Ma Sui
Encyclopedia
Ma Sui (726
726
Year 726 was a common year starting on Tuesday of the Julian calendar. The denomination 726 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Seismic activity in the Mediterranean: The...

 – September 4, 795), courtesy name Xunmei (洵美), formally Prince Zhuangwu of Beiping (北平莊武王), was a Chinese
History of China
Chinese civilization originated in various regional centers along both the Yellow River and the Yangtze River valleys in the Neolithic era, but the Yellow River is said to be the Cradle of Chinese Civilization. With thousands of years of continuous history, China is one of the world's oldest...

 general who served during the Tang dynasty
Tang Dynasty
The Tang Dynasty was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li family, who seized power during the decline and collapse of the Sui Empire...

. He was known mostly for his battles against the rebel generals Li Lingyao (李靈曜), Tian Yue
Tian Yue
Tian Yue , formally the Prince of Jiyang , was a general of the Chinese dynasty Tang Dynasty who, from 782 to 784, claimed the title of Prince of Wei independent from the Tang regime...

, Zhu Tao
Zhu Tao
Zhu Tao , formally the Prince of Tongyi , was a general of the Chinese dynasty Tang Dynasty who initially served imperial causes during the reigns of Emperor Daizong and Emperor Dezong, but later turned against imperial rule in alliance with Wang Wujun, Tian Yue, and Li Na...

, and Li Huaiguang
Li Huaiguang
Li Huaiguang was a leading general of the Chinese dynasty Tang Dynasty, of Mohe extraction. He was credited with saving Emperor Daizong in the face of an attack by the rebel Zhu Ci in 783 but, dissatisfied with the lack of trust that Emperor Dezong displayed in him later, also rebelled, but his...

.

Background and early career

Ma Sui was born in 726
726
Year 726 was a common year starting on Tuesday of the Julian calendar. The denomination 726 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Seismic activity in the Mediterranean: The...

, during the reign of Emperor Xuanzong
Emperor Xuanzong of Tang
Emperor Xuanzong of Tang , also commonly known as Emperor Ming of Tang , personal name Li Longji , known as Wu Longji from 690 to 705, was the seventh emperor of the Tang dynasty in China, reigning from 712 to 756. His reign of 43 years was the longest during the Tang Dynasty...

. His family was from Ru Prefecture (汝州, in modern Pingdingshan
Pingdingshan
Pingdingshan , also known as the Eagle City, with approximately 5.2 million inhabitants is a prefecture-level city in central Henan province, People's Republic of China.-Geography:...

, Henan
Henan
Henan , is a province of the People's Republic of China, located in the central part of the country. Its one-character abbreviation is "豫" , named after Yuzhou , a Han Dynasty state that included parts of Henan...

) and claimed to be descended from the royal house of the Warring States Period
Warring States Period
The Warring States Period , also known as the Era of Warring States, or the Warring Kingdoms period, covers the Iron Age period from about 475 BC to the reunification of China under the Qin Dynasty in 221 BC...

 state Zhao
Zhao (state)
Zhao was a significant Chinese state during the Warring States Period, along with six others...

. Its traceable family line came from Ma Sui's great-great-great-grandfather Ma Xiu (馬岫), who served as an official of Northern Zhou
Northern Zhou
The Northern Zhou Dynasty followed the Western Wei, and ruled northern China from 557 to 581. It was overthrown by the Sui Dynasty.Northern Zhou's basis of power was established by Yuwen Tai, who was paramount general of Western Wei, following the split of Northern Wei into Western Wei and...

. Ma Sui's direct male-line ancestors, including his great-grandfather Ma Juncai (馬君才), grandfather Ma Wen (馬玟), and father Ma Jilong (馬季龍), all served during Tang Dynasty
Tang Dynasty
The Tang Dynasty was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li family, who seized power during the decline and collapse of the Sui Empire...

. Ma Wen did not carry a high office, having served only as high as a supply officer for one of the imperial guard corps, but Ma Jilong had passed a special imperial examination
Imperial examination
The Imperial examination was an examination system in Imperial China designed to select the best administrative officials for the state's bureaucracy. This system had a huge influence on both society and culture in Imperial China and was directly responsible for the creation of a class of...

 for the military strategy works of Sun Tzu
Sun Tzu
Sun Wu , style name Changqing , better known as Sun Tzu or Sunzi , was an ancient Chinese military general, strategist and philosopher who is traditionally believed, and who is most likely, to have authored The Art of War, an influential ancient Chinese book on military strategy...

 and Wu Qi
Wu Qi
Wu Qi was a Chinese military leader and politician in the Warring States period.-Biography:Born in the State of Wei , he was skilled in leading armies and military strategy. He had served in the states of Lu and Wei. In the state of Wei he commanded many great battles and was appointed Xihe Shou...

 and later served as a prefectural prefect and military commander at You Prefecture (幽州, in modern Beijing
Beijing
Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's...

). When Ma Sui himself was young, on one occasion, when he was studying with his older brothers, he stated, "There will surely be disturbances in the realm. A real man should have accomplishments that helps the people throughout the realm, and how can he sit idly by to be merely a Confucian
Confucianism
Confucianism is a Chinese ethical and philosophical system developed from the teachings of the Chinese philosopher Confucius . Confucianism originated as an "ethical-sociopolitical teaching" during the Spring and Autumn Period, but later developed metaphysical and cosmological elements in the Han...

 scholar?" As he grew, it was said that he had an unusual appearance, was tall, calm, brave, and intelligent. He was well-learned, particularly in the matters of military strategy.

In 755
755
Year 755 was a common year starting on Wednesday of the Julian calendar. The denomination 755 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Pepin the Short sends his armies into...

