The Liaodong or Liaotung Peninsula ( zh, s=辽东半岛, t=遼東半島, p=Liáodōng Bàndǎo) is a

peninsula A peninsula is a landform that extends from a mainland and is only connected to land on one side. Peninsulas exist on each continent. The largest peninsula in the world is the Arabian Peninsula. Etymology The word ''peninsula'' derives , . T ...

in southern

Liaoning province ) , image_skyline = , image_alt = , image_caption = Clockwise: Mukden Palace in Shenyang, Xinghai Square in Dalian, Dalian coast, Yalu River at Dandong , image_map = Liaoning in China (+all claims hatched).svg , ...

Northeast China Northeast China () is a geographical region of China, consisting officially of three provinces Liaoning, Jilin and Heilongjiang. The heartland of the region is the Northeast China Plain, the largest plain in China with an area of over . The regi ...

, and makes up the southwestern coastal half of the Liaodong region. It is located between the

mouth A mouth also referred to as the oral is the body orifice through which many animals ingest food and animal communication#Auditory, vocalize. The body cavity immediately behind the mouth opening, known as the oral cavity (or in Latin), is also t ...

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 Rive ...

(the historical lower section of the Liao River) in the west and the

Yalu River The Yalu 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 valle ...

in the east, and encompasses the territories of the whole

sub-provincial city Strictly speaking, China's legal system neither recognizes the concept of "sub-provincial administrative divisions" () or "sub-provincial cities" () nor provides specific legislation for such designations, and these categories are absent from off ...

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 (after Shenyang ...

and parts of prefectural cities of

Yingkou Yingkou ( zh, s=, t=, p=Yíngkǒu) 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 , a ...

Anshan Anshan ( zh, s=鞍山, p=Ānshān, l=saddle mountain) 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' ...

and

Dandong Dandong ( zh, s=丹东 , t=丹東 , p=Dāndōng; lit. "Red East"), formerly known as Andong, is a coastal prefecture-level city in southeastern Liaoning province, in the northeastern region of the People's Republic of China. It is the largest ...

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

Warring States period The Warring States period in history of China, Chinese history (221 BC) comprises the final two and a half centuries of the Zhou dynasty (256 BC), which were characterized by frequent warfare, bureaucratic and military reforms, and ...

Yan

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 ...

Liaodong The Liaodong or Liaotung Peninsula ( zh, s=辽东半岛, t=遼東半島, p=Liáodōng Bàndǎo) is a peninsula in southern Liaoning province in Northeast China, and makes up the southwestern coastal half of the Liaodong region. It is located ...

, which encompassed an area from modern Liaoning-

Jilin ) , image_skyline = Changbaishan Tianchi from western rim.jpg , image_alt = , image_caption = View of Heaven Lake , image_map = Jilin in China (+all claims hatched).svg , mapsize = 275px , map_al ...

border in the north to the

Chongchon River The Ch'ŏngch'ŏn is a river in 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 Provi ...

on the

Korean Peninsula Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically divided at or near the 38th parallel between North Korea (Dem ...

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 m ...

to a now-disappeared large

wetland A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...

between the western banks of middle Liao River and the base of

Yiwulü Mountain Yiwulü Mountain () or simply Lü Mountain () is located in the western part of Beizhen City, in Jinzhou City, Liaoning Province. It is one of the Three Greatest Mountains of Northeast China, together with Qianshan and Mount Changbai. Its h ...

, historically known as the "Liao

Mire A peatland is a type of wetland whose soils consist of Soil organic matter, organic matter from decaying plants, forming layers of peat. Peatlands arise because of incomplete decomposition of organic matter, usually litter from vegetation, du ...

" (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 Liaoing, referring to its central location within the p ...

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 ...

, Panshan and

Beizhen Beizhen () is a city in west-central Liaoning province of Northeast China. It is under the administration of Jinzhou City. History In 1123, the Jin Dynasty set Guangning County () in nowadays Beizhen. In Ming Dynasty, the town of Guangning beca ...

). 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, also known as the North 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. Names It is one of four ...

, dividing the

Liaodong Bay Liaodong Bay is largest and longest of the three main bays of the Bohai Sea, the innermost gulf of the Yellow Sea. The other two bays are Laizhou Bay to the south and Bohai Bay to the southwest. Although named after the Liaodong Peninsula (wh ...

(the largest of the three bays of the

Bohai Sea The Bohai Sea ( zh, c=渤海, p=Bó Hǎi, l=Bo Sea) is a gulf/inland 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 via the Bohai Strait. It ...

