Mongol History and Society

From 1206 until common rule fractured around 1260, the Mongol Empire joined the grasslands of Inner Asia to farming regions and cities across northern China, Central Asia, Iran and the western steppe. Its rulers moved between camps and capitals, but governed through more than mounted armies: princes and commanders held local power, while clerks, merchants, engineers and officials connected distant communities to the court. The Mongol hub places this history alongside the regions and archaeological sites covered on the site.

On this page11 sections

Formation and expansion

In 1206, an assembly of steppe leaders recognized Temüjin as Chinggis Khan, or Genghis Khan. He reorganized followers from rival groups into military units under commanders who answered to him. This created a broader imperial following than one lineage or tribe. Mongol armies soon fought the Western Xia in the northwest and the Jin dynasty in northern China. Western Xia submitted in 1209; the war against Jin began in 1211.

A new campaign opened in 1219 after a governor at Otrar killed members of a Mongol-backed merchant mission and seized its goods. Chinggis Khan demanded restitution and the governor’s surrender; when the Khwarazmian ruler refused, Mongol forces crossed Central Asia, taking cities including Bukhara and Samarkand. The campaigns in Central Asia from 1219 were part of a much wider sequence: Jin rule ended in 1234, Batu’s western campaigns reached Kyiv in 1240 and Hungary in 1241, and Möngke’s brother Hülegü captured Baghdad in 1258. Conquest brought new subjects and resources, but occupation, tribute and submission created different relationships to Mongol authority.

Succession and the successor states

The Great Khan’s authority depended on recognition within Chinggis Khan’s family. Möngke’s death during a campaign in 1259 left no agreed successor. In 1260, separate assemblies elevated his brothers Qubilai, later known as Kublai, and Ariq Böke. Their civil war ended with Ariq Böke’s surrender in 1264, while regional princes had already begun exercising independent authority. The rivalry among regional branches grew through disputes over command, land and revenue rather than from a single formal partition.

Four successor realms took shape: the Yuan dynasty under Qubilai in China and Mongolia, the Ilkhanate in Iran and neighboring lands under Hülegü’s descendants, the Jochid or Golden Horde domains across the western steppe and the Rus principalities, medieval East Slavic lands around Kyiv and other cities, and the Chagatai khans in Central Asia. These branches retained Chinggisid claims while ruling increasingly separate territories. Yuan’s conquest of the Southern Song in 1279 belongs to later history, after the single empire had ended.

Khans, households and government

The Great Khan was the senior ruler, but princes held ulus, domains that joined pasture, subject peoples and military followers. Chinggis Khan’s sons received such shares, and their descendants later governed provinces from their own courts. A prince’s local base could support his bid for the throne. Assemblies called quriltai made succession public, but candidates also needed the backing of powerful relatives and commanders. After Ögedei died in 1241, his widow Töregene governed as regent until their son Güyük was enthroned in 1246; after Güyük’s death, Oghul Qaimish governed during the next succession struggle. Möngke became Great Khan in 1251 after another contested election.

At court, guards regulated access, secretaries recorded decisions and officials carried orders between the ruler and provincial administrations. Chinqai, a literate official, combined military command with senior roles in the document office and the khan’s household; he also kept the seal used to authenticate orders. In North China after the Jin conquest, Shigi Qutuqu and Yelü Chucai’s staff counted a reported 1.73 million households in 1234–35. An appanage was an assigned domain, including households and revenue. Ögedei agreed that households not already assigned in this way should also be distributed among members of the conquest elite. The plan to collect taxes through appointed bureaus met resistance from commanders who controlled local revenues. The Great Khan worked through ruling relatives, clerks and regional officers, and the balance among them changed from reign to reign.

Lands, peoples and languages

The Mongolian heartland was a pastoral steppe, where herding households moved between seasonal pastures. South and west lay settled farming districts, oasis cities and older states with their own courts and record systems. In the 1250s, William of Rubruck, a Flemish Franciscan friar, described Mongol camps shifting toward warmer winter grazing and cooler summer pasture. He observed that local knowledge of grass, water and snow guided the movement. A mounted court could travel across this landscape, while a fixed city such as Karakorum gathered merchants, officials and workshops.

