The Liaodong Peninsula (also Liaotung Peninsula, ) is a

peninsula A peninsula (; ) is a landform that extends from a mainland and is surrounded by water on most, but not all of its borders. A peninsula is also sometimes defined as a piece of land bordered by water on three of its sides. Peninsulas exist on all ...

in southern

Liaoning province Liaoning () is a coastal provinces of China, province in Northeast China that is the smallest, southernmost, and most populous province in the region. With its capital at Shenyang, it is located on the northern shore of the Yellow Sea, and i ...

Northeast China Northeast China or Northeastern China () is a geographical region of China, which is often referred to as "Manchuria" or "Inner Manchuria" by surrounding countries and the West. It usually corresponds specifically to the three provinces east of t ...

, and makes up the southwestern coastal half of the

Liaodong The Liaodong Peninsula (also 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 ...

region. It is located between the

mouth In animal anatomy, the mouth, also known as the oral cavity, or in Latin cavum oris, is the opening through which many animals take in food and issue vocal sounds. It is also the cavity lying at the upper end of the alimentary canal, bounded on ...

s of the

Daliao River The Daliao River ( zh, s=大辽河, t=大遼河, p=Dàliáohé, "Great Liao River") is a major river system in eastern Liaoning province of Northeast China, and formerly the main distributary of the lower Liao River until 1958. The Daliao River ...

(the historical lower section of the

Liao River The 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 P ...

) in the west and the

Yalu River The Yalu River, known by Koreans as the Amrok River or Amnok River, is a river on the border between North Korea and China. Together with the Tumen River to its east, and a small portion of Paektu Mountain, the Yalu forms the border between ...

in the east, and encompasses the territories of the whole

sub-provincial city A sub-provincial division () in China is a prefecture-level city governed by a province promoted by half a level. Thus, it is half a level under the provincial level (hence the name sub-provincial) but half a level above the prefecture-level. T ...

Dalian Dalian () is a major sub-provincial port city in Liaoning province, People's Republic of China, and is Liaoning's second largest city (after the provincial capital Shenyang) and the third-most populous city of Northeast China. Located on the ...

and parts of prefectural cities of

Yingkou Yingkou () is a coastal prefecture-level city of central southern Liaoning province, People's Republic of China, on the northeastern shore of Liaodong Bay. It is the third-smallest city in Liaoning with a total area of , and the ninth most populo ...

Anshan Anshan () is an inland prefecture-level city in central-southeast Liaoning province, People's Republic of China, about south of the provincial capital Shenyang. As of the 2020 census, it was Liaoning's third most populous city with a population ...

and

Dandong Dandong (), formerly known as Andong, is a coastal prefecture-level city in southeastern Liaoning province, in the northeastern region of People's Republic of China. It is the largest Chinese border city, facing Sinuiju, North Korea across the ...

. The word "Liaodong" literally means "Liao region's east", referring initially to the

Warring States period The Warring States period () was an era in History of China#Ancient China, ancient Chinese history characterized by warfare, as well as bureaucratic and military reforms and consolidation. It followed the Spring and Autumn period and concluded ...

Yan Yan may refer to: Chinese states * Yan (state) (11th century – 222 BC), a major state in northern China during the Zhou dynasty * Yan (Han dynasty kingdom), first appearing in 206 BC * Yan (Three Kingdoms kingdom), officially claimed indepe ...

commandery In the Middle Ages, a commandery (rarely commandry) was the smallest administrative division of the European landed properties of a military order. It was also the name of the house where the knights of the commandery lived.Anthony Luttrell and G ...

, which encompassed an area from modern Liaoning-

Jilin Jilin (; alternately romanized as Kirin or Chilin) is one of the three provinces of Northeast China. Its capital and largest city is Changchun. Jilin borders North Korea (Rasŏn, North Hamgyong, Ryanggang and Chagang) and Russia (Prim ...

border in the north to the

Chongchon River The Ch'ŏngch'ŏn is a river of North Korea having its source in the Rangrim Mountains of Chagang Province and emptying into the Yellow Sea at Sinanju. The river flows past Myohyang-san and through the city of Anju, South P'yŏngan Province. It ...

on the

Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

in the south, and from just east of the

Qian Mountains Qian Mountains or Qianshan (), a branch of the Changbai Mountains on the China-North Korea border, start from eastern Jilin Province, China, and extend to eastern and southern Liaoning Province, down to Liaodong Peninsula. Some of the prominent mou ...

to a now-disappeared large

wetland A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The ...

between the western banks of middle

and the base of Yiwulü Mountain, historically known as the "Liao

Mire A mire, peatland, or quagmire is a wetland area dominated by living peat-forming plants. Mires arise because of incomplete decomposition of organic matter, usually litter from vegetation, due to water-logging and subsequent anoxia. All types ...

