possessions of Bactria ( Ta-Hsia ) and Parthian Empire ( Anxi ) are large countries, full of rare things, with a population living in fixed abodes and given to occupations somewhat identical with those of

7865-412: The Chinese people, but with weak armies, and placing great value on the rich produce of China" ( Hou Hanshu , Later Han History ). Others say that Emperor Wu was mainly interested in fighting the Xiongnu and that major trade began only after the Chinese pacified the Hexi Corridor . The Chinese were also strongly attracted by the tall and powerful horses (named " heavenly horses ") in the possession of

8008-407: The Dayuan (literally the "Great Ionians," the Greek kingdoms of Central Asia ), which were of capital importance in fighting the nomadic Xiongnu. They defeated the Dayuan in the Han-Dayuan war . The Chinese subsequently sent numerous embassies, around ten every year, to these countries and as far as Seleucid Syria. Thus more embassies were dispatched to Anxi [Parthia], Yancai [who later joined

8151-437: The East included tea, dyes, perfumes, and porcelain ; among Western exports were horses, camels, honey, wine, and gold. Aside from generating substantial wealth for emerging mercantile classes, the proliferation of goods such as paper and gunpowder greatly affected the trajectory of political history in several theatres in Eurasia and beyond. The Silk Road was utilized over a period that saw immense political variation across

8294-510: The Empire as a whole. The Roman-style glassware discovered in the archeological sites of Gyeongju , the capital of the Silla kingdom (Korea) showed that Roman artifacts were traded as far as the Korean peninsula. The Greco- Roman trade with India started by Eudoxus of Cyzicus in 130 BCE continued to increase, and according to Strabo (II.5.12), by the time of Augustus , up to 120 ships were setting sail every year from Myos Hormos in Roman Egypt to India. The Roman Empire connected with

8437-407: The Ganges, they are only private citizens." His comments are interesting as Roman beads and other materials are being found at Wari-Bateshwar ruins , the ancient city with roots from much earlier, before the Bronze Age , presently being slowly excavated beside the Old Brahmaputra in Bangladesh. Ptolemy's map of the Ganges Delta , a remarkably accurate effort, showed that his informants knew all about

8580-436: The German term Seidenstraße (literally "Silk Road") and was first popularized in 1877 by Ferdinand von Richthofen , who made seven expeditions to China from 1868 to 1872. However, the term itself had been in use in decades prior to that. The alternative translation "Silk Route" is also used occasionally. Although the term was coined in the 19th century, it did not gain widespread acceptance in academia or popularity among

8723-400: The Han general dispatched envoy Gan Ying to Daqin (Rome). The Silk Road essentially came into being from the 1st century BCE, following these efforts by China to consolidate a road to the Western world and India , both through direct settlements in the area of the Tarim Basin and diplomatic relations with the countries of the Dayuan, Parthians and Bactrians further west. The Silk Roads were

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8866-412: The Islamic city of Almería in al-Andalus . Mecca became infected in 1348 by pilgrims performing the Hajj . In 1351 or 1352, the Rasulid sultan of the Yemen , al-Mujahid Ali, was released from Mamluk captivity in Egypt and carried plague with him on his return home. During 1349, records show the city of Mosul suffered a massive epidemic, and the city of Baghdad experienced a second round of

9009-409: The Islamic world in 1347–52. However, there is a conspicuous lack of evidence for pandemic disease on the scale of the Black Death in China at this time. War and famine – and the diseases that typically accompanied them – probably were the main causes of mortality in the final decades of Mongol rule. Monica Green suggests that other parts of Eurasia outside the west do not contain the same evidence of

9152-422: The Late Middle Ages ), the European population did not regain its 14th century level until the 16th century. Outbreaks of the plague recurred around the world until the early 19th century. European writers contemporary with the plague described the disease in Latin as pestis or pestilentia , 'pestilence'; epidemia , 'epidemic'; mortalitas , 'mortality'. In English prior to

9295-432: The Roman conquest of Egypt in 30 BCE, regular communications and trade between China, Southeast Asia, India, the Middle East, Africa, and Europe blossomed on an unprecedented scale. The Roman Empire inherited eastern trade routes that were part of the Silk Road from the earlier Hellenistic powers and the Arabs. With control of these trade routes, citizens of the Roman Empire received new luxuries and greater prosperity for

