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{{Short description|Series of border and naval clashes between China and Vietnam}}
{{Infobox military conflict
{{Infobox military conflict
|conflict=Sino-Vietnamese conflicts, 1979–90
| conflict = Sino-Vietnamese conflicts (1979–1991)
|partof= the [[Third Indochina War]] and [[Cold War]]
| partof = the [[Third Indochina War]], the [[Sino-Soviet Split]] and the [[Cold War in Asia]]
|image=[[File:Sino Vietnamese 1981.jpg|350px]]
| image = Sino Vietnamese 1981.jpg
| image_size = 350px
|caption=A Chinese officer reports to his command after a battle against Vietnamese forces on 14 October 1986
| caption = Chinese [[People's Liberation Army|PLA]] officer Ma Quanbin reports to his command after a battle against Vietnamese forces on 14 October 1986 during the [[Project Blue Sword-B]].
|date=1979–90
| date = {{start date|1979|2|17|df=y}} – {{end date|1991|11|5|df=y}}<br />({{Age in years, months, weeks and days|month1=02|day1=17|year1=1979|month2=11|day2=05|year2=1991}})<ref>https://www.washingtonpost.com/archive/politics/1991/11/06/china-and-vietnam-normalize-relations/8b90e568-cb51-44a3-9a84-90a515e29129/</ref>
|place=Sino-Vietnamese border
| place = [[China–Vietnam border|Sino-Vietnamese border]] and the [[Spratly Islands]]
|casus=
| casus =
|territory=
| result = * Conflict subsides without the outbreak of a full-scale war
* Chinese occupation of several areas within Vietnamese territory in [[Vị Xuyên District]], [[Hà Giang Province]] (returned to Vietnam in 1992)
* Normalization of relations between China and Vietnam in 1991
* Chinese control of six reefs in the [[Spratly Islands]]
| territory = * Temporary Chinese occupation of several areas within Vietnamese territory, in [[Vị Xuyên District|Vị Xuyên]], [[Hà Giang Province|Hà Giang]] (returned to Vietnam in 1992)
|result= The conflict subsided without the outbreak of war. Normalization of relations between China and Vietnam.
* Chinese capture of six reefs in the [[Spratly Islands]]
|combatant1={{flag|China}}
|combatant2={{flag|Vietnam}}
| combatant1 = {{flag|China}}
| combatant2 = {{flag|Vietnam}}
|commander1={{flagicon|China}} [[Deng Xiaoping]]<br />{{flagicon|China}} [[Ye Jianying]]<br /><small>(Chairman of the SCNPC, 1979–83)</small><br />{{flagicon|China}} [[Li Xiannian]]<br /><small>(President, 1983–88)</small><br />{{flagicon|China}} [[Yang Shangkun]]<br /><small>(President, 1988–90)</small><br />{{Flagicon image|People's Liberation Army Flag of the People's Republic of China.svg|size=23px}} [[Yang Dezhi]]<br />{{Flagicon image|People's Liberation Army Flag of the People's Republic of China.svg|size=23px}} [[Xu Shiyou]]
| commander1 = {{plainlist|
|commander2={{flagicon|Vietnam}} [[Lê Duẩn]]<br /><small>(General Secretary, 1979–86)</small><br />{{flagicon|Vietnam}} [[Trường Chinh]]<br /><small>(General Secretary, 1986<br />Chairman of the CS, 1981–87)</small><br />{{flagicon|Vietnam}} [[Nguyễn Văn Linh]]<br /><small>(General Secretary, 1986–90)</small><br />{{flagicon|Vietnam}} [[Tôn Đức Thắng]]<br /><small>(President, 1979–80)</small><br />{{flagicon|Vietnam}} [[Nguyễn Hữu Thọ]]<br /><small>(President, 1980–81)</small><br />{{flagicon|Vietnam}} [[Võ Chí Công]]<br /><small>(Chairman of the CS, 1987–90)</small><br />{{flagicon image|Flag of the People's Army of Vietnam.svg|size=23px}} [[Văn Tiến Dũng]]
*[[Deng Xiaoping]]<br />Chairman of the CMC (1981–89)
|strength1=~200,000<ref name="Li259"/>–400,000<ref name="GS"/>
*[[Ye Jianying]]<br />Chairman of the SCNPC (1979–83)
|strength2=~600,000<ref name="GS"/>–800,000<ref name="Li259"/> (including irregular units)
*[[Li Xiannian]]<br />President (1983–88)
|casualties3= Several thousands killed
*[[Yang Shangkun]]<br />President (1988–91)
|notes=
*[[Yang Dezhi]]
*[[Xu Shiyou]]}}
| commander2 = {{plainlist|
*[[Lê Duẩn]]<br />General Secretary (1979–86)
*[[Trường Chinh]]<br />General Secretary (1986)
*Chairman of the CS (1981–87)
*[[Nguyễn Văn Linh]]<br />General Secretary (1986–91)
*[[Tôn Đức Thắng]]<br />President (1979–80)
*[[Nguyễn Hữu Thọ]]<br />President (1980–81)
*[[Võ Chí Công]]<br />Chairman of the CS (1987–91)
*[[Văn Tiến Dũng]]
*[[Đàm Quang Trung]]
*[[Vũ Lập]]}}
| strength1 = {{circa}} 200,000<ref name="Li259"/>–400,000<ref name="GS"/>
| strength2 = {{circa}} 600,000<ref name="GS"/>–800,000<ref name="Li259"/> (including irregular units)
}}
}}
{{Campaignbox Sino-Vietnamese conflicts (1979–1991)}}
{{Campaignbox Indochina Wars}}
{{Campaignbox Indochina Wars}}
The '''Sino-Vietnamese conflicts of 1979–90''' were a series of border and naval clashes between the [[People's Republic of China]] and the [[Socialist Republic of Vietnam]] following the [[Sino-Vietnamese War]] in 1979. These clashes lasted from the end of the Sino-Vietnamese War in 1979 until 1990.
The '''Sino-Vietnamese conflicts of 1979–1991''' were a series of border and naval clashes between the [[China|People's Republic of China]] and the [[Vietnam|Socialist Republic of Vietnam]] following the [[Sino-Vietnamese War]] in 1979. These clashes lasted from the end of the [[Sino-Vietnamese War]] until the normalization of ties in 1991.


