Goryeo–Khitan Wars

Goryeo-Khitan Wars
Date 993-1019 Location Northern Korean Peninsula Result Goryeo Dynasty victory
Belligerents
Goryeo Dynasty, Korea	Liao Dynasty, Khitan
Commanders
Seo Hui Gang Jo King Hyeonjong Gang Gam-chan	Emperor Shengzong Xiao Xunning Xiao Baiya
Strength
208,000 (Third Invasion)	800,000 (First Invasion), 400,000 (Second Invasion), 100,000 (Third Invasion) [1]
Casualties and losses
Unknown	90,000+ (Third Invasion)

History of Korea
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The Goryeo-Khitan Wars were a series of 10th- and 11th-century invasions of Korea's Goryeo Dynasty by the Khitan Liao Dynasty near the present-day border between China and North Korea. It resulted in the defeat of Liao Dynasty.

1 Background 2 Goryeo-Khitan relations 3 Liao's expansion 4 First Invasion 5 Second Invasion 6 Third Invasion 7 References 8 External links

During the Three Kingdoms of Korea period, Goguryeo occupied the northern Korean Peninsula and parts of Manchuria. With Goguryeo's fall in 668, Silla unified the Three Kingdoms, while northern parts of Goguryeo territory were briefly occupied by Silla's ally Tang Dynasty China. A former Goguryeo general revived Goguryeo's Manchurian territory as the new kingdom of Balhae.

Right after the fall of Goguryeo, Turkic peoples (called Göktürks) were divided and eventually driven out from most of Central Asia by the Tang Dynasty. Another Turkic tribe, the Uyghurs, replaced the Göktürks but their control was not very strong.

As Balhae, the Uyghur and the Tang Dynasty weakened, the Tungusic Khitan people emerged in the region that is now Inner Mongolia, and began to expand their territory. Following Tang's fall in 907, China experienced a long period of civil war.

In 911, threatened by Khitan expansion, Balhae sought assistance from the declining Silla of the Korean Peninsula. Records stated that Balhae also requested help from Silla's successor dynasty Goryeo during the Later Three Kingdoms.

In 916, the Liao Dynasty was founded by the Khitan chief Yelü Abaoji, replacing the Uyghurs as the dominant power of present-day Mongolia.

On the Korean Peninsula, Silla was succeeded by Goryeo in 918. The Khitan in 926 destroyed Balhae, and many of Balhae's ruling class moved south and joined the newly founded Goryeo Dynasty.

The Khitan took control of 16 Chinese provinces south of the Great Wall for helping the foundation of the short-lived Later Jin Dynasty (936-947), which ruled only a small part of China.

In 922, the Khitan leader Yelü Abaoji sent horses and camels to Goryeo. However, when Balhae fell, Emperor Taejo embraced Balhae refugees and pursued a policy of northern expansion. In 942, the Khitan sent 50 camels to Goryeo, but Taejo refused the gift, exiling the envoy to an island and starving the camels to death.

Succeeding Goryeo rulers continued the anti-Khitan policy. Jeongjong raised an army of 300,000 to defend against the Khitan. Gwangjong built fortresses along the northwest, and aggressively developed present-day Pyongan and Hamgyong.

In 946, the Khitan Liao Dynasty invaded China, in a failed attempt to conquer all of China. Eventually, as the Song Dynasty unified China in 960, internal conflict among Liao royal family members briefly stopped the Khitan goal of Chinese conquest.

In 962, Gwangjong allied with Song China and pursued a northern expansion policy. Additionally, some Balhae refugees had formed a small state called Jeongan-guk in mid-Yalu River region and allied with Song and Goryeo against the Khitan.

The Khitan eventually regained internal stability under the strong leadership of Emperor Shengzong, who sought to counter regional isolation. After conquering Jeongan-guk in 986 and attacking Jurchen tribes in lower Yalu in 991, the Khitans initiated attacks against Goryeo.

Main article: First Goryeo-Khitan War

In 993, the Khitan invaded Goryeo's northwest border with 800,000 troops. The Khitan withdrew and ceded territory to the east of the Yalu River when Goryeo agreed to end its alliance with Song China. However, Goryeo continued to communicate with Song, having strengthened its position by building fortresses in the newly gained northern territories.

Main article: Second Goryeo-Khitan War

The Khitan attacked again during an internal Goryeo power struggle. King Hyeonjong was forced to flee the capital temporarily, but Goryeo repulsed the Khitan attack. Finally, Khitan forces withdrew.

Main article: Third Goryeo-Khitan War

When Goryeo continued to refuse to submit or return the northern territories, the Khitan attacked once more. Goryeo generals, including Gang Gam-chan, were able to inflict heavy losses on the Khitan army in the Battle of Kwiju. The Khitan withdrew without achieving their demands, and the two nations signed a peace treaty.

• Korea Britannica
• Doosan Encyclopedia
• Dongsuh Encyclopedia

• Koryo and the Khitan (1)
• Koryo and the Khitan (2)