9438-587: The Roman craze for Chinese silk (supplied through the Parthians), even though the Romans thought silk was obtained from trees. This belief was affirmed by Seneca the Younger in his Phaedra and by Virgil in his Georgics . Notably, Pliny the Elder knew better. Speaking of the bombyx or silk moth, he wrote in his Natural Histories "They weave webs, like spiders, that become a luxurious clothing material for women, called silk." The Romans traded spices, glassware, perfumes, and silk. Roman artisans began to replace yarn with valuable plain silk cloths from China and

9581-484: The Silk Road by 1325 and impossible by 1340, making its role in the spread of plague less likely. There are no records of the symptoms of the Black Death from Mongol sources or writings from travelers east of the Black Sea prior to the Crimean outbreak in 1346. Others still favor an origin in China. The theory of Chinese origin implicates the Silk Road, the disease possibly spreading alongside Mongol armies and traders, or possibly arriving via ship—however, this theory

9724-421: The Silk Road from the Mediterranean world, probably with the aim of regularising contacts and reducing the role of middlemen, during one of the lulls in Rome's intermittent wars with Parthia, which repeatedly obstructed movement along the Silk Road. Intercontinental trade and communication became regular, organised, and protected by the "Great Powers." Intense trade with the Roman Empire soon followed, confirmed by

9867-419: The Silk Road slave trade to the Bukhara slave trade as well as the Black Sea slave trade , particularly slave girls. Byzantine Greek historian Procopius stated that two Nestorian Christian monks eventually uncovered the way silk was made. From this revelation, monks were sent by the Byzantine Emperor Justinian (ruled 527–565) as spies on the Silk Road from Constantinople to China and back to steal

10010-410: The Silk Road trade. The originating source seems sufficiently reliable, but silk degrades very rapidly, so it cannot be verified whether it was cultivated silk (which almost certainly came from China) or a type of wild silk , which might have come from the Mediterranean or Middle East. Following contacts between Metropolitan China and nomadic western border territories in the 8th century BCE, gold

10153-425: The Tarim Basin, in the modern day Xinjiang region, until replaced by Turkic influences from the Xiongnu culture to the north and by Chinese influences from the eastern Han dynasty , who spoke a Sino-Tibetan language . Some remnants of what was probably Chinese silk dating from 1070 BCE have been found in Ancient Egypt . The Great Oasis cities of Central Asia played a crucial role in the effective functioning of

10296-833: 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 General Gao Xianzhi . 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. The Tang dynasty (along with Turkic allies) conquered and subdued Central Asia during

10439-601: The Xiong Nu) are recorded, particularly in the 36 BCE battle of Sogdiana (Joseph Needham, Sidney Shapiro). It has been suggested that the Chinese crossbow was transmitted to the Roman world on such occasions, although the Greek gastraphetes provides an alternative origin. R. Ernest Dupuy and Trevor N. Dupuy suggest that in 36 BCE, [A] Han expedition into Central Asia, west of Jaxartes River , apparently encountered and defeated

10582-457: The air. One of the most significant events in European history, the Black Death had far-reaching population, economic, and cultural impacts. It was the beginning of the second plague pandemic . The plague created religious, social and economic upheavals, with profound effects on the course of European history. The origin of the Black Death is disputed. Genetic analysis suggests Yersinia pestis bacteria evolved approximately 7,000 years ago, at

10725-754: The ambassador Zhang Qian (who was originally sent to obtain an alliance with the Yuezhi against the Xiongnu ). Zhang Qian visited directly the kingdom of Dayuan in Ferghana , the territories of the Yuezhi in Transoxiana , the Bactrian country of Daxia with its remnants of Greco-Bactrian rule, and Kangju . He also made reports on neighbouring countries that he did not visit, such as Anxi ( Parthia ), Tiaozhi ( Mesopotamia ), Shendu ( Indian subcontinent ) and

10868-531: The appearance of a bundle of nodes beneath the tissue." The Chinese physician Sun Simo who died in 652 also mentioned a "malignant bubo" and plague that was common in Lingnan ( Guangzhou ). Ole Jørgen Benedictow believes that this indicates it was an offshoot of the first plague pandemic which made its way eastward to Chinese territory by around 600. A report by the Medical Faculty of Paris stated that