When the Chinese [[People's Liberation Army]] (PLA) withdrew from Vietnam in March 1979 after the war, China announced that they were not ambitious for "any square inch of the territory of Vietnam".<ref>Nayan Chanda, "End of the Battle but Not of the War", ''Far Eastern Economic Review'', 16 March 1979, p. 10. Chanda quoted Chinese officials on announcement of withdrawal on 5 March 1979</ref> In fact, Chinese troops occupied an area of {{convert|60|km2}}, which was disputed land controlled by Vietnam before hostilities broke out.<ref>Edward C. O’Dowd, p. 91</ref> In some places such as the area around [[Friendship Gate]] in [[Lạng Sơn Province]], Chinese troops occupied territories which have no military value but important symbolic value. Elsewhere, Chinese troops occupied the strategic positions of military importance as springboards to attack Vietnam.<ref>Nayan Chanda, p. 10. The most symbolic part was a 300-meter section of railroad track between the Friendship Gate and the Vietnamese border post.</ref>
When the Chinese [[People's Liberation Army]] (PLA) withdrew from Vietnam in March 1979 after the war, China announced that they were not ambitious for "any square inch of the territory of Vietnam".<ref>Nayan Chanda, "End of the Battle but Not of the War", ''Far Eastern Economic Review'', 16&nbsp;March 1979, p.&nbsp;10. Chanda quoted Chinese officials on announcement of withdrawal on 5 March 1979.</ref> However, Chinese troops occupied an area of {{convert|60|km2}}, which was disputed land controlled by Vietnam before hostilities broke out.<ref>O’Dowd, p.&nbsp;91.</ref> In some places such as the area around [[Friendship Pass|Friendship Gate]] near the city of [[Lạng Sơn]], Chinese troops occupied territories which had little military value but important symbolic value. Elsewhere, Chinese troops occupied the strategic positions of military importance as springboards to attack Vietnam.<ref>Nayan Chanda, p.&nbsp;10. The most symbolic part was a 300-meter section of railroad track between the Friendship Gate and the Vietnamese border post.</ref>