, the general An Lushan
An Lushan
An Lushan was a general who rebelled against the Tang Dynasty in China.His name was also transcribed into Chinese as Āluòshān or Gáluòshān ,...

 rebelled against Emperor Xuanzong's reign at Fanyang (范陽, i.e., You Prefecture), and soon advanced south to capture territory under imperial control and declare himself as emperor of a new state of Yan
Yan (Anshi)
Yan , also known as the Great Yan , was a state established in 756 by the Tang Dynasty general An Lushan, after he rebelled against the reign of Emperor Xuanzong of Tang in 755. The state was extinguished in 763, with the death of An Lushan's former subordinate, Shi Siming's son, Shi Chaoyi, who...

. He left his subordinate Jia Xun (賈循) in charge of Fanyang. Ma Sui, who was then at Fanyang, tried to persuade Jia to turn against An. Jia was impressed with Ma, but could not make up his mind. The proposal was leaked, however, and An sent his subordinate Han Chaoyang (韓朝陽) back to Fanyang and killed Jia. Ma fled Fanyang and was hidden by the hermit
Hermit
A hermit is a person who lives, to some degree, in seclusion from society.In Christianity, the term was originally applied to a Christian who lives the eremitic life out of a religious conviction, namely the Desert Theology of the Old Testament .In the...

 Xu Yu (徐遇) in the mountains to the west of Fanyang. After Ma hid there for a month, he left and joined the Tang resistance army at Pingyuan (平原, roughly modern Dezhou
Dezhou
Dezhou is a prefecture-level city in northwestern Shandong province, People's Republic of China. It borders the provincial capital of Jinan to the southeast, Liaocheng to the southwest, Binzhou to the northeast, and the province of Hebei to the north....

, Shandong
Shandong
' is a Province located on the eastern coast of the People's Republic of China. Shandong has played a major role in Chinese history from the beginning of Chinese civilization along the lower reaches of the Yellow River and served as a pivotal cultural and religious site for Taoism, Chinese...

) under Yan Zhenqing
Yan Zhenqing
Yan Zhenqing was a leading Chinese calligrapher and a loyal governor of the Tang Dynasty. His artistic accomplishment in Chinese calligraphy parallels the greatest master calligraphers throughout the history, and his regular script style, Yan, is often imitated.-Early life:Yan Zhenqing was born...

. After Pingyuan fell to Yan troops, Ma fled to Wei Commandery (魏郡, in modern Handan
Handan
Handan is a prefecture-level city located in the southwestern part of Hebei Province of China.- History :Handan was the capital of the State of Zhao during the Warring States period , after the capital moved from Zhongmu. The city was conquered by the State of Qin after the virtual annexation of...

, Hebei
Hebei
' is a province of the People's Republic of China in the North China region. Its one-character abbreviation is "" , named after Ji Province, a Han Dynasty province that included what is now southern Hebei...

). Nothing in his official biographies indicated what his activities were for the rest of the Anshi Rebellion.

During Emperor Daizong's reign

During the Baoyin era (762
762
Year 762 was a common year starting on Friday of the Julian calendar. The denomination 762 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Asia :* July 30 – Abbasid caliph al-Mansur...

-763
763
Year 763 was a common year starting on Saturday of the Julian calendar. The denomination 763 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Ciniod succeeds Bridei V as king of the...

) of Emperor Xuanzong's grandson Emperor Daizong
Emperor Daizong of Tang
Emperor Daizong of Tang , personal name Li Yu , né Li Chu , was an emperor of the Chinese Tang Dynasty....

, near the end of the Anshi Rebellion, Li Baoyu
Li Baoyu
Li Baoyu , né An Chongzhang , known for some time as An Baoyu , formally Duke Zhaowu of Liang , was a general of the Chinese dynasty Tang Dynasty...

, the military governor (Jiedushi
Jiedushi
The Jiedushi were regional military governors in China during the Tang Dynasty and the Five Dynasties and Ten Kingdoms Period. Originally set up to counter external threats, the jiedushi were given enormous power, including the ability to maintain their own armies, collect taxes, and pass their...

) of Zelu Circuit (澤潞, headquartered in modern Changzhi
Changzhi
Changzhi is a prefecture-level city in Shanxi Province, People's Republic of China. It lies between the city of Huozhou in Shanxi and the city of Hebi in Henan....

, Shanxi
Shanxi
' is a province in Northern China. Its one-character abbreviation is "晋" , after the state of Jin that existed here during the Spring and Autumn Period....

), made Mao Sui the sheriff of Zhaocheng County (趙城, in modern Linfen
Linfen
-Administrative divisions:The prefecture-level city of Linfen is divided in one district, two cities and fourteen counties. The information here presented uses the metric system and data from 2010 Census.-Pollution:...

, Shanxi
Shanxi
' is a province in Northern China. Its one-character abbreviation is "晋" , after the state of Jin that existed here during the Spring and Autumn Period....

). After the end of the Anshi Rebellion with the death of Yan's last emperor Shi Chaoyi
Shi Chaoyi
Shi Chaoyi was the final emperor of the Yan state that was established in rebellion against the Chinese Tang Dynasty. He was the oldest son of Shi Siming, and he overthrew and then killed his father in a coup in 761 and took over as emperor...

 in 763, the Huige troops under its Dengli Khan Yaoluoge Yidijian (藥羅葛移地健), who were in Tang lands to help with the efforts against Yan, were returning home, and on the way, they went through Tang territory without any regards for Tang local officials, killing and pillaging at will. When they were set to pass through Zelu Circuit, Li Baoyu could find no subordinates willing to be in charge of welcoming the Huige troops. Ma volunteered, and, before Huige troops arrived, he first gave gifts to their commanders. The commanders, in return, issued orders authorizing Ma to punish Huige soldiers not following orders. Ma then, as the Huige troops were arriving, had several prisoners who were already sentenced to death dressed up as his own attendants, and, if they even disobeyed his orders in any minor manner, he had them beheaded in the Huige soldiers' presence. Subdued by this display, the Huige soldiers, as they went through Zelu Circuit, were willing to abide by regulations. This impressed Li Baoyu greatly. Ma then further warned Li Baoyu that he believed the major general Pugu Huai'en
Pugu Huai'en
Pugu Huai'en , formally the Prince of Da'ning , was a general of the Chinese dynasty Tang Dynasty, of Tiele ancestry. He was instrumental in the final suppression of the Anshi Rebellion, but rebelled against Emperor Daizong in fear that he was being accused of treason...