11011-650: The beginning of the Neolithic , with flea-mediated strains emerging around 3,800 years ago during the late Bronze Age . The immediate territorial origins of the Black Death and its outbreak remain unclear, with some evidence pointing towards Central Asia , China, the Middle East , and Europe. The pandemic was reportedly first introduced to Europe during the siege of the Genoese trading port of Kaffa in Crimea by

11154-724: The best known include the Eurasian Land Bridge and the Chinese Belt and Road Initiative (BRI). In June 2014, UNESCO designated the Chang'an-Tianshan corridor of the Silk Road as a World Heritage Site , while the Indian portion remains on the tentative site list. The Silk Road derives its name from the lucrative trade in silk , first developed in China , and a major reason for the connection of trade routes into an extensive transcontinental network. It derives from

11297-402: The bites of fleas whose midguts had become obstructed by replicating Y. pestis several days after feeding on an infected host. This blockage starves the fleas, drives them to aggressive feeding behaviour, and causes them to try to clear the blockage via regurgitation , resulting in thousands of plague bacteria flushing into the feeding site and infecting the host. The bubonic plague mechanism

11440-431: The body, nor even one's decency, can be called clothes. ... Wretched flocks of maids labour so that the adulteress may be visible through her thin dress, so that her husband has no more acquaintance than any outsider or foreigner with his wife's body. The Western Roman Empire , and its demand for sophisticated Asian products, collapsed in the fifth century . The unification of Central Asia and Northern India within

11583-477: The bubonic infection, others point to additional septicemic and pneumonic forms of plague, which lengthen the duration of outbreaks throughout the seasons and help account for its high mortality rate and additional recorded symptoms. In 2014, Public Health England announced the results of an examination of 25 bodies exhumed in the Clerkenwell area of London, as well as of wills registered in London during

11726-507: The carriers of a mixed Sogdian-Türkic culture that often came from mixed families." Black Death The Black Death was a bubonic plague pandemic that occurred in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people perished, perhaps 50% of Europe's 14th century population. The disease is caused by the bacterium Yersinia pestis and spread by fleas and through

11869-599: The city walls of Kaffa to infect the inhabitants, though it is also likely that infected rats travelled across the siege lines to spread the epidemic to the inhabitants. As the disease took hold, Genoese traders fled across the Black Sea to Constantinople , where the disease first arrived in Europe in summer 1347. The epidemic there killed the 13-year-old son of the Byzantine emperor , John VI Kantakouzenos , who wrote

12012-437: The commerce between East and West. At the same time, the Chinese empire welcomed foreign cultures, making it very cosmopolitan in its urban centres. In addition to the land route, the Tang dynasty also developed the maritime Silk Route. Chinese envoys had been sailing through the Indian Ocean to India since perhaps the 2nd century BCE, yet, it was during the Tang dynasty that a strong Chinese maritime presence could be found in

12155-524: The continent, exemplified by major events such as the Black Death and the Mongol conquests . The network was highly decentralized, and security was sparse: travelers faced constant threats of banditry and nomadic raiders, and long expanses of inhospitable terrain. Few individuals traveled the entire length of the Silk Road, instead relying on a succession of middlemen based at various stopping points along

12298-481: The continent. According to some epidemiologists, periods of unfavorable weather decimated plague-infected rodent populations, forcing their fleas onto alternative hosts, inducing plague outbreaks which often peaked in the hot summers of the Mediterranean and during the cool autumn months of the southern Baltic region . Among many other culprits of plague contagiousness, pre-existing malnutrition weakened

12441-884: The course of the Brahmaputra River, crossing through the Himalayas then bending westward to its source in Tibet . It is doubtless that this delta was a major international trading center, almost certainly from much earlier than the Common Era. Gemstones and other merchandise from Thailand and Java were traded in the delta and through it. Chinese archaeological writer Bin Yang and some earlier writers and archaeologists, such as Janice Stargardt, strongly suggest this route of international trade as Sichuan – Yunnan – Burma – Bangladesh route. According to Bin Yang, especially from