The Chinese occupation of border territory angered Vietnam, and this ushered in a series of fights between the two sides to gain control of the area. Border conflicts between Vietnam and China continued until 1988, peaking in the years 1984–1985.<ref name="Joyaux">François Joyaux, p. 242</ref> By the early 1990s, along with the withdrawal of Vietnam from [[Cambodia]] and the [[dissolution of the Soviet Union]], the relationship between the two countries gradually returned to normality.
The Chinese occupation of border territory angered Vietnam, and this ushered in a series of border conflicts between Vietnam and China to gain control of the area. These conflicts continued until 1988, peaking in the years 1984–1985.<ref name="Joyaux">Joyaux, p.&nbsp;242.</ref> By the early 1990s, along with the withdrawal of Vietnam from [[Cambodia]] and the [[dissolution of the Soviet Union]], the relationship between the two countries gradually returned to normality. By 1991, the two countries proclaimed the normalization of their diplomatic relations, thereby ending the border conflicts.


==Background==
==Background==


After 1979, there were at least six clashes on the Sino-Vietnamese border in June and October 1980, May 1981, April 1983, April 1984, June 1985, and from October 1986 to January 1987. According to Western observers, all were initiated or provoked by the Chinese to serve their political objectives.<ref name = CarlyleAThayer>Carlyle A. Thayer, "Security Issues in Southeast Asia: The Third Indochina War", Conference on Security and Arms Control in the North Pacific, Australian National University, Canberra, August 1987.</ref> The imminent threat of another invasion by the northern neighbor impelled Vietnam to build up an enormous defending force. During the 1980s, around 600,000<ref name="GS">{{cite web |url=http://www.globalsecurity.org/military/world/war/prc-vietnam.htm |title=Chinese Invasion of Vietnam – February 1979 |accessdate=7 April 2016|publisher=Global Security.org}}</ref>–800,000<ref name="Li259"/> Vietnamese regulars and paramilitaries were estimated to have been present in frontier areas, confronted by some 200,000<ref name="Li259">Xiaobing Li, p. 259.</ref>–400,000<ref name="GS"/> Chinese troops.
After 1979, there were at least six clashes on the Sino-Vietnamese border in June and October 1980, May 1981, April 1983, April 1984, June 1985, and from October 1986 to January 1987. According to Western observers, all were initiated or provoked by the Chinese to serve political objectives.<ref name = CarlyleAThayer>Carlyle A. Thayer, "Security Issues in Southeast Asia: The Third Indochina War", Conference on Security and Arms Control in the North Pacific, Australian National University, Canberra, August 1987.</ref> The imminent threat of another invasion by the northern neighbor impelled Vietnam to build up an enormous defending force. During the 1980s, around 600,000<ref name="GS">{{cite web |url=http://www.globalsecurity.org/military/world/war/prc-vietnam.htm |title=Chinese Invasion of Vietnam – February 1979 |access-date=7 April 2016 |publisher=Global Security.org |archive-date=26 April 2020 |archive-url=https://web.archive.org/web/20200426121421/https://www.globalsecurity.org/military/world/war/prc-vietnam.htm |url-status=live }}</ref>–800,000<ref name="Li259"/> Vietnamese regulars and paramilitaries were estimated to have been deployed in the frontier areas, confronted by some 200,000<ref name="Li259">Li, p.&nbsp;259.</ref>–400,000<ref name="GS"/> Chinese troops.


