Goguryeo (traditional dates 37 BC – AD 668) was a kingdom in the northern Korean Peninsula and the northeast part of today's China. It was one of the Three Kingdoms of Korea, along with Baekje and Silla.
The modern English name "Korea" derives from the Goryeo Dynasty (935-1392), which in turn took its name from "Goguryeo" or "Koguryo". See "Names of Korea."
Goryeo-era records say it was founded in 37 BC by Jumong, although it possibly date back to the 2nd century BC, around the time of Gojoseon's fall. Other small states in former Gojoseon territory included Buyeo, Okjeo and Dongye, all of which were later conquered by Goguryeo. It grew into a major regional power of East Asia until defeated by the Silla-Tang alliance in 668, resulting in Unified Silla and Balhae states of Korea.
Another possible date for Goguryeo's founding is the 2nd century BC. * In the History of Tang, it is recorded that Emperor Taizong of Tang refers to Goguryeo's history as being some 900 years old, putting its founding in the 2nd century BC. In 75 BC, a local confederacy which may have included Goguryeo drove China's Xuantu commandery west from the Yalu River valley.
The Goguryeo people originated from Bukbuyeo, integrating with existing chiefdoms. In the aftermath of the disintegration of Gojoseon and Buyeo, various small tribes coalesced into five chiefdoms along the banks of the Yalu River, and these five were eventually led by the king of Goguryeo.
He is said to be descended from Hae Mosu, a son of the Sun-god (hae in modern Korean means sun). However, records conflict on whether he was the son or 4th generation descendent Hae Mosu. He is said to have left Buyeo for Jolbon Buyeo, married the daughter of its king, and became king himself, founding Goguryeo. "Jolbon Buyeo" thus seems to have been a branch of Buyeo that predates Jumong's founding of Goguryeo.
Goguryeo maintained close early relationship with Dongbuyeo, another branch of Buyeo, whose king is said to be Jumong's brother (and thus also descended from Haemosu), until it was absorbed into Goguryeo. Jumong is recorded to have conquered the states of Biryu (비류국, 沸流國) in 36 BC, Haeng-in (행인국, 荇人國) in 33 BCE, and North Okjeo in 28 BC.
Goguryeo became fully independent of the Han commanderies and began large-scale, organized attacks against the Chinese, as well as conquering neighboring statelets such as Okjeo and Dongye. New laws regulated peasants and the aristocracy, as tribal leaders continued to be absorbed into the central aristocracy. Royal succession changed from fraternal to patrilineal, strengthening the royal court.
The expansion met temporary setbacks when in 342, the Xianbei (鮮卑) tribe of Former Yan state (前燕) attacked Goguryeo’s capital, and in 371, King Geunchogo of Baekje sacked Goguryeo’s largest city, Pyongyang, and killed King Gogukwon of Goguryeo in battle.
Turning to domestic stability and the unification of various conquered tribes, Sosurim of Goguryeo proclaimed new laws, embraced Buddhism as the national religion in 372, and established a national educational institute called the Daehak (대학, 大學). By 391, the kingdom's rulers had achieved undisputed control of all of northeastern China east of the Liao River as well as of the northern and central regions of the Korean Peninsula.
King Jangsu, ascending to the throne in 413, strengthened relations with North and South Cho kingdoms of China, while moving the capital to Pyongyang in 427, evidence of the intensifying rivalries between it and the other two Korean kingdoms of Baekje and Silla to its south.
During this period, Goguryeo territory included three fourths of the Korean peninsula, including today's Seoul, and most of the northeast part of China and the Russian maritime province. Goguryeo considered itself the center of the world, and founder Jumong the son of Heaven. The title of the ruler, Taewang, while literally translated as the Greatest of the Kings, is often translated to mean Emperor.
In the late 5th century, it absorbed Bukbuyeo and more Mohe and Khitan tribes, and competed with Northern Wei in the north, and continued its strong influence over Silla.
As civil war continued among feudal lords over royal succession, in 551, Baekje and Silla allied to attack Goguryeo from the south. Goguryeo fought back to reclaim the Seoul region that had been taken by Silla, and maneuvered to effectively sever the Silla-Baekje alliance.
The campaign of 612, in which Sui mobilised at least 1,138,000 combat troops, also provided Goguryeo, and modern Korea, with one of its great national heros: the general Eulji Mundeok, who led the Sui troops into a trap outside of Pyongyang, ensuring their retreat during which they were decimated. Chinese histories record that of the over 300,000 Sui troops that crossed into Goguryeo in 612, less than 3,000 returned to China.