12584-510: The court of Emperor Taizong of Tang . The History of Song describes the final embassy and its arrival in 1081, apparently sent by Michael VII Doukas (transliterated as Mie li yi ling kai sa , 滅力伊靈改撒, from his name and title Michael VII Parapinakēs Caesar) to the court of Emperor Shenzong of the Song dynasty (960–1279). However, the History of Yuan claims that a Byzantine man became

12727-598: The debate about the cause of the Black Death, and unambiguously demonstrates that Y. pestis was the causative agent of the epidemic plague that devastated Europe during the Middle Ages". In 2011 these results were further confirmed with genetic evidence derived from Black Death victims in the East Smithfield burial site in England. Schuenemann et al. concluded in 2011 "that the Black Death in medieval Europe

12870-684: The disease spread rapidly all over the island. Galleys from Kaffa reached Genoa and Venice in January 1348, but it was the outbreak in Pisa a few weeks later that was the entry point into northern Italy. Towards the end of January, one of the galleys expelled from Italy arrived in Marseilles . From Italy , the disease spread northwest across Europe, striking France , Spain , Portugal, and England by June 1348, then spreading east and north through Germany , Scotland and Scandinavia from 1348 to 1350. It

13013-544: The disease. Symptoms of the plague include fever of 38–41 °C (100–106 °F), headaches, painful aching joints , nausea and vomiting, and a general feeling of malaise . Left untreated, 80% of victims die within eight days. Contemporary accounts of the pandemic are varied and often imprecise. The most commonly noted symptom was the appearance of buboes (or gavocciolos ) in the groin, neck and armpits, which oozed pus and bled when opened. Boccaccio 's description: In men and women alike it first betrayed itself by

13156-466: The emergence of certain tumours in the groin or armpits, some of which grew as large as a common apple, others as an egg ... From the two said parts of the body this deadly gavocciolo soon began to propagate and spread itself in all directions indifferently; after which the form of the malady began to change, black spots or livid making their appearance in many cases on the arm or the thigh or elsewhere, now few and large, now minute and numerous. As

13299-523: The establishment of a new dynasty to the Byzantine court of John V Palaiologos in September 1371. Friedrich Hirth (1885), Emil Bretschneider (1888), and more recently Edward Luttwak (2009) presumed that this was none other than Nicolaus de Bentra, a Roman Catholic bishop of Khanbilaq chosen by Pope John XXII to replace the previous archbishop John of Montecorvino . Although the Silk Road

13442-469: The expression "black death" had occasionally been applied to fatal disease beforehand. "Black death" was not used to describe the plague pandemic in English until the 1750s; the term is first attested in 1755, where it translated Danish : den sorte død , lit.   'the black death'. This expression as a proper name for the pandemic had been popularized by Swedish and Danish chroniclers in

13585-663: The far larger and geographically wider nature of the silk trade; the term is in current use in China. The Silk Road consisted of several routes. As it extended westwards from the ancient commercial centres of China, the overland, intercontinental Silk Road divided into northern and southern routes bypassing the Taklamakan Desert and Lop Nur . Merchants along these routes were involved in "relay trade" in which goods changed "hands many times before reaching their final destinations". The northern route started at Chang'an (now called Xi'an ), an ancient capital of China that

13728-488: The fifteen years before the Black Death reached Constantinople in 1347. The evidence does not suggest, at least at present, that these mortality crises were caused by plague. Although some scholars, including McNeill and Cao, see the 1333 outbreak as a prelude to the outbreaks in Europe from the late 1340s to the early 1350s, scholars of the Yuan and Ming periods remain skeptical about such an interpretation. Nonetheless,

13871-403: The first clear reports of the Black Death come from Kaffa , the Black Death most likely originated in the nearby plague focus on the northwestern shore of the Caspian Sea . Demographic historians estimate that China's population fell by at least 15 per cent, and perhaps as much as a third, between 1340 and 1370. This population loss coincided with the Black Death that ravaged Europe and much of

14014-491: The following one and a half centuries. During 1347, the disease travelled eastward to Gaza by April; by July it had reached Damascus , and in October plague had broken out in Aleppo . That year, in the territory of modern Lebanon , Syria , Israel , and Palestine , the cities of Ascalon , Acre , Jerusalem , Sidon , and Homs were all infected. In 1348–1349, the disease reached Antioch . The city's residents fled to

