Relations between China and Korea

Korea,  map
Map of Korea. Image by Yonghokim available under a Creative Commons License

Korea forms a mountainous peninsula, the western coastline is part of the shallow Yellow Sea that forms an enclosed bay in northern China. While the mountainous eastern coast is close to the islands of Japan. Korea's position between continental China and Japan has strongly influenced its history from the earliest times. It has often been the victim of foreign involvement and to understand today's tensions over divided Korea it is necessary to follow the history back to earliest times.

NOTE: Our look at the country of Korea is only in the context of its relations with China. A full description of Korea is beyond the scope of this web site.

The natural northern border of the Korean peninsula with China is the Yalu River, but reflecting times of a larger Korean nation many millions of ethnic Koreans live on the Chinese side of the border in Liaoning and Jilin provinces. The northern border then heads into the Changbai mountains and passes through the impressive Tianchi lake. This is an ancient volcano (last erupting 1702) and is often used as the geographical emblem for North Korea. The crater lake is very deep and is believed to harbor a Loch Ness type monster.

The climate is generally cold and dry in the north but with summer rains in the south. Agriculture only allows for onions, cabbage, barley and buckwheat in the cold north. The northern mountains are rich in mineral deposits including gold, iron and coal. The country is densely populated and the Korean people are a distinct race (Korean-Manchu-Mongol group) with features distinguishing them from Chinese and Japanese. Long contact with China culture has brought in considerable influence in areas of philosophy, government, ritual and religion. The Korean written language has strong roots in Chinese (hanja characters ) just like Japanese but the language is of independent origin. There are many loan words from Han Chinese with native Korean core characters. The root language is however independent – it is not in the Sino-Tibetan group of languages.


Jilin, Changbai, lake, view
Crater lake, Tian chi on the border of China and North Korea
Korea,  Bronze age
Pot from Bronze age, found in Jinju, Korea. Taken at the National Museum of Korea. Image by Good friend100 available under a Creative Commons License

Early History

Archaeological excavation have shown a distinct Neolithic culture in Korea from about 3000 BCE at Chul'mon with signs of very early agriculture and later at Mumun where rice agriculture had already started. Korea began making silk, and cultivating silkworms from about 1000BCE. In about 300BCE some Koreans moved to Japan and colonized it setting up the Yayoi culture there.

Korea,  Japam
Japanese Empress Jingu (169-269CE) setting foot in Korea. Painting by 1880 Yoshitoshi . Available under a Creative Commons License

Chinese Han conquest

When Emperor Wudi founded the Han dynasty he soon set about expanding China's borders. In 108BCE Northern Korea was integrated into Han as Chaoxian and divided into four provinces together with parts of Manchuria. There are stone sculptures of Han style in Korea and extensive colonies of Han Chinese were founded that retained Chinese culture to the 4th century before being gradually assimilated into the Korean population. Population grew substantially. The Chinese at Lolang (now called Pyongyang) numbered as many as 300,000 and the area was under Chinese control until 313CE. An excavation of the extensive Lolang necropolis produced fine Han bronze, lacquerware dating to 108BCE The wholesale export of Chinese culture took place to Korea and then on to Japan.

Korea, Buddha, gold
Seated Golden Buddha from Guhwang-dong, Gyeongju, Korea. Image by National Museum of Korea available under a Creative Commons License

Sui campaign

After the collapse of the Han dynasty Korea became independent again. For over four hundred years it was left alone until the Sui dynasty unified China. Sui Emperor Yangdi did not accept the independence of Goguoryo (a.k.a. Koguryo) (covering the rough area of N. Korea and Liaoning) and began to meddle in Korean affairs with perennial fighting with the Korean three kingdoms during four campaigns 598-614 but all of these proved inconclusive as the Koreans were able to withstand long sieges in their cities. The Chinese could only fight during spring - it was too cold in winter and the long supply chains proved disastrous in cost. The Sui Emperor was too preoccupied with the ruinous campaign in Korea to deal with flooding closer to home and the dynasty soon fell.

In the following Tang dynasty there was Korean resistance until 668 when Pyongyang was occupied by Tang forces. China backed the Silla kingdom against Parkche and Goguoryo kingdoms and in 688 there was a brief Korean unification in the Chinese style. The culture and institutions mirrored that of China for a long time thereafter. For example, by the ninth century tea drinking had become common in Korea. Buddhism became the main religion. After the Tang fell the Northern Song Liao kingdom controlled Korea and maintained extensive trade links with China as well as Japan.

