Yuan Communications, Trade and the Wider Mongol World

Between 1271 and 1368, the Yuan rulers governed China as Mongol khagans and Chinese emperors. Kublai claimed the Great Khanate in 1260, declared the dynasty’s name Great Yuan in 1271, and completed the conquest of the Southern Song in 1279. The resulting state was connected to a wider Mongol political and commercial sphere, but it was not a single administration governing all Mongol territories. Within Yuan China, communications and trade relied on inherited relay routes, credentials for authorized travel, merchant partnerships, and links by canal and sea.

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A Chinese state within a divided Mongol world

Yuan rule combined Mongol authority with institutions for governing China. The Central Secretariat and its branch administrations directed much of the state’s civil government. Beyond Yuan territory, however, Chinggisid rulers governed other Mongol khanates, including the Golden Horde, the Chagatai Khanate and the Ilkhanate. Yuan emperors claimed supremacy over these rulers, but their authority was largely nominal. In 1304, the western khanates recognized the Yuan ruler’s senior position, while continuing to develop their own governments.

This political division shaped communication across the wider Mongol world. Routes and official practices could connect distant regions without making them parts of one uniform bureaucracy. In China, Yuan institutions drew on the country’s established administrative traditions as well as Mongol rule. Elsewhere, Mongol rulers adopted or adapted selected Yuan practices to suit their own courts.

Relay stations carried official messages and travelers

The Mongol yam was a network of relay stations used to move official messages and support authorized travel. At a station, couriers could pass a dispatch to a fresh rider, while horses, food and shelter helped keep the journey going. Passing messages between couriers allowed information to travel over long distances without requiring one messenger to cover the entire route. Rulers used the system to speed orders and intelligence, and it also supported the movement of envoys and officials.

The Yuan inherited a communications system with roots in both the Mongol steppe and northern China. Posts had existed under earlier Chinese dynasties, and the Mongols incorporated stations from the former Jin realm as they expanded their network. Under Yuan rule, routes continued to connect the Chinese state with Mongolia and other regions. Maintaining stations required regular supplies and services, so the system depended on practical support along the roads as well as central orders.

Relay stations did not give every traveler a general right to use state resources. Access depended on official authorization. This distinction mattered because the same network could serve state communication and, when granted to selected merchants, help support long-distance commerce.

Travel credentials defined official privileges

A paiza, also known as a gerege, was a portable tablet that identified authority delegated by a ruler. It could serve as evidence that its bearer was entitled to use relay stations and request specified services. A written order, or jarlig, could set out the purpose and extent of the grant. The tablet’s material and design reflected differences in rank and privilege; Kublai’s government used graded forms, including a falcon-designated credential for officers authorized to use a particular relay service.

These credentials were powerful because they connected an official command to the people and resources needed to carry it out. Their privileges were not identical for every holder, but some bearers could demand mounts, provisions or other services. Such delegated authority could be abused, and accounts from Mongol territories describe coercive demands by credential holders. Efforts to control who issued and used the tablets were therefore part of governing the network, not simply matters of appearance or ceremony.

Surviving credentials make this delegated authority visible. A late-thirteenth-century iron pass now in the Metropolitan Museum has silver-inlaid lettering in the ’Phags-pa script, devised at Kublai’s court. Its inscription invokes Eternal Heaven, announces the khan’s command and threatens those who disobey. The object joins a portable sign of rank with an order that people along a route were expected to honour.

Merchant partnerships linked roads, canals and ports

Merchants did not all enjoy official access to the relay system. Mongol rulers could grant selected foreign or overseas traders paizas that permitted use of stations and carried tax privileges. Many merchants closely connected to Mongol patrons were known as ortogh, a term for business partners associated with Mongol rulers. The court supported commerce through protection of trade routes, infrastructure and loans for caravans. These arrangements helped traders move goods across long distances, but the privileges belonged to particular grantees rather than to merchants in general.

Trade also depended on the Yuan state’s internal transport links. Kublai expanded the Grand Canal northward to Dadu, the capital, connecting it with the waterways of southern China. The capital’s position at the canal’s northern end tied government and urban markets to routes running through the country. The Yuan’s use of jiaochao, or paper banknotes, provided another state-supported means of payment. The currency’s role changed over time: Külüg’s reign introduced both a new note series and coin issues, while later governments repeatedly changed the balance between paper and metal currency.

Maritime trade connected Yuan China to overseas routes as well. At Quanzhou, Muslim merchants engaged in seaborne commerce and built up family wealth through trade and political activity. Their experience shows that the commercial world of the Yuan was not limited to the overland routes often associated with Mongol rule. The court’s connections with merchants, waterways and ports formed different parts of a wider transport system.

Connections across the other Mongol states

Specialists and official practices moved between Yuan China and the other Mongol states. Chinese-style seals could authenticate documents written in another language, while envoys carried orders, gifts and information between courts. A shared ruling family and inherited imperial practices helped these exchanges, even when rival princes were at war. Their use of related forms did not give one court routine administrative control over the others.

The Ilkhanate offers an example of institutional exchange without political unification. Ilkhanid documents used Chinese-inscribed seals based on practices shared with the Yuan administration. Some seals came from the Yuan court, while others were made within the Ilkhanate in Yuan-derived forms. Ilkhanid rulers also used the title Huangdi, meaning emperor, under the influence of Yuan political practice. At the same time, the Ilkhanate maintained its own government. Under Ghazan, who ruled from 1295 to 1304, the court reorganized the issue of decrees and credentials, including requirements to keep decrees on file and to identify credential holders. Such measures show how a shared imperial tradition could be reshaped to meet another state’s needs.

For the wider setting, see The Yuan Dynasty: History, Institutions and Society in China.