Lang Son
Encyclopedia
Lạng Sơn sometimes Langson, is a city in far northern Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

, is the capital of Lang Son province
Lạng Sơn Province
Lạng Sơn is a province in far northern Vietnam, bordering Guangxi province in China. Its capital is also called Lang Son, which is a strategically important town at the border with China and is northeast of Hanoi connected by rail and road...

. It is accessible by road and rail from Hanoi
Hanoi
Hanoi , is the capital of Vietnam and the country's second largest city. Its population in 2009 was estimated at 2.6 million for urban districts, 6.5 million for the metropolitan jurisdiction. From 1010 until 1802, it was the most important political centre of Vietnam...

, the Vietnamese capital, and it is the northernmost point on National Road 1A.

History

Qin Shi Huang
Qin Shi Huang
Qin Shi Huang , personal name Ying Zheng , was king of the Chinese State of Qin from 246 BC to 221 BC during the Warring States Period. He became the first emperor of a unified China in 221 BC...

 orders general Ren Xiao , commanding 200,000 troops occupy northern Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 in 214 BCE, Lang Son is the southernest city in Qin Dynasty
Qin Dynasty
The Qin Dynasty was the first imperial dynasty of China, lasting from 221 to 207 BC. The Qin state derived its name from its heartland of Qin, in modern-day Shaanxi. The strength of the Qin state was greatly increased by the legalist reforms of Shang Yang in the 4th century BC, during the Warring...

.

Serving due to its geography as Vietnam's gateway to China, the city and its ancient citadel have been in the path of many invasions, and were the site of three French defeats during the colonial era. Occupied by Qing forces during the military buildup that preceded the Sino-French War
Sino-French War
The Sino–French War was a limited conflict fought between August 1884 and April 1885 to decide whether France should replace China in control of Tonkin . As the French achieved their war aims, they are usually considered to have won the war...

, the city was occupied by France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 after a two-week campaign
Lang Son Campaign
The Lang Son Campaign was a major French offensive in Tonkin during the Sino-French War...

 in February 1885. However, the brigade there conducted a hasty retreat after a failed attack through Bang Bo into China
Qing Dynasty
The Qing Dynasty was the last dynasty of China, ruling from 1644 to 1912 with a brief, abortive restoration in 1917. It was preceded by the Ming Dynasty and followed by the Republic of China....

; the "retreat from Lang Son
Retreat from Lang Son
The Retreat from Lang Son was a controversial, and almost certainly unnecessary, French strategic withdrawal in Tonkin at the end of March 1885 that brought down the government of the French premier Jules Ferry and brought the Sino-French War to an end in circumstances of considerable...

" became the most controversial aspect of the war and led to the fall of the Jules Ferry
Jules Ferry
Jules François Camille Ferry was a French statesman and republican. He was a promoter of laicism and colonial expansion.- Early life :Born in Saint-Dié, in the Vosges département, France, he studied law, and was called to the bar at Paris in 1854, but soon went into politics, contributing to...

 ministry in France.

French Colonial forces clashed with the Japanese 5th Division in the Battle of Lạng Sơn during the Japanese Vietnam Expedition in 22 September 1940. The French were again compelled to retreat hastily.

After the end of the Pacific War
Pacific War
The Pacific War, also sometimes called the Asia-Pacific War refers broadly to the parts of World War II that took place in the Pacific Ocean, its islands, and in East Asia, then called the Far East...

, the French colonial army established a permanent garrison there, which served as the logistics hub for the French border fortresses. It was captured in 1950 during Vo Nguyen Giap's
Vo Nguyen Giap
Võ Nguyên Giáp is a retired Vietnamese officer in the Vietnam People’s Army and a politician. He was a principal commander in two wars: the First Indochina War and the Vietnam War...

 offensive against the French border forts, considered a turning point in the Indochina War.

The city was the center of fighting during the Sino-Vietnamese War
Sino-Vietnamese War
The Sino–Vietnamese War , also known as the Third Indochina War, known in the PRC as and in Vietnam as Chiến tranh chống bành trướng Trung Hoa , was a brief but bloody border war fought in 1979 between the People's Republic of China and the Socialist Republic of Vietnam...

of 1979, and sustained extensive damage.
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