14157-568: The formidable Pamir Mountains , routes across them were apparently in use from very early times. Genetic study of the Tarim mummies , found in the Tarim Basin , in the area of Loulan located along the Silk Road 200 kilometres (124 miles) east of Yingpan, dating to as early as 1600 BCE, suggest very ancient contacts between East and West. These mummified remains may have been of people who spoke Indo-European languages , which remained in use in

14300-498: The head of the Persian Gulf and across to Petra and on to Alexandria and other eastern Mediterranean ports from where ships carried the cargoes to Rome . The southwestern route is believed to be the Ganges / Brahmaputra Delta, which has been the subject of international interest for over two millennia. Strabo, the 1st-century Roman writer, mentions the deltaic lands: "Regarding merchants who now sail from Egypt ... as far as

14443-469: The immune response, contributing to an immense decline in European population. The disease struck various regions in the Middle East and North Africa during the pandemic , leading to serious depopulation and permanent change in both economic and social structures. By autumn 1347, plague had reached Alexandria in Egypt, transmitted by sea from Constantinople via a single merchant ship carrying slaves. By late summer 1348, it reached Cairo , capital of

14586-692: The international trade centers in this route. The Maritime Silk Road or Maritime Silk Route is the maritime section of the historic Silk Road that connected Southeast Asia , East Asia , the Indian subcontinent , the Arabian Peninsula , eastern Africa , and Europe . It began by the 2nd century BCE and flourished until the 15th century CE. The Maritime Silk Road was primarily established and operated by Austronesian sailors in Southeast Asia who sailed large long-distance ocean-going sewn-plank and lashed-lug trade ships . The route

14729-481: The intricate web of land and sea routes connecting Central , East , South , Southeast , and West Asia as well as East Africa and Southern Europe . The Silk Road derives its name from the highly lucrative trade of silk textiles that were primarily produced in China. The network began with the expansion of the Han dynasty (202 BCE – 220 CE) into Central Asia around 114 BCE, through

14872-789: The journey by sea from various points. Crossing the high mountains, it passed through northern Pakistan , over the Hindu Kush mountains, and into Afghanistan , rejoining the northern route near Merv, Turkmenistan . From Merv, it followed a nearly straight line west through mountainous northern Iran , Mesopotamia , and the northern tip of the Syrian Desert to the Levant , where Mediterranean trading ships plied regular routes to Italy , while land routes went either north through Anatolia or south to North Africa . Another branch road travelled from Herat through Susa to Charax Spasinu at

15015-460: The maritime spice networks between Southeast Asia and South Asia , and the West Asian maritime networks in the Arabian Sea and beyond, coinciding with these ancient maritime trade roads by the current era. Austronesian thalassocracies controlled the flow of trade in the eastern regions of the Maritime Silk Road, especially the polities around the straits of Malacca and Bangka ,

15158-425: The maritime route faced different perils like weather and piracy , but they were not affected by political instability and could simply avoid areas in conflict. Central Eurasia has been known from ancient times for its horse riding and horse breeding communities, and the overland Steppe Route across the northern steppes of Central Eurasia was in use long before that of the Silk Road. Archeological sites, such as

15301-462: The mid-15th century. Spanning over 6,400 km (4,000 mi), it played a central role in facilitating economic, cultural, political, and religious interactions between the Eastern and Western worlds . The name "Silk Road" was first coined in the late 19th century, but some 20th- and 21st-century historians instead prefer the term Silk Routes , on the grounds that it more accurately describes

15444-519: The missions and explorations of the Chinese imperial envoy Zhang Qian , which brought the region under unified control . The Chinese took great interest in the security of their trade products, and extended the Great Wall of China to ensure the protection of the trade route. By the first century CE, Chinese silk was widely sought-after in Rome, Egypt, and Greece. Other lucrative commodities from

