Emperor Taizu of Jin

Lore & Background

Aguda, known posthumously as Emperor Taizu of Jin, was the founder of the Jurchen-led Jin dynasty. He was born near the Ashi River in present-day Harbin, Heilongjiang Province, and was an eighth-generation descendant of Hanpu, the progenitor of the Wanyan clan. His father, Helibo, was chieftain of the Wanyan tribe, and his mother was the daughter of a Nalan tribe chieftain. Aguda was renowned among his people for his bravery and fought in many campaigns against rival Jurchen tribes under the Liao dynasty. During a severe famine in 1109, he helped his father strengthen the Wanyan tribe by absorbing starving warriors from other tribes. He later unified all Jurchen tribes under Wanyan leadership. In 1113, he succeeded his elder brother Wuyashu as tribal leader. Aguda deeply resented the exploitation of his people by corrupt Liao officials, and he became famous for defying the Liao emperor’s order to dance during a fishing expedition in 1112. In 1114, he began a rebellion with about 2,500 men, capturing Ningjiangzhou and defeating a 7,000-strong Liao army. He declared himself emperor in 1115, establishing the Jin dynasty. His military campaigns conquered the Liaodong Peninsula by 1116 and all five Liao capitals by 1122. He also formed the Alliance Conducted at Sea with the Northern Song dynasty against the Liao. Domestically, he established a feudal government based on Jurchen customs, organized agriculture under a collectivist system, and ordered the creation of a unique Jurchen script. He died in 1123 and was succeeded by his younger brother, Wuqimai.

Reader's Guide

Emperor Taizu of Jin, born Aguda, was the founder of the Jurchen-led Jin dynasty, a figure whose actions reshaped the political landscape of northern China. His significance stems from his unification of the Jurchen tribes under the Wanyan clan and his successful rebellion against the Khitan-led Liao dynasty, which had long dominated the region. Known within his tribe for his bravery, Aguda participated in campaigns against rival Jurchen tribes under Liao command. During a famine in 1109, he helped his father absorb starving warriors from other tribes, strengthening their own. He famously defied the Liao emperor in 1112 by refusing to dance at a fishing expedition, earning renown among the Jurchens. In 1114, after succeeding his elder brother as tribal leader, he rallied approximately 2,500 men and openly revolted, capturing a Liao prefecture and defeating a larger Liao force. Proclaiming himself emperor in 1115, he led his army to further victories, including a battle where 20,000 horsemen defeated 700,000 Liao troops. By 1116, he had conquered the Liaodong Peninsula, and by 1122, all five Liao capitals were captured. Aguda also established a feudal governmental system rooted in Jurchen tribal customs, organized agriculture under a collectivist system known as Miŋgan Moumukə, and ordered the creation of a unique Jurchen writing system. He negotiated the Alliance Conducted at Sea with the Northern Song dynasty, agreeing to divide Liao territory, though the Song were to receive the Sixteen Prefectures. Aguda died in 1123, shortly after a treaty with the Song recognized both states as equals and required Song tribute. His brother succeeded him, continuing the conquest of the Liao and later turning against the Song.

Did You Know?

• He ordered the development of a unique Jurchen writing system, created by chancellor Wanyan Xiyin.
• Mounted statues of Aguda and his commander Wanyan Zonghan stand at the Jin Dynasty History Museum near Harbin.

Rise to Power and the Unification of the Jurchen Tribes

Born in 1068 along the Ashi River in present-day Harbin, Aguda descended from the most prestigious Jurchen line — an eighth-generation heir of Hanpu, the founding ancestor of the Wanyan clan. His father Helibo led the tribe, and his mother came from the Nalan chieftain's family. Aguda earned a reputation for personal bravery by fighting in numerous campaigns against rival Jurchen groups under Liao command. A crucial moment came in 1109, when a severe famine struck the region. Aguda and his father deliberately absorbed starving warriors from neighboring tribes, swelling the Wanyan ranks and forging deep loyalty that military force alone could not produce. By 1113, when he succeeded his elder brother Wuyashu as tribal leader, all Jurchen groups had been drawn under Wanyan authority. His stature among his people was sealed in 1112, when Liao emperor Tianzuo, on a fishing excursion through Jurchen territory, ordered every chieftain to dance before him. Aguda was the sole figure who refused, an act of defiance that spread rapidly and cemented his image as a leader unwilling to submit to Khitan arrogance.