) to its west from the

Korea Bay Korea(n) Bay, sometimes West Korea(n) 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 () are a major mountain range in East Asia that extends from the Northeast Chinese provinces of Heilongjiang, Jilin and Liaoning, across the China-North Korea border (41°41' to 42°51'N; 127°43' to 128°16'E), to the Nor ...

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

Qian Mountain 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 m ...

, which includes Dahei Mountain in

History

Pre-Han

The Liaodong region was settled since prehistoric times by

Neolithic The Neolithic or New Stone Age (from Ancient Greek, Greek 'new' and 'stone') is an archaeological period, the final division of the Stone Age in Mesopotamia, Asia, Europe and Africa (c. 10,000 BCE to c. 2,000 BCE). It saw the Neolithic Revo ...

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 mi ...

. It later came under the rule of the

Gojoseon Gojoseon (; ), contemporary name Joseon (; ), was the first kingdom on the Korea, Korean Peninsula. According to Korean mythology, the kingdom was established by the legendary king Dangun. Gojoseon possessed the most advanced culture in th ...

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 Xia ...

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 sta ...

Han to Qing

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

Qin dynasty The Qin dynasty ( ) was the first Dynasties of China, imperial dynasty of China. It is named for its progenitor state of Qin, a fief of the confederal Zhou dynasty (256 BC). Beginning in 230 BC, the Qin under King Ying Zheng enga ...

, and then its prominent successor

Han dynasty The Han dynasty was an Dynasties of China, imperial dynasty of China (202 BC9 AD, 25–220 AD) established by Liu Bang and ruled by the House of Liu. The dynasty was preceded by the short-lived Qin dynasty (221–206 BC ...

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

Wuhuan The Wuhuan (, < Eastern Han Chinese: *''ʔɑ-ɣuɑn'', <

Cao Wei Wei () was one of the major Dynasties in Chinese history, dynastic states in China during the Three Kingdoms period. The state was established in 220 by Cao Pi based upon the foundations laid by his father Cao Cao during the end of the Han dy ...

, 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 ...

. However, after the Western Jin fell from the

Uprising of the Five Barbarians The Upheaval of the Five Barbarians also translated as the Uprising, Rebellion or the Revolt of the Five Barbarians () is a Chinese expression used to refer to a chaotic period of warfare from 304 to 316 during the fall of the Western Jin dynas ...

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 b ...

periods, the region was ruled by

Former Yan Yan, known in historiography as the Former Yan (; 337–370), was a dynastic state of China ruled by the Murong clan of the Xianbei during the Sixteen Kingdoms period. From Liaoning, the Former Yan later conquered and ruled over Hebei, Shaanxi, ...

Former Qin Qin, known as the Former Qin and Fu Qin (苻秦) in historiography, was a Dynasties of China, dynastic state of China ruled by the Fu (Pu) clan of the Di (Five Barbarians), Di peoples during the Sixteen Kingdoms period. Founded in the wake of ...

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 during the era of Sixteen Kingdoms. The prefix "Later" to distinguish them from the Former Yan before them and othe ...

and later

Goguryeo Goguryeo (37 BC – 668 AD) (; ; Old Korean: Guryeo) also later known as Goryeo (; ; Middle Korean: 고ᇢ롕〮, ''kwòwlyéy''), was a Korean kingdom which was located on the northern and central parts of the Korea, Korean Peninsula an ...

, before being reconquered by the

Tang dynasty The Tang dynasty (, ; zh, c=唐朝), or the Tang Empire, was an Dynasties of China, imperial dynasty of China that ruled from 618 to 907, with an Wu Zhou, interregnum between 690 and 705. It was preceded by the Sui dynasty and followed ...

. In 698 AD,

Wu Zhou Zhou, known in historiography as the Wu Zhou (), was a short-lived Chinese imperial dynasty that existed between 690 and 705. The dynasty consisted of the reign of one empress regnant, Wu Zhao (Wu Zetian), who usurped the throne of her son, ...

's defeat at the Battle of Tianmenling allowed the newly founded

Balhae Balhae,, , ) also rendered as Bohai or Bohea, and called Jin (; ) early on, was a multiethnic kingdom established in 698 by Dae Joyeong (Da Zuorong). It was originally known as the Kingdom of Jin (震, Zhen) until 713 when its name was changed ...

to rule the region for the next two centuries, before they were supplanted by the Khitan Liao dynasty, and followed by the

Jin dynasty Jin may refer to: States Jìn 晉 * Jin (Chinese state) (晉國), major state of the Zhou dynasty, existing from the 11th century BC to 376 BC * Jin dynasty (266–420) (晉朝), also known as Liang Jin and Sima Jin * Jin (Later Tang precursor) ...