Mongol control

In 1274 when the Mongols had subjugated the northern Chinese kingdoms of Jin and Liao there was a large scale attempt to invade Japan. Joint Korean and Mongol forces (25,000 Mongols and Koreans) made the attempt and failed. Later in 1281 a larger scale attempt (40,000 Mongols and Koreans, 100,000 Chinese) also failed. This is the time of the famous Kamikaze 'divine wind' that wrecked the huge Mongol navy and kept Japan independent.

Ming semi-independence

After the fall of the Mongols, the Ming dynasty took control of Korea as a vassal state. Paper money that had already been in widespread use in China now came to be used in Korea.

The Korean kingdom then founded the Joseon dynasty 1392-1897 and was known as the ‘Hermit Kingdom’ and from the Chinese characters for this dynasty : Cháo xiǎn this became translated into English as ‘morning calm’ and so became known as the ‘The Land of the Morning Calm’. Korea's new found sense of independence moved it away from slavishly adopting Chinese culture, this was evident when in 1443 Korea adopted 24 phonetic letters (Hangul) to replace the Chinese script of thousands of characters.

Korea, robe, emperor
Robe of Korean Emperor during Joseon Dynasty, Gonryongpo (곤룡포). Image by Mar del Este available under a Creative Commons License

In 1592 Korea was invaded by a Japanese army of 200,000 which occupied Pusan, Seoul and Pyongyang. In January 1593 the Chinese counter-attacked over Yalu river and pushed back the Japanese. A Korean admiral developed turtle boats with curved tops to deflect missiles and managed to hold back Japanese. However the large but ineffective Chinese army ground to a stalemate until the expansionist Japanese emperor died 1596 and the invasion force left Korea.

The next conquest of Korea followed soon afterwards, the Manchu leader Abahai (1592-1643) conquered Korea in 1637 ahead of the later Manchu conquest of China. Korea remained a Manchu protectorate with the Joseon dynasty left to rule the kingdom. A period of of two hundred years of peace ensued. The next conquests of Korea related to foreign powers beginning to exert power on China's outer fringes.

Korea, pavilion
A view of Changdeokgung in the neighborhood of Waryong-dong, Jongno-gu, Seoul, South Korea. Image by Alain Seguin available under a Creative Commons License

Japanese Threat

Britain as the only world super-power (1840-1920) wanted control of Yangzi valley but was somewhat over-stretched with campaigns and disputes in Sudan, Ethiopia and South Africa. Britain's policy of allowing free-for-all trade with China came under threat when France and Russia adopted policies of colonization in Easrt Asia. As the U.K. had no forces to commit to northern China she funneled resources to her ally Japan to control Russian expansion into Manchuria and Korea.

In the period 1875-80 Japan was more or less in control of Korea (a treaty was signed in 1876). However a Japanese move to capture the Korean royal family was thwarted by Yuan Shikai in December 1884.

Chinese moves to protect Korea did not stop further Japanese expansion, in 1894 Japan invaded Korea and China responded by attacking the Japanese force. In the first Sino-Japanese war 1894-5 China suffered a humiliating defeat, and this time by an Asiatic rather than European power. Japan, with British backing, then moved to invade Shandong. This had become a battle between Russia and Japan to take Chinese territory in the north. So as well as the whole of Korea, Japan took Taiwan, Shandong peninsula, Liaodong peninsula and the Pescadores islands .

This land grab by Japan was opposed by three powerful European nations (Germany, Russia and France) and they intervened in the 'Triple Intervention' to force Japan to give back Liaodong peninsula (effectively to Russia). In all this confusion Korea became briefly 'independent' 1895-1910 but under strong Japanese influence.

Then came the Russo-Japanese War (began 8/2/1904) when Port Arthur at tip of Liaodong peninsula was given to Russia. Japan as a formal ally of the U.K. (1902) retook Liaodong. This was because Britain wanted to stop Russia from gaining access to a seaport on the Yellow Sea. The U.S. brokered a peace deal as a result in September 1905 giving Japan rights to develop Manchuria. But this deal did not hold for long, in 1910 Japan invaded Korea and ruled it as part of its expanding empire.