, who had accepted the surrenders of four major Yan generals at the end of the Anshi Rebellion (Li Huaixian
Li Huaixian
Li Huaixian was a general of the Chinese rebel state Yan, who later submitted to and became a general of Tang Dynasty, from which Yan had rebelled...

, Xue Song
Xue Song
Xue Song , formally the Prince of Pingyang , was a general of the Chinese rebel state Yan, who later submitted to and became a general of Tang Dynasty, from which Yan had rebelled...

, Li Baochen
Li Baochen
Li Baochen , originally named Zhang Zhongzhi , courtesy name Weifu , known as An Zhongzhi during the Anshi Rebellion and Zhang Baochen 778–779, formally the Prince of Longxi , was a general of the Chinese rebel state Yan, who later submitted to and became a general of Tang Dynasty, from...

, and Tian Chengsi
Tian Chengsi
Tian Chengsi , formally the Prince of Yanmen , was a general of the Chinese rebel state Yan, who later submitted to and became a general of Tang Dynasty, from which Yan had rebelled...

) and had recommended that they be allowed to remain as military governors, and who was also Yaoluoge Yidijian's father-in-law, might be intending to rebel and having designs on Zelu and Hedong (河東, headquartered in modern Taiyuan
Taiyuan
Taiyuan is the capital and largest city of Shanxi province in North China. At the 2010 census, it had a total population of 4,201,591 inhabitants on 6959 km² whom 3,212,500 are urban on 1,460 km². The name of the city literally means "Great Plains", referring to the location where the Fen River...

, Shanxi
Shanxi
' is a province in Northern China. Its one-character abbreviation is "晋" , after the state of Jin that existed here during the Spring and Autumn Period....

) Circuits. He recommended precautions, and Li Baoyu agreed. Subsequently, when Pugu did rebel, he sought food supplies from Xue. Li Baoyu sent Ma to persuade Xue not to cooperate with Pugu, and Xue turned against Pugu. As a result, Ma was promoted.

Later, Ma served as the prefect of Zheng Prefecture (鄭州, in modern Zhengzhou
Zhengzhou
Zhengzhou , is the capital and largest city of Henan province in north-central China. A prefecture-level city, it also serves as the political, economic, technological, and educational centre of the province, as well as a major transportation hub for Central China...

, Henan
Henan
Henan , is a province of the People's Republic of China, located in the central part of the country. Its one-character abbreviation is "豫" , named after Yuzhou , a Han Dynasty state that included parts of Henan...

). He encouraged agriculture and reduced taxes, reforms that were much appreciated by the people. In 769
769
Year 769 was a common year starting on Sunday of the Julian calendar. The denomination 769 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Religion :* Pope Stephen III holds a council; papal...

, he was made the prefect of Huai Prefecture (懷州, in modern Jiaozuo
Jiaozuo
Jiaozuo is a prefecture-level city in northern Henan province, People's Republic of China. Sitting on the northern bank of the Yellow River, it borders the provincial capital of Zhengzhou to the south, Xinxiang to the east, Jiyuan to the west, Luoyang to the southwest, and the province of Shanxi...

, Henan
Henan
Henan , is a province of the People's Republic of China, located in the central part of the country. Its one-character abbreviation is "豫" , named after Yuzhou , a Han Dynasty state that included parts of Henan...

). He was able to comfort the people despite a devastating drought at the time. Later, as Li Baoyu had also been made the military governor of Fengxiang Circuit (鳳翔, headquartered in modern Baoji
Baoji
Baoji is a prefecture-level city in Shaanxi province, China.-Geography:The prefecture-level city of Baoji has a population of 3,716,731 according to the 2010 Chinese census, inhabiting an area of . The city itself has a population of approximately 800,000. Surrounded on three sides by hills,...

, Shaanxi
Shaanxi
' is a province in the central part of Mainland China, and it includes portions of the Loess Plateau on the middle reaches of the Yellow River in addition to the Qinling Mountains across the southern part of this province...

), on the western border with Tufan, Ma was made the prefect of Long Prefecture (隴州, in modern Baoji). There was an old road to the west of the prefectural capital that enabled Tufan troops to advance easily on incursions, and within eight days, Ma placed boulders and planted trees to seal the road, and further set up two defensive gates on the road. On an occasion when Li Baoyu went to the capital Chang'an
Chang'an
Chang'an is an ancient capital of more than ten dynasties in Chinese history, today known as Xi'an. Chang'an literally means "Perpetual Peace" in Classical Chinese. During the short-lived Xin Dynasty, the city was renamed "Constant Peace" ; yet after its fall in AD 23, the old name was restored...

 to pay respect to Emperor Daizong, Ma accompanied him, and Emperor Daizong, believing that Ma was able, made him the prefect of Shang Prefecture (商州, in modern Shangluo
Shangluo
-Administrative divisions:...

, Shaanxi
Shaanxi
' is a province in the central part of Mainland China, and it includes portions of the Loess Plateau on the middle reaches of the Yellow River in addition to the Qinling Mountains across the southern part of this province...

) and put him in charge of the supply lines going through Shang Prefecture.

In 775
775
Year 775 was a common year starting on Sunday of the Julian calendar. The denomination 775 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.-Africa:* Andalusian merchants set up an emporium on the...

, the soldiers stationed at the important base Heyang (河陽, in modern Luoyang
Luoyang
Luoyang is a prefecture-level city in western Henan province of Central China. It borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast.Situated on the central plain of...