A combination of bad weather and flawed strategy meant Tang's first attempts under the personal leadership of Emperor Gaozu proved inconclusive.
Under Gaozu's successor Taizong, Tang forged an alliance with Goguryeo's rival Silla after defeating Goguryeo's western ally, the Gokturks. This, combined with Goguryeo's increasing political instability following the 642 murder of its king Yeongnyu at the hands of the military strongman Yeon Gaesomun, proved the kingdom's undoing.
When Yeon Gaesomun rejected negotiations with Silla, Silla was forced to look to its ties with Tang. In 645, Tang led an attack against Goguryeo. Goguryeo was able to repel the attack at Ansiseong, but the attacks continued, weakening Goguryeo’s defenses.
Goguryo's ally in the southwest, Baekje, fell to the Silla-Tang alliance in 660; the victorious allies continued their assault on Goguryeo for the next eight years and eventually vanquished the weary kingdom, which had been suffering from a series of famines and internal strife. In 666 (though dates vary from 664-666), Yeon Gaesomun died and civil war ensued between his three sons. This greatly contributed to the kingdom's weakness as it faced its gravest challenge. Goguryeo was finally overthrown by the Silla-Tang alliance in 668.
Silla thus unified Korea in 668, but the kingdom's reliance on China's Tang Dynasty had its price. Eventually Silla had to forcibly resist the imposition of Chinese rule over the entire peninsula, which Silla's rulers did, but their strength did not extend beyond the Taedong River. Following Goguryeo's fall, some of its populace relocated north to form a part of the future kingdom of Balhae. Tang initially attempted to set up a military occupational government in Goguryeo's stead, but this did not last. The southern portion of the erstwhile Goguryeo territory was claimed by Silla, while the rest was succeeded by the kingdom of Balhae.
In her diplomatic language with Japan, Balhae, established in 698, claimed to be a successor state to Goguryeo. In the early 10th century, Taebong (also called Hu-Goguryeo ("Later Goguryeo")), which briefly rose in rebellion against Silla, also claimed to be a successor to Goguryeo, as did Goryeo, the state that succeeded Silla to rule a unified Korean peninsula.
Goguryeo art, preserved largely in tomb paintings, is noted for the vigor of its imagery. It absorbed influences from the northern dynasties of China.
Cultural vestiges of Goguryeo may be found in modern Korean culture, for example, Ondol, Goguryeo's unique floor heating system. A modernized version can be found in the floor of every modern house in Korea.
Striking similarities between Baekje and Goguryeo can also be found, which is consistent with the legends that describe Baekje being founded by the sons of Goguryeo's founder. The Goguryeo names for government posts are mostly similar to those of Baekje and Silla.
Similarities in certain vocabulary with Old Japanese have been noted as well. * Some linguists propose the so-called "Buyeo languages" family that includes the languages of Buyeo, Goguryeo, Baekje, and Old Japanese. Chinese records suggest that the languages of Goguryeo, Buyeo, East Okjeo, and Gojoseon were similar, while Goguryeo language differed significantly from that of Malgal (Mohe).
Some words of Goguryeo origin can be found in the old Korean language (early 10th-late 14th centuries) but most were replaced by Silla-originated ones before long.
See also: Korean language
The accepted position among Chinese government historians therefore became that the history of Goguryeo before the capital was transferred to Pyongyang in the Korean Peninsula, or even until its collapse, was to be considered part of Chinese history, a regional power of China. The Chinese government launched a 20-billion-yuan (2.4 billion US dollars) project dealing with China's Northeast in 2002, rewriting history textbooks and restoring important Goguryeo sites in China. This was followed by protests from scholars in South Korea. In 2004 this dispute threatened to lead to diplomatic disputes between China and South Korea, although all of the governments involved seem to exhibit no desire to see the issue damage relations. The existence of a sizeable ethnic Korean minority in the former Goguryeo territories in China, the issue of political influence over North Korea in the case of a collapse of the regime, and some nervousness over the rapidly increasing power of China contributed to the tensions.
See also: Gando Convention
Former countries in Asia | Goguryeo | History of Korea | 1st millennium BC establishments | 668 disestablishments
Goguryeo | Kogurjo | Koguryŏ | 고구려 | Lijst van koningen van Koguryo | 高句麗 | Koguryŏ | Koguryo | Когурё | Koguryo | 高句丽
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"Goguryeo".
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