Second World War (1939-45)

During the war Korea remained firmly in the hands of Japan which now controlled neighboring Manchuria. Allied powers at the Cairo Conference fail to agree what to do with Korea on an Allied victory, a protectorate was considered under (the unlikely) joint trusteeship of the USSR and USA. When Russia declared war on Japan in 1945 US quickly proposed the 38th parallel as a line of division of control. USSR surprisingly accept this division, the US side did not realize that back in 1910 this had been the suggested border between Russian and Japanese controlled Korea. The agreement gave the USSR access to warm water ports and firm control over Manchuria. There is no historical justification for dividing the country in this way, it is an arbitrary line on the map, drawn up without Korean agreement or even involvement.

With allied victory in 1945 the U.S. was faced by Communist governments in China, Russia, N. Korea, Mongolia all under the leadership of Russia. Its toehold of control in South Korea looked vulnerable.

Korea, Korean war
A gun crew from Company "A", 90th Field Artillery Battalion, 24th U.S. Infantry Division, fires a 155-mm howitzer at Communist positions in the Kojongchon sector, eight miles above the 38th Parallel. 3 June 1951. Korea. Available under a Creative Commons License

Korean War

North KoreaSouth Korea

The arbitrary division of Korea, imposed by foreign powers far away was not accepted by the Korean people just like as in the division of Vietnam and Germany.

In June 1950 northern Korean forces invaded the south. The U.S. received full U.N. backing to defend the south, so it was mainly a combined U.S. and U.K. Commonwealth force that moved into South Korea. The forces pushed the north Koreans back past the 38th Parallel and nearly to the border with China.

China had legitimate fears that the forces could then advance into Manchuria and northern China. U.S. General MacArthur advocated unification of Korea and a possible attack on China, however Truman did not share this view and dismissed him, Truman also decided that nuclear weapons would not be used in this conflict. The USSR (Russia) would have been expected to have supported North Korea. It seems that there was no Russian appetite for a direct confrontation with the US and indeed Russia withheld air support for N. Korea at this crucial time.

Zhou Enlai warned that China would not allow its border to be threatened. China trained up 250,000 ‘Peoples Volunteers’ in secret (it could not risk the ‘official’ Chinese army becoming involved in a wider China-U.S. war) and on the night of 26th November 1950 they attacked the U.N. forces. By December 25th the combined N. Korean and Chinese force had crossed 38th parallel and taken the southern capital Seoul. The US was taken aback by this success against a modern highly trained army and this event probably prevented a wider war against China. General Peng Dehuai was given control and the war became bogged down, the Chinese made huge losses (50% of troops including one of Mao's own sons) with little gain. By June 1951 the attacks had petered out and Russia suggested ceasefire talks with the 38th Parallel as the border. It took over two years to negotiate a ceasefire while sporadic attacks rumbling on.

Aftermath

After the end of main hostilities, the Sino-Soviet split occurred making China the main player in North Korean politics. The 1950s and 60s was a period of Chinese isolationism there was a continuing fear of a Chiang Kaishek invasion backed by U.S. forces.

With Kim Il-Sung , a strong military leader, installed at Pyongyang, China felt that Korea was no longer a threat and China signed a pact with N. Korea to come to its aid if attacked. Tensions eased after the Nixon rapprochement of 1972 and China has built friendly relations with S. Korea. With significant U.S. aid South Korea prospered and became one of the Asian Tigers with an economic boom. It has been capital from South Korean investors that has helped fuel Chinese economic growth particularly in Shandong province. An immense tunnel under the Yellow Sea from Korea to Shandong has been proposed as well as a tunnel to Japan. Substantial trade with N. Korea over the Yalu river began to build up. Chinese backed development in the Tumen Development Zone has encouraged investment in the border region.

Korea,  Seoul, night, street
Signs and neon lights in en:Seoul, South Korea (September 2004). Photo by Peter Rimar. Image by Chitrapa available under a Creative Commons License

China and Korea today

China now has strong links with both North and South Korea, and an interest in seeing a peaceful and equitable settlement on her doorstep. A divided Korea is seen as the least worse option for China, as unification could bring a hostile U.S. backed government to China's border. Although North Korea is an unhelpful neighbor with its nuclear ambitions and military dictatorship China is seen as the one power that can exert pressure on President Kim Jong Un. So China continues to be a somewhat unenthusiastic friend of N. Korea hoping for widespread reform but wants it to remain independent from the South.

The real losers are the Korean people. After thousands of years of conflict and only very brief periods of self government they continue to be a pushed around by hostile, external powers. It is hard to see how the present border that divides not just the land but families will remain in the long term, there is too strong a feeling of Korean national identity.

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Citation information for this page : Chinasage, 'History of relations between China and Korea', last updated 5 Mar 2018, Web, http://www.chinasage.info/korea.htm.

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