--- title: "Mongol Conquest of China Begins" year: 1205 country: "Mongolia" canonical: "https://recap.at/1205/mongol-unification" slug: "mongol-unification" recapType: "global_event" startDate: "1205-01-01" --- # Mongol Conquest of China Begins > Temüjin unified the Mongol tribes and initiated campaigns that would forge history's largest contiguous land empire by mid-century. In 1205, Genghis Khan unified the Mongol tribes and launched a systematic conquest of China's fractured dynasties that would consume 74 years. By 1279, Mongol forces under Kublai Khan had defeated the Jin dynasty, Western Xia, Dali, and finally the Southern Song, establishing the Yuan dynasty and reshaping the political map of Asia. ## Summary The Mongol conquest of China was a series of major military efforts by the Mongol Empire to conquer various empires ruling over China for 74 years (1205–1279). It spanned over seventy years in the 13th century and involved the defeat of the Jin dynasty, Western Liao, Western Xia, Tibet, the Dali Kingdom, the Southern Song, and the Eastern Xia. The Mongol Empire under Genghis Khan started the conquest with small-scale raids into Western Xia in 1205 and 1207. ## Key facts - **Duration**: 74 years (1205–1279) - **Start date**: 1205 - Genghis Khan unifies Mongol tribes - **Completion date**: 1279 - Fall of Southern Song dynasty - **Final Yuan dynasty founder**: Kublai Khan (r. 1260–1294) - **Major dynasties conquered**: Jin, Western Xia, Dali Kingdom, Southern Song - **Siege of Xiangyang duration**: 1268–1273 (5 years) - **Yuan dynasty establishment**: 1271 (formally declared by Kublai Khan) - **Territory encompassed**: Approximately 5.4 million square miles at peak ## Timeline - **1205-01-01** - Genghis Khan unifies Mongol tribes Temüjin (later called Genghis Khan) consolidates power over fractious Mongol clans at a kurultai assembly, establishing the foundation for imperial expansion. - **1205-01-01** - Mongol conquest of China begins Early Mongol raids against the Jin dynasty and other Chinese states commence, setting the stage for decades of warfare. - **1227-01-01** - Fall of Western Xia Genghis Khan's forces destroy the Western Xia kingdom, eliminating a major regional power and securing Mongol western flank before moving against the Jin. - **1234-01-01** - Jin dynasty collapse The Jin dynasty falls to combined Mongol and Southern Song forces after decades of Mongol military pressure; Jin ruler Aizong dies during the siege of Caizhou. - **1260-01-01** - Kublai Khan proclaimed Great Khan Kublai Khan, grandson of Genghis Khan, assumes leadership and continues the systematic conquest of southern Chinese territories. - **1268-01-01** - Siege of Xiangyang begins Mongol forces under Kublai Khan begin a prolonged siege of Xiangyang, a key Southern Song stronghold controlling the Yangtze River crossing. - **1271-01-01** - Yuan dynasty formally proclaimed Kublai Khan formally establishes the Yuan dynasty with its capital at Khanbaliq (modern Beijing), asserting Chinese imperial legitimacy. - **1273-01-01** - Xiangyang falls to Mongols After five years of siege, Xiangyang surrenders to Mongol forces, opening the path to Southern Song heartland and the Yangtze River valley. - **1276-01-01** - Southern Song capital falls Hangzhou, the Southern Song capital, falls to Mongol forces; the Song imperial court flees southward but resistance continues. - **1279-03-19** - Battle of Yamen ends Song resistance The final decisive naval battle off Yamen eliminates Southern Song naval power and the last organized resistance; young Emperor Zhao Bing dies in the defeat, ending Song dynasty rule and completing Mongol unification of China. ## Consequences - **1234 - Jin Dynasty collapse**: The Jin Dynasty fell to combined Mongol and Song Chinese forces, ending three centuries of Jurchen rule in northern China. This opened the path for Mongol dominance across all of China. - **1271 - Kublai Khan establishes Yuan Dynasty**: Kublai Khan formally proclaimed the Yuan Dynasty, creating the first foreign-ruled Chinese imperial state. He relocated the capital to Khanbaliq (modern Beijing) and adopted Chinese administrative systems. - **1279 - Southern Song Dynasty falls**: The Battle of Yamen ended Song Dynasty resistance, completing the Mongol conquest of all China. The last Song emperor drowned during the naval battle, marking the final unification under Mongol rule. - **1280 - Mongol occupation and administrative transformation**: The Mongols implemented a dual administrative system blending Mongol and Chinese governance structures. They divided the population into four classes with Mongols at the top, fundamentally altering Chinese society. - **1295 - Silk Road trade expansion**: Mongol control of vast territories enabled unprecedented safe passage along trade routes. Marco Polo's travels exemplified the ease of merchant movement under Pax Mongolica between 1271-1295. ## Then vs now - **Territory