Yalu RiverThe 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.
TianjinTianjin (tjEn'dʒɪn; ; Mandarin: AUDzh-Tianjin.oggtian1.jin1), alternately romanized as Tientsin (ˈtjEn'tsɪn), is a municipality and a coastal metropolis in Northern China on the shore of the Bohai Sea. As such, it is not part of a province of China. It is one of the nine national central cities in Mainland China, with a total population of 13,866,009 inhabitants during the 2020 Chinese census.
XianbeiThe Xianbei (ʃjɛnˈbeɪ; ) were most likely a Proto-Mongolic ancient nomadic people that once resided in the eastern Eurasian steppes in what is today Mongolia, Inner Mongolia, and Northeastern China. There are also other strong suggestions that they were a multi-ethnic confederation with Mongolic and Turkic influences. They originated from the Donghu people who splintered into the Wuhuan and Xianbei when they were defeated by the Xiongnu at the end of the third century BC.
Qianlong EmperorThe Qiánlóng Emperor qian2long2 (25 September 1711 - 7 February 1799), also known by his temple name Emperor Gāozōng of Qing, personal name Hongli, was the fifth emperor of the Qing and the fourth Qing emperor to rule over China proper. The fourth son of the Yongzheng Emperor, he reigned officially from 11 October 1735 to 8 February 1796. In 1796, he abdicated in favour of his son, the Jiaqing Emperor, out of filial piety towards his grandfather, the Kangxi Emperor, who ruled for 61 years, so that he not officially usurp him as the longest-reigning emperor.
BalhaeBalhae (Korean: 발해; pa̠ɽɦɛ̝, , Бохай, ), also rendered as Bohai, was a multi-ethnic kingdom established in 698 by Dae Joyeong (Da Zuorong) and originally known as the Kingdom of Jin (震, Zhen) until 713 when its name was changed to Balhae. At its greatest extent it corresponded to what is today Northeast China, the northern half of the Korean Peninsula and the southeastern Russian Far East. Balhae's early history involved a rocky relationship with the Tang dynasty that saw military and political conflict, but by the end of the 8th century the relationship had become cordial and friendly.
Liaodong PeninsulaThe Liaodong or Liaotung Peninsula () is a peninsula in southern Liaoning province in Northeast China, and makes up the southwestern coastal half of the Liaodong region. It is located between the mouths of the Daliao River (the historical lower section of the Liao River) in the west and the Yalu River in the east, and encompasses the territories of the whole sub-provincial city of Dalian and parts of prefectural cities of Yingkou, Anshan and Dandong.
HebeiHebei UKˌhɜː'beɪ or h@'beɪ, UKˈhʌ'beɪ (; alternately Hopeh) is a northern province of China. Hebei is China's sixth most populous province, with over 75 million people. Shijiazhuang is the capital city. The province is 96% Han Chinese, 3% Manchu, 0.8% Hui, and 0.3% Mongol. Three Mandarin dialects are spoken: Jilu Mandarin, Beijing Mandarin and Jin. Hebei borders the provinces of Shanxi to the west, Henan to the south, Shandong to the southeast, Liaoning to the northeast, and the Inner Mongolia Autonomous Region to the north.
Liao RiverThe Liao River () is the principal river in southern Northeast China, and one of the seven main river systems in China. Its name derived from the Liao region, a historical name for southern Manchuria, from which the Liaoning province, Liaodong Peninsula and Liao dynasty also all have derived their names. The river is also popularly known as the "mother river" in Northeast China. Coursing long, the Liao River system drains a catchment basin of over , but its mean discharge is quite small at only about , about one-twentieth that of the Pearl River.
KoreansKoreans are an East Asian ethnic group native to Korea. The majority of Koreans live in the two states of North and South Korea, which are collectively referred to as Korea. As of 2021, an estimated 7.3 million ethnic Koreans resided outside of Korea. Koreans are also an officially recognized ethnic minority in other Asian countries, including China, Japan, Kazakhstan, Russia, and Uzbekistan. Outside of Asia, sizeable Korean communities have formed in Germany, the United Kingdom, France, the United States, Canada, and Oceania.
County-level cityA county-level municipality (), county-level city or county city, formerly known as prefecture-controlled city (1949–1970: ; 1970–1983: ), is a county-level administrative division of the People's Republic of China. County-level cities have judicial but no legislative rights over their own local law and are usually governed by prefecture-level divisions, but a few are governed directly by province-level divisions. A county-level city is a "city" () and "county" () that have been merged into one unified jurisdiction.