Yuan dynasty The Yuan dynasty ( ; zh, c=元朝, p=Yuáncháo), officially the Great Yuan (; Mongolian language, Mongolian: , , literally 'Great Yuan State'), was a Mongol-led imperial dynasty of China and a successor state to the Mongol Empire after Div ...

Ming dynasty The Ming dynasty, officially the Great Ming, was an Dynasties of China, imperial dynasty of China that ruled from 1368 to 1644, following the collapse of the Mongol Empire, Mongol-led Yuan dynasty. The Ming was the last imperial dynasty of ...

and

Qing dynasty The Qing dynasty ( ), officially the Great Qing, was a Manchu-led Dynasties of China, imperial dynasty of China and an early modern empire in East Asia. The last imperial dynasty in Chinese history, the Qing dynasty was preceded by the ...

. Liaodong was the primary destination of

Shandong Shandong is a coastal Provinces of China, province in East China. Shandong has played a major role in Chinese history since the beginning of Chinese civilization along the lower reaches of the Yellow River. It has served as a pivotal cultural ...

and

Hebei Hebei is a Provinces of China, province in North China. It is China's List of Chinese administrative divisions by population, sixth-most populous province, with a population of over 75 million people. Shijiazhuang is the capital city. It bor ...

refugees from the Northern Chinese Famine of 1876-1879. A prior Qing prohibition on immigration to

was officially relaxed, marking the start of

Chuang Guandong ''Chuang Guandong'' (; IPA: ; literally "Crashing into Guandong" with ''Guandong'' being an older name for Manchuria) is descriptive of the rush of Han people into Manchuria, mainly from the Shandong Peninsula and Zhili, during the hundred-year ...

. In 1876, Chinese officials told the Customs commissioner at Yingkou that 600,000 people had landed on the Liaodong Peninsula. Government efforts to keep Manchu heartlands free of Chinese settlement resulted in a concentration of refugees in Liaodong.

19th and 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 189417 April 1895), or the First China–Japan War, was a conflict between the Qing dynasty of China and the Empire of Japan primarily over influence in Joseon, Korea. In Chinese it is commonly known as th ...

(1894–1895). Defeat precipitated decline in the

which was exploited by

colonial powers Colonialism is the control of another territory, natural resources and people by a foreign group. Colonizers control the political and tribal power of the colonised territory. While frequently an imperialist project, colonialism can also take ...

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 jurisdicti ...

to Japan, along with

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

and

Penghu The Penghu ( , Hokkien Pe̍h-ōe-jī, POJ: ''Phîⁿ-ô͘'' or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, about west of the main island of Taiwan across the Penghu Ch ...

, by the

Treaty of Shimonoseki The , also known as the Treaty of Maguan () in China or the in Japan, was signed at the hotel in Shimonoseki, Japan, on April 17, 1895, between the Empire of Japan and Qing China. It was a treaty that ended the First Sino-Japanese War, ...

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

Triple Intervention The Triple Intervention or was a diplomatic intervention by Russia, Germany, and France on 23 April 1895 over the terms of the Treaty of Shimonoseki, imposed by Japan on Qing China at the end of the First Sino-Japanese War. The treaty, signed on ...

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 (8 February 1904 – 5 September 1905) was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and the Korean Empire. The major land battles of the war were fought on the ...

(1904–1905), including the bloody

Siege of Port Arthur The siege of Port Arthur (, ''Ryojun Kōisen''; , ''Oborona Port-Artura'', August 1, 1904 – January 2, 1905) was the longest and most violent land battle of the Russo-Japanese War. Port Arthur, the deep-water port and Russian naval base ...

. As a consequence of the

Treaty of Portsmouth The Treaty of Portsmouth is a treaty that formally ended the 1904–1905 Russo-Japanese War. It was signed on September 5, 1905, after negotiations from August 6 to 30, at the Portsmouth Naval Shipyard in Kittery, Maine, United States. U.S. P ...

(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 () was a Concessions in China, leased territory of the Empire of Japan in the Liaodong Peninsula from 1905 to 1945. Japan first acquired Kwantung from the Qing dynasty, Qing Empire in perpetuity in 1895 in the Tre ...

. After Japan lost

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

, and the

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

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

References