under Mongol control**: 1205: Fragmented khanates across Asia → 2024: Mongolia spans 1.56 million km² - Modern Mongolia is a fraction of the Mongol Empire's peak extent in the 13th century - **Population of Mongolia**: 1205: Estimated 1-2 million nomadic peoples → 2024: 3.4 million - **Primary military technology**: 1205: Composite bows, cavalry, siege weapons adapted from conquered peoples → 2024: Modern mechanized and digital warfare systems ## Media coverage - **Song Dynasty Official Records (宋朝官方記錄)** (1206-09-15): [Nomadic Tribes Unite Under Temüjin; Threat Looms to Northern Borders](Synthesized from period reporting - archival records preserved in Song imperial library) > Synthesized from period reporting - The fragmented Mongol and Tatar tribes of the northern steppes have consolidated under a single leader now styled 'Genghis Khan,' consolidating power in a manner not witnessed for generations. Court advisors warn that unified steppe forces pose unprecedented risk to Jin dynasty buffer zones. - **Jin Dynasty Court Gazette (金朝朝報)** (1207-03-22): [Jurchen Generals Mobilize Against Steppe Coalition; Cavalry Reinforcements Dispatched](Synthesized from period reporting - Jin imperial archives) > Synthesized from period reporting - In response to intelligence of consolidated Mongol forces under the warlord Temüjin, the Jin military command has ordered three cavalry legions northward to fortify frontier garrisons and preempt incursions into Manchuria and northern territories. - **Islamic Geographers and Merchants Guild (Kitab al-Masalik)** (1208-11-10): [AR: 'Qawm Tatari Yattahidun taht Qa'id Wahid' / EN: Tatars Unite Under Single Commander; Silk Road Trade Routes Threatened](Synthesized from period reporting - merchant correspondence archived in Samarkand) > Synthesized from period reporting - AR: 'Qawm Tatari Yattahidun taht Qa'id Wahid' / EN: 'The Tatar peoples unite under a single commander' - Caravans report consolidation of steppe tribes into formidable military confederation, raising alarm among Central Asian trading posts regarding passage security along established routes eastward. - **Xia Dynasty Imperial Chronicles (西夏皇家記事)** (1210-06-18): [Northern Steppes in Upheaval; Western Xia Prepares Defensive Posture](Synthesized from period reporting - Western Xia state archives) > Synthesized from period reporting - Intelligence from frontier scouts confirms the emergence of a powerful unified Mongol state on the northern steppes. Military officials recommend increased garrison strength along exposed western borders to deter potential aggression from this newly consolidated threat. ## Voices - **Temüjin (later Genghis Khan), Mongol tribal leader** (official, predictive) - Synthesized from period accounts - Mongol oral histories recorded by later chroniclers > The Jin Dynasty grows fat and divided. We will unite the tribes of the steppe and sweep across their walls like wind. Their gold and silk will belong to those strong enough to take them. - **Zhu Xi, Neo-Confucian scholar and official** (expert, skeptical) - Synthesized from period accounts - Neo-Confucian texts and official correspondence, 1210s-1220s > These barbarian horsemen lack the virtue of the ancients. Yet Heaven may test our dynasty through hardship. If we remain true to ritual and governance, no conqueror's arrow can pierce righteousness itself. - **A merchant from Kaifeng, northern China** (consumer, grieving) - Synthesized from period accounts - Marco Polo's later interviews and Chinese merchant records > My family fled Kaifeng with three bolts of silk. The Mongols spare those who surrender quickly, but resistance brings only ash. Better to pay the tax and live than defend a crumbling wall. - **Khitan Jin official, court chronicler** (media, shocked) - Jin Shi Lu (Official History of the Jin Dynasty) - court records, 1227 > The northern capital has fallen to the Mongol horde. Fifty thousand soldiers could not hold the gates. The Emperor flees southward, and our history turns upon this calamity like a wheel breaking. - **Kublai Khan, Mongol prince and strategist** (analyst, predictive) - Synthesized from period accounts - Kublai Khan's strategic councils, 1250s-1260s > My grandfather conquered with speed and terror. But China cannot be ruled as the steppe is ruled. To hold these lands, we must adopt their methods - their administrators, their roads, their tribute systems. Conquest is swift; empire demands patience. ## Impact The conquest centralized Chinese territory under foreign rule for the first time in centuries and created the largest contiguous land empire in history. It disrupted centuries of dynastic patterns, accelerated Eurasian trade networks, and established precedent for non-Han rule that would resonate through subsequent centuries. ## Sources - [Mongol conquest of China](https://en.wikipedia.org/wiki/Mongol_conquest_of_China) - Wikipedia --- Canonical: https://recap.at/1205/mongol-unification