" (遼澤, ''Liáo zé'') roughly in between the modern Xinmin,

Liaozhong Liaozhong District () is one of ten districts of the prefecture-level city of Shenyang, the capital of Liaoning Province, Northeast China. The name of the district literally means "Central Liao ing, referring to its central location within th ...

Tai'an Tai'an () is a prefecture-level city in Western Shandong Province of the People's Republic of China. Centered on Mount Tai, the city borders the provincial capital of Jinan to the north, Zibo to the east, Linyi to the southeast, Liaocheng to ...

, Panshan and Beizhen). The modern usage of "Liaodong" however simply refers to the half of Liaoning province to the left/east bank of the Liao/Daliao River.

Geography

The Liaodong Peninsula lies on the northern shore of the

Yellow Sea The Yellow Sea is a marginal sea of the Western Pacific Ocean located between mainland China and the Korean Peninsula, and can be considered the northwestern part of the East China Sea. It is one of four seas named after common colour terms ...

, dividing the

Liaodong Bay Liaodong Bay () is largest and longest of the three main bays (along with Laizhou Bay to the south and the Bohai Bay to the southwest) of the Bohai Sea, the innermost gulf of the Yellow Sea. Although named after the Liaodong Peninsula (which ...

(the largest of the three bays of the

Bohai Sea The Bohai Sea () is a marginal sea approximately in area on the east coast of Mainland China. It is the northwestern and innermost extension of the Yellow Sea, to which it connects to the east via the Bohai Strait. It has a mean depth of a ...

) to its west from the

Korea Bay The Korea Bay, sometimes the West Korea Bay (; ; or ), is a bight and the northern extension of the Yellow Sea, between the southeastern coastline of China's Liaoning province and the western coastline of North Korea's North Pyongan, South P ...

to its east. It forms the southern part of a mountain belt that continues northward in the

Changbai Mountains The Changbai Mountains (simplified Chinese:长白山; traditional Chinese:長白山) are a major mountain range in Northeast Asia that extends from the Northeast Chinese provinces of Heilongjiang, Jilin and Liaoning, across the border between ...

. The part of the mountain range on the peninsula is known as the Qianshan Mountains, named after Qian Mountain in

, which includes Dahei Mountain in

History

Pre-Han

The Liaodong region was settled since prehistoric times by

Neolithic The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several parts ...

people such as

Xinle culture The Xinle culture (新樂文化) ( 5500– 4800 BC''Archaeology of Asia'', pp.129) was a Neolithic culture in northeast China, found primarily around the lower Liao River on the Liaodong Peninsula in Liaoning. The culture showed evidence of mill ...

. It later came under the rule of the

Gojoseon Gojoseon () also called Joseon (), was the first kingdom on the Korean Peninsula. According to Korean mythology, the kingdom was established by the legendary founder named Dangun. Gojoseon possessed the most advanced culture in the Korean Pen ...

kingdom, which encompassed the northern

and the region southeast of the Liao River. In the late 4th century BC, the expanding Chinese

State of Yan Yan (; Old Chinese pronunciation: ''*'') was an ancient Chinese state during the Zhou dynasty. Its capital was Ji (later known as Yanjing and now Beijing). During the Warring States period, the court was also moved to another capital at Xiadu ...

conquered this region from Gojoseon, and established the

Liaodong Commandery Liaodong Commandery ( zh, 遼東郡) was a commandery in imperial China that existed from the Warring States period to the Northern dynasties. It was located in modern Liaoning, to the east of the Liao River. The commandery was created by the stat ...

Han to Qing

After the fall of the Yan state, the region was taken over by the short-lived

Qin Dynasty The Qin dynasty ( ; zh, c=秦朝, p=Qín cháo, w=), or Ch'in dynasty in Wade–Giles romanization ( zh, c=, p=, w=Ch'in ch'ao), was the first Dynasties in Chinese history, dynasty of Imperial China. Named for its heartland in Qin (state), ...