Throughout the conflict, the Vietnamese [[Vị Xuyên District]], [[Hà Giang Province]] had become the most violent front, which entangled many interchanged units from both sides. According to cursory examination, in the mid-1980s, this battlefield used to involve seven divisions (313th, 314th, 325th, 328th, 354th, 356th, and 411th) and one separate regiment (266th/341st) among Vietnamese forces.<ref name="ODowd101"/> On the Chinese side, several armies from seven military regions had been rotated through this area to "touch the tiger's butt", or obtain combat experiences, as implied by Chinese paramount leader, [[Deng Xiaoping]].<ref name="Li263"/> From 1984 to 1986, at least 14 Chinese armies had been substitutionally committed to the fight in the area (1st, 12th, 13th, 14th, 16th, 20th, 23rd, 26th, 27th, 38th, 41st, 42nd, 47th, and 67th).<ref name="ODowd101"/>
Throughout the conflict, the Vietnamese [[Vị Xuyên District]] had been the most violent front. According to cursory examination, seven [[Division (military)|divisions]] (the 313th, 314th, 325th, 328th, 354th, 356th, and 411th) and one separate [[regiment]] (the 266th/341st) of Vietnamese forces were involved on this battlefield in the mid-1980s.<ref name="ODowd101"/> On the Chinese side, armies from [[PLA military region|seven military regions]] were rotated through this area to "touch the tiger's butt", a euphemism for obtaining combat experiences given by Chinese [[paramount leader]], [[Deng Xiaoping]].<ref name="Li263"/> From 1984 to 1989, at least 14 Chinese armies had been substitutionally committed to the fight in the area (1st, 12th, 13th, 14th, 16th, 20th, 23rd, 26th, 27th, 38th, 41st, 42nd, 47th, and 67th).<ref name="ODowd101"/>

Besides the use of regular forces, China also armed and trained [[United Front for the Liberation of Oppressed Races|ethnic resistance groups]] (especially from the [[Hmong people]]) to wage unconventional warfare against the governments of Vietnam and [[Laos]].<ref>O'Dowd, p.&nbsp;70.</ref> From 1985, Chinese support for these insurgents began to shrink, as the Laotian government initiated normalization of relations with China.<ref>Quincy, p.&nbsp;441.</ref>


==1980: Shelling of Cao Bằng==
==1980: Shelling of Cao Bằng==
Since early 1980, Vietnam had conducted military operations during the dry season to sweep [[Khmer Rouge]] forces over the Cambodian-Thai border. To put pressure on Vietnam to withdraw military forces from Cambodia, China had garrisoned several armies along the Sino-Vietnamese border. China also provided military training for some 5,000 anti-Laotian [[Hmong people|Hmong]] insurgents in [[Yunnan Province]] and used this force to sabotage the [[Muang Sing]] area in northwestern Laos near the Sino-Laotian border.<ref>John McBeth, "Squeezing the Vietnamese", ''Far Eastern Economic Review'', 19 December 1980, p. 9</ref> Vietnam responded by increasing forces stationed at the Sino-Vietnamese border, and China no longer had the overwhelming numerical superiority as it did in its campaign in February 1979.<ref>Edward C. O'Dowd, p. 92.</ref>
Since early 1980, China had orchestrated military operations during the dry season to sweep [[Khmer Rouge]] forces over the Cambodia-Thailand border. To put pressure on Vietnam to withdraw military forces from Cambodia, China had garrisoned several armies along the [[China-Vietnam border|Sino–Vietnamese border]]. China also provided military training for some 5,000 anti-Laotian [[Hmong people|Hmong]] insurgents in [[Yunnan Province]] and used this force to sabotage the [[Muang Sing]] area in northwestern Laos near the Sino-Laotian border.<ref>John McBeth, "Squeezing the Vietnamese", ''Far Eastern Economic Review'', 19&nbsp;December 1980, p.&nbsp;9.</ref> Vietnam responded by increasing forces stationed at the Sino-Vietnamese border, and China no longer had the overwhelming numerical superiority as it did in its campaign in February 1979.<ref>O'Dowd, p.&nbsp;92.</ref>