15587-557: The name atra mors for the 14th-century epidemic first appeared in a 1631 book on Danish history by J. I. Pontanus : "Commonly and from its effects, they called it the black death" ( Vulgo & ab effectu atram mortem vocitabant ). Research from 2017 suggests plague first infected humans in Europe and Asia in the Late Neolithic - Early Bronze Age . Research in 2018 found evidence of Yersinia pestis in an ancient Swedish tomb, which may have been associated with

15730-640: The north, but most of them ended up dying during the journey. Within two years, the plague had spread throughout the Islamic world, from Arabia across North Africa. The pandemic spread westwards from Alexandria along the African coast, while in April 1348 Tunis was infected by ship from Sicily. Tunis was then under attack by an army from Morocco; this army dispersed in 1348 and brought the contagion with them to Morocco, whose epidemic may also have been seeded from

15873-536: The other going north of the Tian Shan mountains through Turpan , Talgar , and Almaty (in what is now southeast Kazakhstan ). The routes split again west of Kashgar, with a southern branch heading down the Alai Valley towards Termez (in modern Uzbekistan) and Balkh (Afghanistan), while the other travelled through Kokand in the Fergana Valley (in present-day eastern Uzbekistan) and then west across

16016-431: The overland Silk Road, and thus should not be viewed as a mere extension of it. Traders traveling through the Maritime Silk Road could span the entire distance of the maritime routes, instead of through regional relays as with the overland route. Ships could carry far larger amounts of goods, creating greater economic impact with each exchange. Goods carried by the ships also differed from goods carried by caravans. Traders on

16159-464: The overland routes, which prompted European polities to seek alternatives while themselves gaining leverage over their trade partners. This marked the beginning of the Age of Discovery , European colonialism , and the further intensification of globalization . In the 21st century, the name "New Silk Road" is used to describe several large infrastructure projects along many of the historic trade routes; among

16302-563: The people that scarce the tenth person of any sort was left alive. Geoffrey the Baker , Chronicon Angliae Plague was reportedly first introduced to Europe via Genoese traders from their port city of Kaffa in the Crimea in 1347. During a protracted siege of the city in 1345–1346, the Mongol Golden Horde army of Jani Beg —whose mainly Tatar troops were suffering from the disease— catapulted infected corpses over

16445-408: The period, which supported the pneumonic hypothesis. Currently, while osteoarcheologists have conclusively verified the presence of Y. pestis bacteria in burial sites across northern Europe through examination of bones and dental pulp , no other epidemic pathogen has been discovered to bolster the alternative explanations. The importance of hygiene was not recognized until the 19th century and

16588-668: The plague likely originated in Europe or the Middle East, and never reached China. Norris specifically argues for an origin in Kurdistan rather than Central Asia. The seventh year after it began, it came to England and first began in the towns and ports joining on the seacoasts, in Dorsetshire , where, as in other counties, it made the country quite void of inhabitants so that there were almost none left alive. ... But at length it came to Gloucester , yea even to Oxford and to London, and finally it spread over all England and so wasted

16731-483: The plague to an astrological conjunction of Jupiter and Saturn. His use of the phrase is not connected unambiguously with the plague pandemic of 1347 and appears to refer to the fatal outcome of disease. The historian Cardinal Francis Aidan Gasquet wrote about the Great Pestilence in 1893 and suggested that it had been "some form of the ordinary Eastern or bubonic plague". In 1908, Gasquet said use of

16874-530: The plague's death toll, as the rat-flea-human hypothesis would have produced a delayed but very high spike in deaths, contradicting historical death data. Lars Walløe argued that these authors "take it for granted that Simond's infection model, black rat → rat flea → human, which was developed to explain the spread of plague in India, is the only way an epidemic of Yersinia pestis infection could spread". Similarly, Monica Green has argued that greater attention

17017-401: The presence of DNA / RNA with polymerase chain reaction (PCR) techniques for Y. pestis from the tooth sockets in human skeletons from mass graves in northern, central and southern Europe that were associated archaeologically with the Black Death and subsequent resurgences. The authors concluded that this new research, together with prior analyses from the south of France and Germany, "ends

17160-443: The public until the 20th century. The first book entitled The Silk Road was by Swedish geographer Sven Hedin in 1938. The use of the term 'Silk Road' is not without its detractors. For instance, Warwick Ball contends that the maritime spice trade with India and Arabia was far more consequential for the economy of the Roman Empire than the silk trade with China , which at sea was conducted mostly through India and on land