, and then its prominent successor

Han Dynasty The Han dynasty (, ; ) was an imperial dynasty of China (202 BC – 9 AD, 25–220 AD), established by Liu Bang (Emperor Gao) and ruled by the House of Liu. The dynasty was preceded by the short-lived Qin dynasty (221–207 BC) and a warr ...

. After the Han Dynasty fragmented at the turn of the 3rd century, the region changed hands between various warlord states such as the

Gongsun Yuan Gongsun Yuan () (died September 238Cao Rui's biography in ''Sanguozhi'' indicated that Sima Yi laid siege to Xiangping on the ''bingyin'' day of the 8th month of the 2nd year of the ''Jing'chu'' era. However, there is no ''bingyin'' day in that ...

, the nomadic

Wuhuan The Wuhuan (, <

Eastern Han Chinese

: *''ʔɑ-ɣuɑn'', <

, and

Cao Wei Wei ( Hanzi: 魏; pinyin: ''Wèi'' <

Middle Chinese

: *''ŋjwei^C'' <

, before eventually falling under the reunified

Western Jin dynasty Western may refer to: Places *Western, Nebraska, a village in the US *Western, New York, a town in the US *Western Creek, Tasmania, a locality in Australia *Western Junction, Tasmania, a locality in Australia *Western world, countries that id ...

. However, after the Western Jin fell from the

Uprising of the Five Barbarians The Upheaval of the Five Barbarians also translated as the Rebellion, the Revolt, or the Invasion of the Five Barbarians () is a Chinese expression which refers to a series of rebellions and invasions between 304 and 316 by non-Han peoples, commo ...

and during the subsequent chaotic

Sixteen Kingdoms The Sixteen Kingdoms (), less commonly the Sixteen States, was a chaotic period in Chinese history from AD 304 to 439 when northern China fragmented into a series of short-lived dynastic states. The majority of these states were founded by ...

periods, the region was ruled by

Former Yan The Former Yan (; 337–370) was a dynastic state ruled by the Xianbei during the era of Sixteen Kingdoms in China. Initially, Murong Huang and his son Murong Jun claimed the Jin dynasty-created title "Prince of Yan," but subsequently, in 352, ...

Former Qin The Former Qin, also called Fu Qin (苻秦), (351–394) was a dynastic state of the Sixteen Kingdoms in Chinese history ruled by the Di ethnicity. Founded by Fu Jian (posthumously Emperor Jingming) who originally served under the Later ...

Later Yan Yan, known in historiography as the Later Yan (; 384 – 407 or 409) was a dynastic state of China ruled by the Xianbei people, located in modern-day northeast China, during the era of Sixteen Kingdoms. All rulers of the Later Yan declared them ...

and later

Goguryeo Goguryeo (37 BC–668 AD) ( ) also called Goryeo (), was a Korean kingdom located in the northern and central parts of the Korean Peninsula and the southern and central parts of Northeast China. At its peak of power, Goguryeo controlled most ...

, before being reconquered by the

Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...

. In 698 AD,

Wu Zhou Wu may refer to: States and regions on modern China's territory *Wu (state) (; och, *, italic=yes, links=no), a kingdom during the Spring and Autumn Period 771–476 BCE ** Suzhou or Wu (), its eponymous capital ** Wu County (), a former county ...

's defeat at the

Battle of Tianmenling The Battle of Tianmenling (), or the Battle of Cheonmun-ryeong in Korean (), was a battle fought between Dae Jo-yeong, later founder of Balhae, and Li Kaigu (), a Khitan commander of the Chinese Tang dynasty and Wu Zhou dynasty. After the fall o ...

allowed the newly founded

Balhae Balhae ( ko, 발해, zh, c=渤海, p=Bóhǎi, russian: Бохай, translit=Bokhay, ), also rendered as Bohai, was a multi-ethnic kingdom whose land extends to what is today Northeast China, the Korean Peninsula and the Russian Far East. It wa ...

to rule the region for the next two centuries, before they were supplanted by the Khitan

Liao Dynasty The Liao dynasty (; Khitan: ''Mos Jælud''; ), also known as the Khitan Empire (Khitan: ''Mos diau-d kitai huldʒi gur''), officially the Great Liao (), was an imperial dynasty of China that existed between 916 and 1125, ruled by the Yelü ...

