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The Silk Road

The Silk Road was the shifting network of overland routes linking China with Central Asia, India, Persia, and the Mediterranean from roughly the 2nd century BC. Along it moved silk, horses, glass, and gold — and religions, technologies, and plagues. The name itself was coined only in 1877.

Key facts

Active: c. 130 BC (Han missions west) to the 15th century, with revivals
Name coined: 1877, 'Seidenstrasse', by geographer Ferdinand von Richthofen
Key middlemen: The Sogdians of Samarkand and Bukhara
Moved east to west: Silk, porcelain, paper, gunpowder
Moved west to east: Horses, glass, wool, silver, wine
Ideas in transit: Buddhism into China; also Islam, Christianity, Manichaeism
Darker cargo: The Black Death travelled its routes in the 14th century
High eras: Han-Roman trade; Tang cosmopolitanism; the Mongol peace

What it was — and wasn’t

The “Silk Road” was never a single road, and no caravan walked from Xi’an to Rome. It was a mesh of routes — through the Tarim Basin’s oasis towns, over the Pamirs, across Persia to the Levant, with spurs to India and the steppe — along which goods moved in relays, marked up at every stage. Even the name is modern: the German geographer Ferdinand von Richthofen coined Seidenstrasse in 1877. The conventional opening is the Han envoy Zhang Qian’s missions west (c. 130 BC), after which Chinese silk began reaching the Mediterranean — where Romans paid famously (moralists said scandalously) for it.

Middlemen and cargo

The network’s connective tissue was less empires than merchants — above all the Sogdians of Samarkand and Bukhara, whose language became the road’s lingua franca and whose letters, preserved in desert dryness, document the trade from the inside. Eastward went horses, glassware, woollens, silver, and wine; westward silk, and in time paper (which reached the Islamic world, by tradition, via captives from the 751 Battle of Talas) and eventually gunpowder — the westbound transfers that changed the receiving civilisations most.

The least material cargo mattered as much: Buddhism travelled the Tarim routes from India into China (the cave-temple libraries of Dunhuang are its archive), followed by Christianity’s Church of the East, Manichaeism, and Islam. So did disease: the 14th-century Black Death moved along the same arteries, from Central Asia to the Crimea and thence Europe.

High tides and ebb

The road ran fullest when strong states policed its length: the Han-Parthian-Roman alignment; Tang China’s cosmopolitan peak, when Chang’an hosted every faith and script in Asia; and the 13th-14th-century Mongol peace, when a unified steppe let merchants like the Polos — and the plague — cross Eurasia. It faded as the Mongol world fragmented, the Ming turned inward, and after 1498 the ocean route around Africa let Europeans reach the source directly; Richthofen’s christening arrived four centuries after the caravans thinned.

The romance never faded. The name now sells everything from railway diplomacy (China’s Belt and Road styles itself the successor) to a darknet market — testimony that the road’s most durable export was the idea of itself.

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Sources

Valerie Hansen, The Silk Road: A New History (Oxford, 2012)
Peter Frankopan, The Silk Roads (Bloomsbury, 2015)