, Henan
Henan
Henan , is a province of the People's Republic of China, located in the central part of the country. Its one-character abbreviation is "豫" , named after Yuzhou , a Han Dynasty state that included parts of Henan...

) mutinied and expelled their commander Chang Xiuming (常休明). Emperor Daizong made Ma the commander of Heyang to replace Chang. In 776
776
Year 776 was a leap year starting on Monday of the Julian calendar. The denomination 776 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* April 14 – Charlemagne spends Easter in...

, following the death of Tian Shenyu (田神玉) the acting military governor of Biansong Circuit (汴宋, headquartered in modern Kaifeng
Kaifeng
Kaifeng , known previously by several names , is a prefecture-level city in east-central Henan province, Central China. Nearly 5 million people live in the metropolitan area...

, Henan
Henan
Henan , is a province of the People's Republic of China, located in the central part of the country. Its one-character abbreviation is "豫" , named after Yuzhou , a Han Dynasty state that included parts of Henan...

), Tian's subordinate Li Lingyao seized the control of the circuit. Initially, Emperor Daizong tried to appease Li Lingyao by making him the acting military governor, but after Li Lingyao continued to be defiant of imperial authorities, Emperor Daizong commissioned Ma, Li Zhongchen
Li Zhongchen
Li Zhongchen , né Dong Qin , was a general of the Chinese dynasty Tang Dynasty who was known, for most of his career, as both a supporter of the imperial cause but also a corrupt and violent military governor...

, Li Mian
Li Mian
Li Mian , courtesy name Xuanqing , formally Duke Zhenjian of Qian , was an official and general of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Dezong.- Background :...

, assisted by Chen Shaoyou (陳少遊) and Li Zhengji
Li Zhengji
- Background :Li Huaiyu was born in 733, during the reign of Emperor Xuanzong of Tang. He was born in Tang's Pinglu Circuit...

, to attack Biansong. In fall 775, Ma and Li Zhongchen rendezvoused at Zheng Prefecture. Li Lingyao launched a surprise attack against their forces and causing them to withdraw; a large portion of Li Zhongchen's army, from Huaixi Circuit (淮西, headquartered in modern Zhumadian
Zhumadian
Zhumadian is a prefecture-level city in southern Henan province, People's Republic of China. It borders Xinyang to the south, Nanyang to the west, Pingdingshan to the northwest, Luohe to the north, Zhoukou to the northeast, and the province of Anhui to the east.Its population is 7,230,744 at the...

, Henan
Henan
Henan , is a province of the People's Republic of China, located in the central part of the country. Its one-character abbreviation is "豫" , named after Yuzhou , a Han Dynasty state that included parts of Henan...

), deserted, while the people of Zheng Prefecture panicked and fled to the eastern capital Luoyang
Luoyang
Luoyang is a prefecture-level city in western Henan province of Central China. It borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast.Situated on the central plain of...

. Li Zhongchen wanted to retreat, but Ma opposed, stating, "We are regular troops attacking rebels. Why do we worry about defeat? Why do we give us this chance for battlefield accomplishments?" He dug in, and in response, Li Zhongchen gathered his soldiers and also dug in. They then moved toward Bian Prefecture, with Ma marching north of the Bian River (a canal connecting the Yellow River
Yellow River
The Yellow River or Huang He, formerly known as the Hwang Ho, is the second-longest river in China and the sixth-longest in the world at the estimated length of . Originating in the Bayan Har Mountains in Qinghai Province in western China, it flows through nine provinces of China and empties into...

 and the Huai River
Huai River
The Huai River is a major river in China. The Huai River is located about mid-way between the Yellow River and Yangtze River, the two largest rivers in China, and like them runs from west to east...

, flowing through Bian Prefecture) and Li Zhongchen marching south of the Bian River. They were joined by Chen's forces, and together they battled Li Lingyao's forces to the west of Bian Prefecture's capital, defeating Li Lingyao. Li Lingyao withdrew within the capital, and Ma and Li Zhongchen put it under siege. After they further defeated relief forces commanded by Tian Yue
Tian Yue
Tian Yue , formally the Prince of Jiyang , was a general of the Chinese dynasty Tang Dynasty who, from 782 to 784, claimed the title of Prince of Wei independent from the Tang regime...

 (the nephew of Tian Chengsi, who was allied with Li Lingyao), Li Lingyao fled but was eventually captured by Li Mian's forces and delivered to Chang'an to be executed. Ma, knowing that Li Zhongchen was fierce and cruel, decided not to contend with Li Zhongchen as to the credits for the victory and therefore refused to enter Bian Prefecture's capital. Li Zhongchen entered Bian Prefecture and, on his subsequent reports, credited only himself, as Ma predicted, going as far as killing the Biansong general Li Senghui (李僧惠), who had turned against Li Lingyao and who also contributed much to the victory.

Campaign against Tian Yue

In 779
779
Year 779 was a common year starting on Friday of the Julian calendar. The denomination 779 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Offa of Mercia defeats Cynewulf of Wessex...

, Emperor Daizong died and was succeeded by his son Emperor Dezong
Emperor Dezong of Tang
Emperor Dezong of Tang , personally name Li Kuo , was an emperor of the Chinese Tang Dynasty and the oldest son of his father Emperor Daizong. His reign of 26 years was the third longest in the Tang dynasty...

. Shortly thereafter, Ma Sui was made the acting military governor of Hedong Circuit and the mayor of Taiyuan Municipality. Hedong Circuit had recently (in 778
778
Year 778 was a common year starting on Thursday of the Julian calendar. The denomination 778 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* August 15 – Battle of Roncevaux Pass...

) suffered a major defeat against Huige forces, and its army was weak at the time. Ma carried new recruitment for cavalry soldiers from the rank of the officers' horse carers, built new battle wagons, and conducted rounds of battle training, thus rebuilding the Hedong Army within the span of a year. In 781
781
Year 781 was a common year starting on Monday of the Julian calendar. The denomination 781 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Asia :* July 31 – The oldest recorded eruption...