17303-403: The quick inland spread of the epidemic, which was faster than would be expected if the primary vector was rat fleas causing bubonic plague. In 2022, it was discovered that there was a sudden surge of deaths in what is today Kyrgyzstan from the Black Death in the late 1330s; when combined with genetic evidence, this implies that the initial spread may not have been due to Mongol conquests in

17446-615: The remarkably high mortality rates during the Datong mortality should discourage us from rejecting the possibility of localized/regional outbreaks of plague in different parts of China, albeit differing in scale from, and unrelated to, the pandemic mortality of the Black Death. What we lack is any indication of a plague pandemic that engulfed vast territories of the Yuan Empire and later moved into western Eurasia through Central Asia. According to John Norris, evidence from Issyk-Kul indicates

17589-545: The role of Y. pestis and traces the source to the Tian Shan mountains in Kyrgyzstan . Researchers are hampered by a lack of reliable statistics from this period. Most work has been done on the spread of the disease in England, where estimates of overall population at the start of the plague vary by over 100%, as no census was undertaken in England between the time of publication of the Domesday Book of 1086 and

17732-420: The runoff from the local slaughterhouse had made his garden "stinking and putrid", while another charged that the blood from slain animals flooded nearby streets and lanes, "making a foul corruption and abominable sight to all dwelling near." In much of medieval Europe, sanitation legislation consisted of an ordinance requiring homeowners to shout, "Look out below!" three times before dumping a full chamber pot into

17875-529: The silkworm eggs , resulting in silk production in the Mediterranean, particularly in Thrace in northern Greece, and giving the Byzantine Empire a monopoly on silk production in medieval Europe. In 568, the Byzantine ruler Justin II was greeted by a Sogdian embassy representing Istämi , ruler of the First Turkic Khaganate , who formed an alliance with the Byzantines against Khosrow I of

18018-554: The site of the Xinjiang Qitai Astronomical and Science Education Base. The facility, in Qitai County's Banjiegou Town ( 半截沟镇 ), will be the home of the proposed Qitai Radio Telescope . Once completed it will be the largest fully steerable single-dish radio telescope in the world. Silk Road The Silk Road was a network of Eurasian trade routes active from the second century BCE until

18161-475: The special circumstances of the caravan trade, camel traffic usually overshoots Hami ["the most easterly point on the arterial cart roads of Chinese Turkestan"], going on all the way to Ku Ch’eng-tze. This is partly because the pastures near Ku Ch’eng-tze are more adequate to caravan needs, but still more because, transport being cheaper by camel than by cart, it is to the advantage of merchants to have their goods carried as far as possible by caravan." Qitai County

18304-435: The street. Early Christians considered bathing a temptation. With this danger in mind, St. Benedict declared, "To those who are well, and especially to the young, bathing shall seldom be permitted." St. Agnes took the injunction to heart and died without ever bathing. According to a team of medical geneticists led by Mark Achtman , Yersinia pestis "evolved in or near China" over 2,600 years ago. Later research by

18447-513: The trade route against nomadic bandit forces generally identified as Xiongnu . Han general Ban Chao led an army of 70,000 mounted infantry and light cavalry troops in the 1st century CE to secure the trade routes, reaching far west to the Tarim Basin. Ban Chao expanded his conquests across the Pamirs to the shores of the Caspian Sea and the borders of Parthia . It was from here that

18590-506: The trades of marauders or mercenaries. "Many barbarian tribes became skilled warriors able to conquer rich cities and fertile lands and to forge strong military empires." The Sogdians dominated the east–west trade after the 4th century up to the 8th century. They were the main caravan merchants of Central Asia. A.V. Dybo noted that "according to historians, the main driving force of the Great Silk Road were not just Sogdians, but

18733-549: The way. In addition to goods, the network facilitated an unprecedented exchange of religious ( especially Buddhist ), philosophical, and scientific thought, much of which was syncretised by societies along the way. Likewise, a wide variety of people used the routes. Diseases such as plague also spread along the Silk Road, possibly contributing to the Black Death. From 1453 onwards, the Ottoman Empire began competing with other gunpowder empires for greater control over

