Hangul 무왕 Hangul 대무예 Parents Go of Balhae Hanja 武王 Hanja 大武藝 Children Mun of Balhae | Revised Romanization Mu wang Name Mu Balhae Grandparents Dae Jung-sang McCune–Reischauer Mu wang Died 737 AD | |
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Dae Mu-ye, also known as King Mu (Hangul: 무왕; Hanja: 武王) (r. 718–737), was the second king of the Balhae. He is noted for the military expansion of his domain.
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Background
Dae Mu-ye was the eldest son of Dae Jo-yeong, the founder of the ancient kingdom of Balhae, He ascended to the throne after the death in 719 of his father. He was given the title of "King of the Gyeru Province" by Tang Emperor Xuanzong. He gave the posthumous title King Go to his father, Dae Jo-yeong. Since then, He declared the era name In-an, an act of independence from China's Tang dynasty. On the other hand, he frequently sent embassies to the Tang, including his sons and brothers.
Reign
Balhae's aggressive expansion triggered frictions with Tang China, Silla of southern Korea, the Khitans, the Xi, the Göktürks, and several Mohe tribes. When the Heishui Mohe in the north of Balhae came under the direct control of the Tang in 727, he attacked the Heisui Mohe fearing a pincer attack.
Dae Mun-ye (大門藝), His pro-Tang brother, opposed the military campaign and defected to the Tang. In 732, King Mu ordered a punitive expedition against Tang in present-day Shandong, sending the Balhae navy at the command of Jang Mun-hyu. In the same year, he led troops to Madushan (馬都山) in the vicinity of Shanhaiguan and occupied nearby towns. In 733, Chinese Emperor Xuanzong ordered Dae Mun-ye to attack Balhae, along with forces from Silla, but the attack was unsuccessful and they were repelled.
In 727, Balhae began to dispatch embassies to Japan to avoid international isolation. The king sent an official document to Japan indicating that Balhae recovered the terrain of Goguryeo and succeeded to the culture of Buyeo. Japan, whose relationship with Silla was strained, welcomed them as a revival of Goguryeo.
Dae Muye was succeeded by his son Dae Heummu in 737.