factbase-ancient-history/trade-routes/silk-road.md

Silk Road

Overview

The Silk Road was a network of overland trade routes connecting China to the Mediterranean world, facilitating the exchange of goods, ideas, religions, and technologies for over 1,500 years. It was not a single road but a web of interconnected routes across Central Asia, with no single traveler traversing the full length. ¹

Key Facts

• Period: ~130 BCE – ~1450 CE (ancient period focus: ~130 BCE – ~400 CE) @t[~130 BCE..~1450 CE]
• Length: ~6,400 km (main overland route)
• Named by: Ferdinand von Richthofen (1877) @t[=1877 CE]
• Key goods: Silk, spices, gold, glass, horses, precious stones

Route

• Eastern terminus: Chang'an (Xi'an), China
• Western terminus: Rome, Antioch, Constantinople
• Key waypoints: Dunhuang, Kashgar, Samarkand, Merv, Ctesiphon, Palmyra
• Crossed the Taklamakan Desert, Pamir Mountains, and Iranian Plateau ²

Key Empires and Intermediaries

• The Han dynasty (China) and Roman Empire were the primary producers and consumers of silk, but direct contact between them was rare ¹
• The Parthian Empire (~247 BCE – 224 CE) controlled the middle section of the route and acted as the principal intermediary between Rome and China, profiting from transit trade @t[~247 BCE..224 CE] ³
• The Kushan Empire (1st–3rd century CE) facilitated trade across Central Asia and the Indian subcontinent, connecting the overland and maritime routes @t[~30 CE..375 CE] ¹
• Sogdian merchants from Samarkand dominated commercial activity along the route from roughly the 4th to 8th century CE, operating trading colonies as far east as China @t[~300 CE..~750 CE] ⁴

Cultural Exchange

• Buddhism spread from India to China via the Silk Road, carried by monks and merchants from roughly the 1st century CE onward @t[~1 CE..~400 CE] ²
• Nestorian Christianity, Manichaeism, and Islam traveled eastward in later centuries
• Technologies transferred: Papermaking (China → West), glassmaking (West → East), and later gunpowder
• Diseases also spread along the routes, possibly including the Antonine Plague (165–180 CE) and Plague of Cyprian (249–262 CE) ⁵

Maritime Silk Road

A complementary sea route — the Maritime Silk Road — connected China's southern ports to Southeast Asia, India, the Arabian Peninsula, and East Africa, beginning by the 2nd century BCE. ⁶ During the Han dynasty, maritime trade relations with Southeast Asia and India were established alongside the overland routes.

Key Periods

• Han dynasty (206 BCE – 220 CE): Zhang Qian's first mission to the Western Regions in 138 BCE (dispatched by Emperor Wu) opened diplomatic contact; his second mission followed in 119 BCE. These missions catalyzed the formal opening of the route ~130–114 BCE. @t[206 BCE..220 CE] ²
• Kushan Empire (1st–3rd century CE): Facilitated trade across Central Asia @t[~30 CE..375 CE]
• Pax Romana / Pax Sinica (~50 BCE – 250 CE): The four empires of Rome, Parthia, Kushan, and Han simultaneously stable, enabling peak ancient Silk Road trade @t[~50 BCE..~250 CE] ³
• Roman demand for Chinese silk was so great that Roman writers complained of gold draining eastward ⁵

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1. Wikipedia contributors. "Silk Road." Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Silk_Road (accessed 2026) ↩︎

2. Hansen, V. The Silk Road: A New History (Oxford, 2012) ↩︎

3. "The 4 Powerful Empires of the Silk Road." The Collector (2022). https://www.thecollector.com/four-empires-silk-road/ ↩︎

4. "Sogdian Traders Along the Silk Road." ResearchGate (2023). https://www.researchgate.net/publication/371261395 ↩︎

5. Frankopan, P. The Silk Roads: A New History of the World (2015) ↩︎

6. Wikipedia contributors. "Maritime Silk Road." Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Maritime_Silk_Road (accessed 2026) ↩︎