18876-475: The western United States. Y. pestis was discovered by Alexandre Yersin , a pupil of Louis Pasteur , during an epidemic of bubonic plague in Hong Kong in 1894; Yersin also proved this bacterium was present in rodents and suggested the rat was the main vehicle of transmission. The mechanism by which Y. pestis is usually transmitted was established in 1898 by Paul-Louis Simond and was found to involve

19019-537: The world." In exchange, the caravans sent back bolts of silk brocade , lacquer-ware , and porcelain . The southern route or Karakoram route was mainly a single route from China through the Karakoram mountains, where it persists in modern times as the Karakoram Highway , a paved road that connects Pakistan and China . It then set off westwards, but with southward spurs so travelers could complete

19162-439: The writings of the ancient Greeks. Due to climate change in Asia , rodents began to flee the dried-out grasslands to more populated areas, spreading the disease. The plague disease, caused by the bacterium Yersinia pestis , is enzootic (commonly present) in populations of fleas carried by ground rodents , including marmots , in various areas, including Central Asia , Kurdistan , West Asia , North India , Uganda , and

19305-494: Was also dependent on two populations of rodents: one resistant to the disease, which act as hosts , keeping the disease endemic , and a second that lacks resistance. When the second population dies, the fleas move on to other hosts, including people, thus creating a human epidemic . Definitive confirmation of the role of Y. pestis arrived in 2010 with a publication in PLOS Pathogens by Haensch et al. They assessed

19448-580: Was also utilized by the dhows of the Persian and Arab traders in the Arabian Sea and beyond, and the Tamil merchants in South Asia . China also started building their own trade ships ( chuán ) and followed the routes in the later period, from the 10th to the 15th centuries CE. The network followed the footsteps of older Austronesian jade maritime networks in Southeast Asia, as well as

19591-456: Was caused by a variant of Y. pestis that may no longer exist". Later in 2011, Bos et al. reported in Nature the first draft genome of Y. pestis from plague victims from the same East Smithfield cemetery and indicated that the strain that caused the Black Death is ancestral to most modern strains of Y. pestis . Later genomic papers have further confirmed the phylogenetic placement of

19734-561: Was excavated and found to have not only Greek bronzes but also Chinese silks. Similar animal-shaped pieces of art and wrestler motifs on belts have been found in Scythian grave sites stretching from the Black Sea region all the way to Warring States era archaeological sites in Inner Mongolia (at Aluchaideng) and Shaanxi (at Keshengzhuang  [ de ] ) in China. The expansion of Scythian cultures, stretching from

19877-537: Was handled by numerous intermediaries such as the Sogdians . Going as far as to call the whole thing a "myth" of modern academia, Ball argues that there was no coherent overland trade system and no free movement of goods from East Asia to the West until the period of the Mongol Empire . He notes that traditional authors discussing east–west trade such as Marco Polo and Edward Gibbon never labelled any route

20020-458: Was initially formulated during the reign of Emperor Wu of Han (141–87 BCE), it was reopened by the Tang Empire in 639 when Hou Junji conquered the Western Regions , 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

20163-409: Was introduced into Norway in 1349 when a ship landed at Askøy , then spread to Bjørgvin (modern Bergen ). Finally, it spread to northern Russia in 1352 and reached Moscow in 1353. Plague was less common in parts of Europe with less-established trade relations, including the majority of the Basque Country , isolated parts of Belgium and the Netherlands , and isolated Alpine villages throughout

20306-418: Was introduced from Central Asia, and Chinese jade carvers began to make imitation designs of the steppes, adopting the Scythian -style animal art of the steppes (depictions of animals locked in combat). This style is particularly reflected in the rectangular belt plaques made of gold and bronze, with other versions in jade and steatite . An elite burial near Stuttgart , Germany, dated to the 6th century BCE,

20449-431: Was moved further east during the Later Han to Luoyang . The route was defined around the 1st century BCE when Han Wudi put an end to harassment by nomadic tribes. The northern route travelled northwest through the Chinese province of Gansu from Shaanxi Province and split into three further routes, two of them following the mountain ranges to the north and south of the Taklamakan Desert to rejoin at Kashgar , and

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