The Military Overthrow of the Liao Dynasty

Aguda's open revolt against the Liao dynasty began in September 1114, when he mustered roughly 2,500 tribesmen at Liushui, near present-day Lalin River in Jilin Province. His chief strategists were Wanyan Zonghan and Wanyan Xiyin, who had guided his preparations, including the dispatch of spies into Liao territory in early 1114. The initial campaign was strikingly successful: Jurchen cavalry seized Ningjiangzhou and then routed a 7,000-strong Liao force at the Battle of Chuhedian in November. By January 1115, after a string of victories, Aguda proclaimed himself emperor, founded the Jin dynasty, and took the regnal name Shouguo. The scale of his military achievement grew dramatically that summer. In August 1115, his forces captured Huanglong Prefecture and then delivered a staggering blow at the Battle of Hubudagang, where 20,000 Jurchen horsemen shattered a Liao army reported at 700,000. By 1116 the entire Liaodong Peninsula was under Jin control. Between 1119 and 1122, Aguda's armies repeatedly defeated Liao forces and ultimately seized all five of the Liao dynasty's capitals, leaving the Khitan regime in terminal decline by the time of his death in August 1123.

State-Building and Institutional Foundations

Beyond his military conquests, Aguda devoted attention to constructing the administrative and cultural foundations of his new state. He established a feudal governmental structure rooted in Jurchen tribal customs, creating a system that blended indigenous tradition with the demands of ruling a multi-ethnic territory. A particularly significant innovation was the Miŋgan Moumukə, a collectivist agricultural organization that structured national farming and resource distribution along communal lines rather than purely individual ones. Recognizing the need for a distinct cultural identity, Aguda also absorbed selective elements of Han Chinese culture while simultaneously ordering his chancellor Wanyan Xiyin to develop a unique Jurchen writing system, ensuring the new dynasty would not be linguistically dependent on its neighbors. These institutional choices gave the Jin state a coherent internal framework even as it was still engaged in active warfare. Aguda's legacy in this regard was further solidified after his death: in 1145, his descendant Emperor Xizong posthumously bestowed upon him the temple name Taizu, formally enshrining him as the founding patriarch of the Jin imperial line.

Diplomacy, the Song Alliance, and Final Days

Because the Jin and Northern Song dynasties shared a common enemy in the Liao, the two powers moved toward cooperation. In 1117, Song envoys arrived under the pretext of purchasing horses, but their true purpose was to negotiate a military alliance. Between 1117 and 1123, seven Song delegations traveled to the Jurchens and six Jin embassies visited the Song capital at Bianjing, present-day Kaifeng. The result was the Alliance Conducted at Sea: the Song would attack the Liao from the south, and in exchange the Jin would cede the Liao's Sixteen Prefectures to Song control. Aguda's death in August 1123 came just months after the Jin and Song signed a treaty recognizing each other as equals, with the Song obligated to pay an annual tribute of 200,000 taels of silver and 300,000 bolts of silk. He was succeeded by his younger brother Wuqimai, who completed the Liao's destruction by capturing Emperor Tianzuo in 1125. Aguda was interred in the Rui Mausoleum at Dafangshan outside Zhongdu, modern Beijing. Today, mounted statues of Aguda and his commander Wanyan Zonghan stand on the grounds of the Jin Dynasty History Museum near Harbin, marking the former site of the old Jin capital, Shangjing.