, he was at Chang'an to pay homage to Emperor Dezong, when he warned Emperor Dezong that Tian Yue, who had succeeded Tian Chengsi as the military governor of Weibo Circuit (魏博, headquartered in modern Handan) in 779 and taken a conciliatory and submissive posture toward the imperial government, would nevertheless rebel eventually and that precautions needed to be taken.

Meanwhile, in 781, Li Baochen and Li Zhengji died, and their sons Li Weiyue
Li Weiyue
Li Weiyue was the son of the Chinese Tang Dynasty general Li Baochen. After Li Baochen's death in 781, Li Weiyue tried to succeed his father as the de facto ruler of Chengde Circuit and waged a campaign against the imperial government when Emperor Dezong refused to let him do so...

 and Li Na
Li Na (Tang Dynasty)
Li Na , formally the Prince of Longxi , was a general of the Chinese Tang Dynasty. Inheriting the post from his father Li Zhengji, he served as the military governor of Pinglu Circuit semi-independently from the imperial government.- Background :Li Na was born in 758, during the reign of...

 requested to succeed their fathers, to be military governors of Chengde (成德, headquartered in modern Shijiazhuang
Shijiazhuang
Shijiazhuang is the capital and largest city of North China's Hebei province. Administratively a prefecture-level city, it is about south of Beijing...

, Hebei
Hebei
' is a province of the People's Republic of China in the North China region. Its one-character abbreviation is "" , named after Ji Province, a Han Dynasty province that included what is now southern Hebei...

) and Pinglu (平盧, headquartered in modern Tai'an
Tai'an
Tai'an is a prefecture-level city in western Shandong province, People's Republic of China.Centered around Mount Tai, the city borders the provincial capital of Jinan to the north, Laiwu to the northeast, Zibo to the east, Linyi to the southeast, Liaocheng to the extreme west and Jining to the south...

, Shandong
Shandong
' is a Province located on the eastern coast of the People's Republic of China. Shandong has played a major role in Chinese history from the beginning of Chinese civilization along the lower reaches of the Yellow River and served as a pivotal cultural and religious site for Taoism, Chinese...

), respectively. Emperor Dezong refused. They thus prepared for war against the imperial government, and Tian and Liang Chongyi
Liang Chongyi
Liang Chongyi was a general of the Chinese dynasty Tang Dynasty. During the reign of Emperor Daizong, Liang took advantage of the army's discontent after the death of the general Lai Tian to seize control of Shannan East Circuit and hold it semi-independently from the imperial regime...

 (the military governor of Shannan East Circuit (山南東道, headquartered in modern Xiangfan
Xiangfan
Xiangyang is a prefecture-level city in Hubei Province of the People's Republic of China. It was formed from two famous ancient cities, Xiangyang and Fancheng...

, Hubei
Hubei
' Hupeh) is a province in Central China. The name of the province means "north of the lake", referring to its position north of Lake Dongting...

)), allied to them, prepared for war as well. Tian, as Zhaoyi Circuit (昭義, the new name for Zelu Circuit), whose military governor Li Baozhen
Li Baozhen
Li Baozhen , né An Baozhen , courtesy name Taixuan , formally the Prince of Yiyang , was a general of the Chinese dynasty Tang Dynasty. He initially distinguished himself as deputy for his cousin Li Baoyu, and after Li Baoyu's death came into command of his own...

 (Li Baoyu's cousin) was loyal to the imperial government and which held two prefectures close to his own capital, decided to attack Zhaoyi Circuit. He put Zhaoyi's city Linming (臨洺, in modern Handan) under siege. Emperor Dezong sent Ma and Li Sheng
Li Sheng
Li Sheng was a Chinese landscape artist. His brush painting Saying Farewell by the Lake Dianshan is popular in the west, as exemplified by its widespread availability.- See also :* Chinese painting in the Song and Yuan dynasties...

 to aid Li Baozhen. Ma, before his arrival in the region, sent a humble letter to Tian, to make Tian believe that Ma was fearful of him. Ma then rendezvoused with Li Baozhen and attacked Tian's subordinate Yang Chaoguang (楊朝光), in charge of logistics and had his subordinate Li Ziliang (李自良) cut off a potential path for Tian to aid Yang — going as far as telling Li Ziliang, "If Tian Yue got past you, I will cut off your head!" Tian indeed tried to aid Yang, but was blocked by Li Ziliang, and Ma and Li Baozhen defeated and killed Yang. They then advanced to Linming and defeated Tian as well, forcing Tian to flee back to his capital Wei Prefecture (魏州).

In spring 782
782
Year 782 was a common year starting on Tuesday of the Julian calendar. The denomination 782 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Charlemagne summons the monk and scholar...

, Ma, Li Baozhen, and Li Sheng, joined by Li Qiu (李艽), the military governor of Heyang Circuit (converted from Heyang Base), engaged Tian, who was aided by soldiers from Chengde and Pinglu Circuits, near Wei Prefecture, and they had a major victory over Tian. Tian was again forced to flee back to Wei Prefecture. The officer that Tian had put in charge of Wei Prefecture, Li Changchun (李長春), was ready to turn against Tian and submit to the imperial government, and when Tian arrived during the night, he closed the city gates. However, Ma and Li Baozhen, who had grudges against each other over Ma's defense of Li Baozhen's subordinate Yang Shu (楊鉥), whom Li Baozhen had wanted to kill, could not chase after Tian quickly, and by morning, Li Changchun was forced to open the city gates, allowing Tian to reenter, execute Li Changchun, and get ready to defend the city. Only after more than a day did Ma and Li Baozhen arrive at Wei Prefecture, and they could not immediately capture it.

