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The Yalu River (), known by Koreans as the Amrok River or Amnok River, is a river on the border between China and North Korea. Together with the Tumen River to its east, and a small portion of Paektu Mountain, the Yalu forms the border between China and North Korea. Its valley became the scene of several military conflicts in the past centuries. The Korean name Amnok (압록,鴨綠) is most likely derived from ancient Koreanic language of Goguryeo. In the record of Goguryeo in Samguk Sagi, the place name, Western Amnok valley (서압록곡,西鴨淥谷) appears, and this is an example of indicating that this was originally a place name used for this river by Goguryeo at that time. There are two theories regarding the origin of Yalu river name. One theory is that the name derived from Yalu ula () in the Manchu language. The Manchu word yalu () means "the boundary between two countries". In Mandarin Chinese, yālù phonetically approximates the original Manchu word, but literally means "duck green", which was said to have been once the color of the river. The other theory is that the river was named after the combination of its two upper branches, which were called "" (Yā or Ap) and "" (Lù or R(or n)ok)", respectively. Revised Romanization of Korean spelled it Amnokgang (amnok.k͈aŋ; "Amnok River") and Revised Romanization of Hangeul spelled it Aprokgang (amnok.k͈aŋ; "Aprok River"). From 2,500 metres above sea level on Paektu Mountain on the China–North Korea border, the river flows south to Hyesan before sweeping 130 km north-west to Linjiang and then returning to a more southerly route for a further 300 km to empty into Korea Bay between Dandong (China) and Sinuiju (North Korea). The bordering Chinese provinces are Jilin and Liaoning. The river is long and receives water from over 30,000 km2 of land. The Yalu's most significant tributaries are the Changjin (), the Hochon (), the Togro () rivers from Korea and the Ai (or Aihe) (璦河) and the Hun (浑江) from China. The river is not easily navigable for most of its length.

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Related concepts (19)

Manchu people

The Manchus (; ) are a Tungusic East Asian ethnic group native to Manchuria in Northeast Asia. They are an officially recognized ethnic minority in China and the people from whom Manchuria derives its name. The Later Jin (1616–1636) and Qing (1636–1912) dynasties of China were established and ruled by the Manchus, who are descended from the Jurchen people who earlier established the Jin dynasty (1115–1234) in northern China. Manchus form the largest branch of the Tungusic peoples and are distributed throughout China, forming the fourth largest ethnic group in the country.

Goguryeo

Goguryeo (37 BC–668 AD) (; ko̞ɡuɾjʌ̹; : high castle; Old Korean: Guryeo) also later known as Goryeo (; ko.ɾjʌ; : high and beautiful; Middle Korean: 고ᇢ롕〮, Gowoyeliᴇ), was a Korean kingdom located in the northern and central parts of the Korean Peninsula and the southern and central parts of modern day Northeast China. At its peak of power, Goguryeo controlled most of the Korean Peninsula, large parts of Manchuria and parts of eastern Mongolia and Inner Mongolia as well as Russia.

Empire of Japan

The Empire of Japan or Japanese Empire, also referred to as Imperial Japan, was the Japanese nation-state that existed from the Meiji Restoration in 1868 until the enactment of the reformed Constitution of Japan in 1947. From 29 August 1910 until 2 September 1945, it administered the naichi (the Japanese archipelago and post-1943 Karafuto) and the gaichi (Korea, Taiwan, Kwantung Leased Territory, and pre-1943 Karafuto). The South Seas Mandate was a single Japanese dependent territory in the name of the League of Nations.