Mongol conquests brought Turkic-speaking peoples, Chinese communities, Persians, Rus’ principalities and others into the empire through distinct forms of submission, taxation and service. Rulers sometimes moved skilled artisans and scholars to new centers; they also retained or recruited officials familiar with local systems. Mongolian, Uyghur, Persian and Chinese served different administrative and literary settings. The Mongol chancery adapted the Uyghur script to write Mongolian in 1204, before the empire’s formal foundation. Persian became a practical language of communication across western regions, while Chinese officials and scribes supported administration in conquered North China. These pastoral peoples and densely settled agricultural populations entered one political network without sharing a single livelihood or language.

Frontiers, garrisons and fortified places

Campaigns in northern China show how a passing army could become a governing presence. Mongol forces crossed the Jin frontier in 1211 and took fortified positions, then withdrew toward the steppe; some towns were reoccupied. In 1213, they regained the Juyongguan pass and began a siege of Zhongdu, the Jin capital at present-day Beijing. Peace in 1214 ended the blockade temporarily, but after the Jin court moved south, the Mongols renewed it. Zhongdu surrendered in May 1215 after famine weakened the population. Mongol officers inventoried the treasury, and the conquered city became an administrative foothold rather than a brief raid.

Local officials and garrisons linked that foothold to wider control. Representatives called darughachis could assess taxes, send revenue, maintain relay stations, compile population registers and organize local security. In Persia, small garrisons operated alongside these civil duties. Other frontiers required different calculations. The withdrawal from Hungary in 1242 has been connected to succession after Ögedei’s death as well as to conditions affecting pasture and mobility. In 1260, Hülegü’s forces captured Aleppo and Damascus, but he withdrew toward Azerbaijan and left Kitbuqa with a smaller force; the Mamluks, military rulers of Egypt and Syria, defeated that force at Ayn Jalut. Control depended on garrisons, supplies and local allies as well as battlefield victories.

Armies and military organisation

Chinggis Khan reorganized warriors into a decimal hierarchy of tens, hundreds and thousands. The largest named grouping, a tümen, was nominally ten thousand; the labels also helped organize people and resources, while the number in a field force could differ from a unit’s stated size. A keshig, the khan’s cross-tribal guard, protected the ruler and served at court, giving its members close access to the center of power. Mongol cavalry relied on composite bows made by joining wood, horn and sinew, or animal tendon, into a compact weapon. Riders carried several quivers of arrows and remount horses, which let them exchange a tired mount for a rested one. The communal nerge hunt, in which riders formed a wide circle and drove game inward, trained coordinated movement useful in battle.

Mobility did not replace other expertise. Commanders incorporated or recruited troops from conquered societies, including infantry and engineers for operations against walls. Captured or transferred specialists built and operated siege engines, while transport workers and animals moved equipment too heavy for a fast cavalry column. At Mohi in 1241, Mongol forces used trebuchets, large catapults that hurled stones, against Hungarian defenders at a bridge over the Sajó River, helping them seize the crossing. Scouts rode ahead with tents and horses to locate enemy forces and herds; reports helped commanders keep separated columns informed and choose when to concentrate. These mounted troops, scouts and coordinated movement supported an army that changed its composition to meet different terrain and objectives.

Mongol rulers issued commands about military duties, religious practices, taxation and public service. The word yasa could refer to a law, decree or order. In accounts of Ögedei’s accession in 1229, earlier commands of Chinggis Khan were brought forward and reaffirmed. One regulation set a roster for the khan’s guards: a missed turn brought increasing punishments, while unit elders were responsible for announcing the order. Other rules assigned households, transport and provisions to relay stations.

Judges and clerks turned those commands into decisions and records. In 1206, Chinggis Khan appointed Shigi Qutuqu as a chief judge and ordered him to address theft and falsehood, impose penalties and register decisions alongside the distribution of people. Written registers helped officials recall who had been assigned service or resources. In conquered regions, Mongol officers worked alongside established local and religious courts. Khanly decisions regulated service, while the people subject to them continued to bring their own legal customs and institutions.

Religion and religious communities

Mongol rulers invoked Eternal Heaven, or Tengri, and consulted ritual specialists. Rubruck described diviners called to a sick household and diviners who stayed near the ruler. At the same time, Mongol courts included Christians, Muslims, Buddhists and Daoists. In 1254, Möngke ordered Christian, Muslim and Buddhist teachers to present and compare their teachings before the court; interpreters and secretaries made the exchange possible. Rubruck reported the khan describing different paths as fingers of one hand.