Meanwhile, after a number of victories that Zhu Tao
Zhu Tao
Zhu Tao , formally the Prince of Tongyi , was a general of the Chinese dynasty Tang Dynasty who initially served imperial causes during the reigns of Emperor Daizong and Emperor Dezong, but later turned against imperial rule in alliance with Wang Wujun, Tian Yue, and Li Na...

, the acting military governor of Lulong Circuit (盧龍, headquartered in modern Beijing), and Li Baochen's former subordinate Zhang Xiaozhong
Zhang Xiaozhong
Zhang Xiaozhong , né Zhang Alao , formally Prince Zhenwu of Shanggu , was a general of the Chinese Tang Dynasty, of Xi extraction. Initially he served the rebel state Yan, during the Anshi Rebellion, and later served the warlord Li Baochen...

, had over Li Weiyue, Li Weiyue was killed by his own subordinate Wang Wujun
Wang Wujun
Wang Wujun , courtesy name Yuanying , né Monuogan , formally Prince Zhonglie of Langye , was a general of the Chinese dynasty Tang Dynasty, serving as a long-time Jiedushi of Chengde Circuit during the reign of Emperor Dezong and ruling Chengde in a de facto independent manner...

, who then surrendered. However, Emperor Dezong then alienated both Zhu (by not giving him part of Chengde's territory that he had captured) and Wang Wujun (by not making him the military governor of Chengde as Emperor Dezong had implicitly promised anyone who would kill Li Weiyue). Tian made overtures to Zhu and Wang, and they agreed to ally with him. They advanced south toward Weibo. Meanwhile, the dispute between Ma and Li Baozhen flared up further when Li Baozhen took some of his own soldiers to defend Zhaoyi's Xing Prefecture (邢州, in modern Xingtai
Xingtai
Xingtai is a city in southern Hebei province, North China. The prefecture-level city of Xingtai, with a total area of , administers 2 districts, 2 county-level cities and 15 counties. In 2004 it had an urban population of 561,400 and a total population of 6.73 million...

, Hebei
Hebei
' is a province of the People's Republic of China in the North China region. Its one-character abbreviation is "" , named after Ji Province, a Han Dynasty province that included what is now southern Hebei...

) in case Wang attacked it — drawing Ma's ire and causing Ma to consider withdrawing back to Hedong. Only with Li Sheng's intercession did Ma and Li Baozhen make peace. Meanwhile, Emperor Dezong sent the general Li Huaiguang
Li Huaiguang
Li Huaiguang was a leading general of the Chinese dynasty Tang Dynasty, of Mohe extraction. He was credited with saving Emperor Daizong in the face of an attack by the rebel Zhu Ci in 783 but, dissatisfied with the lack of trust that Emperor Dezong displayed in him later, also rebelled, but his...

 to aid Ma and Li Baozhen, while bestowing on Ma the honorary chancellor designation of Tong Zhongshu Menxia Pingzhangshi (同中書門下平章事).

In summer 782, Zhu and Wang arrived at Wei Prefecture and prepared to battle the imperial troops sieging Wei Prefecture. Li Huaiguang also arrived and, against Ma's advice of waiting until his soldiers had enough rest, decided to battle Zhu and Wang immediately. He had initial successes, but Wang cut his soldiers off from each other with a charge, leading to a major defeat for the imperial forces. Zhu and Wang then tried to cut off the imperial troops escape, but Ma then promised to request that Emperor Dezong put Zhu in charge of the entire region north of the Yellow River. Zhu believed him and did not pursue imperial forces further, so the imperial forces were able to withdraw over a river from Wei Prefecture, and were able to take up a posture against the rebel forces, thus putting the armies into a stalemate. Emperor Dezong gave Ma the title of military governor of Weibo, while Zhu, Wang, Tian, and Li Na all took princely titles to signify independence from Tang.

During Zhu Ci's and Li Huaiguang's rebellions

In fall 783
783
Year 783 was a common year starting on Wednesday of the Julian calendar. The denomination 783 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Byzantine Empire :* Campaigns of the Byzantine...

, soldiers from Jingyuan Circuit (涇原, headquartered in modern Pingliang
Pingliang
Pingliang is a prefecture-level city in eastern Gansu Province in China. Pingliang is famous for a local mountain range that includes Kongtong Mountain, a site sacred to Taoism and mythical meeting place of the Yellow Emperor and Guangchengzi, an immortal....

, Gansu
Gansu
' is a province located in the northwest of the People's Republic of China.It lies between the Tibetan and Huangtu plateaus, and borders Mongolia, Inner Mongolia, and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south, and Shaanxi to the east...

), in Chang'an to await deployment to the east, mutinied when they became angry that Emperor Dezong was not giving them rewards. Emperor Dezong fled to Fengtian (奉天, in modern Xianyang
Xianyang
Xianyang is a former capital of China in Shaanxi province, on the Wei River, a few kilometers upstream from Xi'an. It has an area of...

, Shaanxi
Shaanxi
' is a province in the central part of Mainland China, and it includes portions of the Loess Plateau on the middle reaches of the Yellow River in addition to the Qinling Mountains across the southern part of this province...

), and the Jingyuan soldiers supported Zhu Tao's brother Zhu Ci
Zhu Ci
Zhu Ci was a general of the Chinese dynasty Tang Dynasty. He initially served as military governor of Lulong Circuit , but later became a general for the imperial government...