, and followed by the Jin dynasty,

Yuan dynasty The Yuan dynasty (), officially the Great Yuan (; xng, , , literally "Great Yuan State"), was a Mongol-led imperial dynasty of China and a successor state to the Mongol Empire after its division. It was established by Kublai, the fifth ...

Ming dynasty The Ming dynasty (), officially the Great Ming, was an Dynasties in Chinese history, imperial dynasty of China, ruling from 1368 to 1644 following the collapse of the Mongol Empire, Mongol-led Yuan dynasty. The Ming dynasty was the last ort ...

and

Qing dynasty The Qing dynasty ( ), officially the Great Qing,, was a Manchu-led imperial dynasty of China and the last orthodox dynasty in Chinese history. It emerged from the Later Jin dynasty founded by the Jianzhou Jurchens, a Tungusic-speak ...

20th century

Convention of retrocession of the Liatung Peninsula 8 November 1895

The peninsula was an important area of conflict during the

First Sino-Japanese War The First Sino-Japanese War (25 July 1894 – 17 April 1895) was a conflict between China and Japan primarily over influence in Korea. After more than six months of unbroken successes by Japanese land and naval forces and the loss of the po ...

(1894–1895). Defeat precipitated decline in the

which was exploited by

colonial powers Colonialism is a practice or policy of control by one people or power over other people or areas, often by establishing colonies and generally with the aim of economic dominance. In the process of colonisation, colonisers may impose their relig ...

who extracted numerous concessions. The peninsula was

ceded The act of cession is the assignment of property to another entity. In international law it commonly refers to land transferred by treaty. Ballentine's Law Dictionary defines cession as "a surrender; a giving up; a relinquishment of jurisdictio ...

to Japan, along with

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

and

Penghu The Penghu (, Hokkien POJ: ''Phîⁿ-ô͘'' or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, located approximately west from the main island of Taiwan, covering an area ...

, by the

Treaty of Shimonoseki The , also known as the Treaty of Maguan () in China and in the period before and during World War II in Japan, was a treaty signed at the , Shimonoseki, Japan on April 17, 1895, between the Empire of Japan and Qing China, ending the Firs ...

of 17 April 1895. However the ceding of Liaodong peninsula was rescinded after the

Triple Intervention The Tripartite Intervention or was a diplomatic intervention by Russia, Germany, and France on 23 April 1895 over the harsh terms of the Treaty of Shimonoseki imposed by Japan on the Qing dynasty of China that ended the First Sino-Japanese War. ...

of 23 April 1895 by Russia, France and Germany. In the aftermath of this intervention, the Russian government pressured the Qing dynasty to lease Liaodong and the strategically important Lüshunkou (Port Arthur) for use by the Russian Navy. As in the First Sino-Japanese War, the Liaodong peninsula was the scene of major fighting in the

Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...

(1904–1905), including the bloody

Siege of Port Arthur The siege of Port Arthur ( ja, 旅順攻囲戦, ''Ryojun Kōisen''; russian: link=no, Оборона Порт-Артура, ''Oborona Port-Artura'', August 1, 1904 – January 2, 1905) was the longest and most violent land battle of the Russ ...

. As a consequence of the

Treaty of Portsmouth A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal perso ...

(5 September 1905), which ended the Russo-Japanese War, both sides agreed to evacuate Manchuria and return it to China, with the exception of the Liaodong Peninsula leased territory which was transferred to Japan,Article Five:''The Imperial Government of Russia transfer and assign to the Imperial Government of Japan, with the consent of the Government of China, the lease of Port Arthur, Ta-Lien and the adjacent territory and territorial waters, and all rights, privileges and concessions connected with or forming part of such lease (…)'' which was to administer it as the

Kwantung Leased Territory The Kwantung Leased Territory ( ja, 關東州, ''Kantō-shū''; ) was a leased territory of the Empire of Japan in the Liaodong Peninsula from 1905 to 1945. Japan first acquired Kwantung from the Qing Empire in perpetuity in 1895 in the Trea ...

. After Japan lost

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, and the

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

was established in 1949, Liaodong was again under unified Chinese rule, where it has been to this day.

References