Religious specialists also served rulers and communities in practical ways. Möngke confirmed the Buddhist monk Haiyun as a senior authority over Buddhist monks in 1251 and gave him an official seal. In 1222, the Daoist master Qiu Chuji met Chinggis Khan and urged moderation in conquest; his followers later built a memorial hall in Yanjing with local officials’ support. Christianity had connections within royal households: Rubruck watched Möngke’s wife and children attend a Church of the East service near the imperial camp. After Baghdad fell in 1258, Hülegü appointed the Persian historian and official Juvayni as deputy governor of Mesopotamia and Khuzistan. Patronage, government service and religious practice intersected differently across the empire. Mongol rulers invoked Heaven while negotiating relationships with established traditions.

Culture and arts

The court combined mobile ceremony with permanent building. Ögedei began a building programme at Karakorum in 1235, adding a palace to a city that already gathered officials, merchants and workshops. Rubruck described separate quarters for Muslim merchants and Chinese artisans, alongside markets for grain, livestock, carts and horses. Conquest also moved makers: Möngke’s 1254 feast featured a silver drink tree made by Guillaume Boucher, a Parisian goldsmith captured in Hungary. Pipes through the metal tree carried several drinks to bowls, while servants below poured the liquids and a hidden musician sounded a trumpet. The display depended on both metalworking and coordinated service.

Mongol writing joined oral memory to chancery practice. The Secret History of the Mongols recounts Temüjin’s rise through speeches, family histories and verse, then follows Ögedei’s election and reign. Its earliest surviving text represents Mongolian sounds in Chinese characters and includes a Chinese translation. In court ceremony, guests, gifts and attendants moved through carefully ordered spaces; Rubruck described men and women seated on separate sides of Möngke’s hall, with cupbearers using different stairways to serve. In mobile households, makers layered, wetted, rolled and pressed cleaned wool fibres into felt sheets for shelters, baggage and clothing; household felt, clothing and equipment complemented the specialized work of city artisans.

Economy and resources

Herds supplied meat, milk, wool, hides and the horses and oxen needed for travel and transport. Pastoral households moved animals between seasonal pastures, while farms and towns in northern China, Central Asia and Iran produced grain, food and manufactured goods. Mongol campaigns damaged some cultivated districts and irrigation channels, leaving fields without water and reducing the harvest that sustained nearby towns. Restoring agriculture required people to clear and maintain canals as well as to sow and harvest fields.

Rulers drew resources through trade, tribute, taxation and service. Merchants carried furs, cotton cloth, silk, spices and dried fish between markets, ports, rivers and overland routes. Some joined ortoq partnerships, in which a prince or other elite patron invested capital and a merchant contributed commercial skill and contacts. On the steppe, Ögedei’s 1235 order assessed a herd levy called qopčur: one animal from every hundred went to the ruler’s establishment, with another levy earmarked for the poor. Möngke renewed the assessment in 1252 but exempted owners below the prescribed herd threshold. In 1253, his civil governor Arghun Aqa oversaw a census in Khorasan and northwestern Iran, where qopčur was assessed as a poll tax by person and adjusted to wealth. The tribute, taxes and service show how a shared name for a levy could serve different assessment systems in pastoral and settled regions.

The yam and official travel

In 1234, during Ögedei’s reign, the government established regular relay stations called yam. Before that, envoys had often obtained food and horses through separate demands on local households. The new system placed stations at measured intervals, staffed with postmasters and keepers for horses, grain and provisions. Ögedei’s order assigned resources from units of a thousand, including mounts, sheep, mares, oxen and carts; Chagatai agreed to connect his stations with those of Ögedei and Batu.

Official travel relied on status and local supply. A paiza was a tablet of authority that let an envoy or official claim specified station privileges. John of Pian de Carpine, a Franciscan envoy, recorded how travel adapted to conditions in 1246: after local nobles warned that his horses could not find grass under deep snow, his party left them behind and accepted pack horses and an escort. Rubruck encountered a station in 1253 where staff proposed a longer route and his guide argued for the direct road. These journeys depended on people who maintained stations, while Möngke later issued orders to curb demands that burdened the countryside. Fresh mounts and provisions in stages made distant government possible through work at local stops.