 (who had been earlier removed from his command due to Zhu Tao's rebellion) as their leader. Zhu Ci soon declared himself emperor of a new state of Qin. When Emperor Dezong's messengers, delivering these news, arrived at the imperial forces' camps near Wei Prefecture, the imperial forces scattered, with Li Huaiguang heading toward Fengtian to try to save Emperor Dezong, and Ma Sui, Li Baozhen, and Li Qiu each returning to their own circuits. Subsequently, after persuasion from Li Baozhen, Wang Wujun secretly agreed to resubmit to the imperial cause, and Ma and Li Baozhen both maintained contact with Wang. Upon return to Hedong Circuit, Ma strengthened the defenses of its capital Taiyuan by diverting the waters of nearby Fen River
Fen River
The Fen River drains the center of Shanxi Province, China. It rises in the Guancen Mountains of Ningwu County in northeast Shanxi, flows southeast into the basin of Taiyuan, and then south through the central valley of Shanxi before turning west to join the Yellow River west of Hejin. The Fen and...

 to create defensive ponds and moats around Taiyuan. He also sent his subordinate Wang Quan (王權) with 5,000 soldiers, along with his own son Ma Hui (馬彙), to try to aid Emperor Dezong. Emperor Dezong gave Ma Sui the title of acting Situ (司徒, one of the Three Excellencies
Three Excellencies
The Three Ducal Ministers , also translated as the Three Dukes, Three Excellencies, or the Three Lords, was the collective name for the three highest officials in ancient China...

) and created him the Prince of Beiping. Meanwhile, Li Huaiguang fought off a Zhu Ci assault on Fengtian and saved Emperor Dezong from certain capture or death in late 783, but subsequently, angry over Emperor Dezong's refusal to meet him after the battle, rebelled in spring 784
784
Year 784 was a leap year starting on Thursday of the Julian calendar. The denomination 784 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Asia :* The Japanese capital moves away from Nara,...

 against Emperor Dezong as well, forcing Emperor Dezong to flee to Liang Prefecture (梁州, in modern Hanzhong
Hanzhong
Hanzhong is a municipality in southwest Shaanxi Province, China, occupying a historically significant valley in the mountains between the Xi'an area, home to many Chinese capitals, and the fertile but isolated Sichuan Basin...

, Shaanxi
Shaanxi
' is a province in the central part of Mainland China, and it includes portions of the Loess Plateau on the middle reaches of the Yellow River in addition to the Qinling Mountains across the southern part of this province...

). After Emperor Dezong fled to Liang Prefecture, Wang Quan and Ma Hui returned to Hedong Prefecture.

Soon, though, with many of Li Huaiguang's subordinates turning against him, he withdrew from the Chang'an region to Hezhong (河中, in modern Yuncheng, Shanxi
Shanxi
' is a province in Northern China. Its one-character abbreviation is "晋" , after the state of Jin that existed here during the Spring and Autumn Period....

). Li Sheng, who was then the commander of the Tang forces in the region, then recaptured Chang'an from Zhu Ci in summer 784, and Zhu Ci was killed in flight. Li Sheng welcomed Emperor Dezong back to Chang'an. He subsequently put Ma Sui in charge of the operations against Li Huaiguang, along with Hun Zhen
Hun Zhen
Hun Zhen , né Hun Jin , formally Prince Zhongwu of Xianning , was a general of the Chinese dynasty Tang Dynasty of Tiele extraction...

 and Luo Yuanguang (駱元光). Ma was quickly able to get three prefectures previously under Li Huaiguang's control — Jin (晉州), Ci (慈州), and Xi (隰州) (all in modern Linfen
Linfen
-Administrative divisions:The prefecture-level city of Linfen is divided in one district, two cities and fourteen counties. The information here presented uses the metric system and data from 2010 Census.-Pollution:...

, Shanxi
Shanxi
' is a province in Northern China. Its one-character abbreviation is "晋" , after the state of Jin that existed here during the Spring and Autumn Period....

) to surrender to him, and Emperor Dezong wanted to give him the command of the three prefectures as a new Jincixi Circuit (晉慈隰). Ma declined — pointing out that, pursuant to his own recommendations, the three prefectures had already been promised to Kang Rizhi (康日知), who had stood up against Wang Wujun but whose Shenzhao Circuit (深趙, headquartered in modern Shijiazhuang) had been promised to Wang Wujun as enticement for Wang Wujun to return to the imperial fold. Emperor Dezong much approved of Ma's willingness to yield the three prefectures, and when Kang arrived, Ma transferred the three prefectures to Kang, with their treasuries intact, much to Kang's surprise and happiness. Ma subsequently continued to attack Li Huaiguang's territory, seizing it piece by piece. However, with imperial forces lacking food, the opinion among the imperial opinions largely wanted to try to pardon Li Huaiguang and persuade him to resubmit to imperial authority. Ma opposed, however, and when he was at Chang'an to pay homage to Emperor Dezong in spring 785
785
Year 785 was a common year starting on Saturday of the Julian calendar. The article denomination 785 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years...

, he requested one more month of time to subdue Li Huaiguang, and Emperor Dezong agreed. He subsequently persuaded Li Huaiguang's officer Xu Tingguang (徐庭光), who was defending Changchun Palace (長春宮, in modern Weinan
Weinan
Weinan is a Municipality in the province of Shaanxi, PRC. The Grand Historian Sima Qian was born in Weinan.-Administration:...

, Shaanxi
Shaanxi
' is a province in the central part of Mainland China, and it includes portions of the Loess Plateau on the middle reaches of the Yellow River in addition to the Qinling Mountains across the southern part of this province...

), to surrender, and then approached Hezhong with Hun and Luo. Li Huaiguang, facing defeat, committed suicide, ending his rebellion, 27 days after Ma had requested one more month to subdue him. Emperor Dezong gave Ma the additional title of Shizhong (侍中), the head of the examination bureau of government (門下省), a post considered one for a chancellor.

After Li Huaiguang's rebellion

In 768
768
Year 768 was a leap year starting on Friday of the Julian calendar. The denomination 768 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Pepin the Short , king of the Franks since...

, during a major Tufan incursion, led by Tufan's chancellor Shang Jiezan (尚結贊), Emperor Dezong had Ma Sui, along with Li Sheng and Hun Zhen, converge against Shang. Shang, who was trying to find a way to get the three generals, whom he saw as the only obstacles between him and a conquest of Tang, removed from their commands. With Li Sheng vehemently opposing peace with Tufan, Shang, who was running into difficulties due to his livestock dying during the campaign, therefore sought peace through Ma. Ma, believing in Shang's sincerity and having prior grudges with Li Sheng, advocated a peace agreement and subsequently arrived at Chang'an to further advocate it. With Ma and another chancellor who was also a political enemy of Li Sheng's, Zhang Yanshang
Zhang Yanshang
Zhang Yanshang , né Zhang Baofu , was an official of the Chinese dynasty, serving as a chancellor during the reign of Emperor Dezong.- Background :...

, advocating peace, Emperor Dezong removed Li Sheng from his command at Fengxiang (鳳翔, in modern Baoji
Baoji
Baoji is a prefecture-level city in Shaanxi province, China.-Geography:The prefecture-level city of Baoji has a population of 3,716,731 according to the 2010 Chinese census, inhabiting an area of . The city itself has a population of approximately 800,000. Surrounded on three sides by hills,...

, Shaanxi
Shaanxi
' is a province in the central part of Mainland China, and it includes portions of the Loess Plateau on the middle reaches of the Yellow River in addition to the Qinling Mountains across the southern part of this province...

) and recalled him to Chang'an, getting ready to make peace with Tufan.

By summer 787, Emperor Dezong and Shang had negotiated a peace treaty, and Hun, as Emperor Dezong's emissary, was set to meet with Shang at Pingliangchuan (平涼川, in modern Pingliang). Li Sheng, fearing Tufan treachery, instructed Hun to be careful, but Zhang, hearing this, accused Li Sheng of interfering with the peace with Tufan. Emperor Dezong thus instructed Hun to be relaxes, not to aggravate Tufan in any way. On July 8, 787, at the meeting site, Shang laid a trap for Hun and launched a sudden attack, killing and capturing many of Hun's attendants, but Hun escaped. When the news reached Chang'an, Emperor Dezong was so panicked that he considered fleeing Chang'an, but remained due to Li Sheng's advice. Shang, in order to further aggravate Emperor Dezong's attitude toward Ma, intentionally released Ma's nephew Ma Yan (馬弇), along with the imperial eunuch messenger Ju Wenzhen (俱文珍). As a result of this debacle, Zhang claimed an illness and retired, while Emperor Dezong recalled Ma Sui to the capital and stripped him of his command, keeping him at Chang'an to serve as Shizhong and Situ. Emperor Dezong gave Li Ziliang the command of Hedong, despite Li Ziliang's reluctance due to his longtime service under Ma.

Later in the year, Emperor Dezong made a respected senior advisor, Li Mi
Li Mi (chancellor)
Li Mi , courtesy name Changyuan , formally the Marquess of Ye County , was an official of the Chinese dynasty Tang Dynasty...

 — who had previously served his grandfather Emperor Suzong
Emperor Suzong of Tang
Emperor Suzong of Tang , personal name Li Heng , né Li Sisheng , known as Li Jun from 725 to 736, known as Li Yu from 736 to 738, known briefly as Li Shao in 738, was an emperor of the Tang Dynasty and the son of Emperor Xuanzong...

 and father Emperor Daizong but declined major offices — chancellor. At a meeting that Emperor Dezong hosted for Li Mi, with Liu Hun
Liu Hun
Liu Hun , né Liu Zai , courtesy name Yikuang , alternative name Weishen , formally Count Zhen of Yicheng ,, was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Dezong.- Background :Liu Zai was born in 715, during the reign of Emperor Xuanzong...

, Ma, and Li Sheng also present, Li Mi openly asked Emperor Dezong to guarantee Li Sheng's and Ma's personal safety, due to their great achievements. Emperor Dezong agreed. Later, when Li Mi advocated an alliance with Huige against Tufan, despite Emperor Dezong's longstanding hatred toward Huige — as, during an incident in 762
762
Year 762 was a common year starting on Friday of the Julian calendar. The denomination 762 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Asia :* July 30 – Abbasid caliph al-Mansur...

 while he was still the Prince of Yong under Emperor Dezong, a number of his staff members had been arrested and killed by Huige's then-khan Dengli Khan Yaoluoge Yidijian (藥羅葛移地建) over a dispute in the meeting protocol between the young prince and the khan — Li Sheng and Ma spoke in favor of the alliance, finally persuading Emperor Dezong in conjunction with Li Mi's advice.

In 793
793
Year 793 was a common year starting on Tuesday of the Julian calendar. The denomination 793 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* June 8 – Vikings sack the monastery...

, when Ma was meeting Emperor Dezong, Emperor Dezong, on account of Ma's having an illness in his feet, ordered that he not be required to bow. During the meeting, when Ma fell due to his illness, Emperor Dezong personally helped him up. Ma subsequently tried to resign his Shizhong post, but Emperor Dezong declined. Ma died in 795
795
Year 795 was a common year starting on Thursday of the Julian calendar. The denomination 795 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* In the earliest recorded Viking raid on...

 and was buried with great honors.

Liu Xu, the lead editor of the Book of Tang
Book of Tang
The Book of Tang , Jiu Tangshu or the Old Book of Tang is the first classic work about the Tang Dynasty. The book began when Gaozu of Later Jin ordered its commencement in 941...

, had this comment about Ma:
Ouyang Xiu
Ouyang Xiu
Ouyang Xiu was a Chinese statesman, historian, essayist and poet of the Song Dynasty. He is also known by his courtesy name of Yongshu, and was also self nicknamed The Old Drunkard 醉翁, or Householder of the One of Six 六一居士 in his old age...

, the lead editor of the New Book of Tang
New Book of Tang
The New Book of Tang , is a classic work of history about the Tang Dynasty edited by Ouyang Xiu and Song Qi and other official scholars of the Song Dynasty. The emperor called for a revision of the former Book of Tang in 1044. The New Book was presented to the throne in 1060. It was given its...

, indicated his agreement, but further commented:
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