In June 1980, the [[Vietnam People's Army]] (VPA) [[Vietnamese border raids in Thailand|crossed the Thai–Cambodian border]] during the pursuit of the defeated Khmer Rouge.<ref name = CarlyleAThayer/> Despite swift Vietnamese withdrawal from Thai territory, the Vietnamese incursion made China feel that it had to act to support its allies, [[Thailand]] and the Khmer Rouge. From 28 June to 6 July, in addition to outspoken criticism of Vietnam in diplomatic announcements, the Chinese continuously shelled the Vietnamese [[Cao Bằng Province]].<ref name="ODowd93">Edward C. O'Dowd, p. 93.</ref> Small-scale skirmishes also took place along the border later in the year, with seven incidents occurring just in the first half of October. China accused Vietnam of conducting cross-border raids against Chinese positions in the Luojiaping area, [[Maguan County]], Yunnan Province on 30 September and 1 October, killing at least 5 Chinese.<ref>[http://www.upi.com/Archives/1980/10/16/Armed-skirmishes-on-the-border-between-China-and-Vietnam/2040340516800/ "Armed skirmishes on the border between China and Vietnam..."], ''UPI'', 16 October 1980.</ref>
In June 1980, the [[People's Army of Vietnam]] (PAVN) [[Vietnamese border raids in Thailand|crossed the Thai–Cambodian border]] during the pursuit of the defeated Khmer Rouge.<ref name = CarlyleAThayer/> Despite swift Vietnamese withdrawal from Thai territory, the Vietnamese incursion made China feel that it had to act to support its allies, [[Thailand]] and the Khmer Rouge. From 28 June to 6 July, in addition to outspoken criticism of Vietnam in diplomatic announcements, the Chinese continuously shelled the Vietnamese [[Cao Bằng Province]].<ref name="ODowd93">O'Dowd, p.&nbsp;93.</ref> Small-scale skirmishes also took place along the border later in the year, with seven incidents occurring in the first half of October. China accused Vietnam of conducting cross-border raids against Chinese positions in the Luojiaping area, [[Maguan County]], Yunnan Province on 30&nbsp;September and 1&nbsp;October, in which 3 Chinese border guards or militiamen were killed.<ref>[http://www.upi.com/Archives/1980/10/16/Armed-skirmishes-on-the-border-between-China-and-Vietnam/2040340516800/ "Armed skirmishes on the border between China and Vietnam..."] {{Webarchive|url=https://web.archive.org/web/20191021175215/https://www.upi.com/Archives/1980/10/16/Armed-skirmishes-on-the-border-between-China-and-Vietnam/2040340516800/ |date=2019-10-21 }}, ''UPI'', 16 October 1980.</ref> The Chinese launched a retaliatory assault against Vietnamese positions in the same area on 15 October, in which they killed 42 Vietnamese troops and captured 3.<ref>Zhang, p.&nbsp;146. "In a 3.5-hour fight they killed 42 enemy troops and captured
3."</ref>


The Chinese shellings did not aim at any strategic military target or create any substantial damage in Vietnam at all but were symbolic. Vietnam felt that the conduct of military operations on a larger scale was beyond Chinese capabilities, and therefore having a free hand to conduct military operations in Cambodia. However, Chinese shellings had shaped the type of conflict on the Sino-Vietnamese border in the next 10 years.<ref name="ODowd93"/>
The Chinese shelling did not aim at any strategic military target or create any substantial damage in Vietnam. Vietnam felt that the conduct of military operations on a larger scale was beyond Chinese capabilities, and that this gave them a free hand to conduct military operations in Cambodia. The Chinese shelling was indicative of the type of conflict the Sino-Vietnamese border would see for the next 10 years.<ref name="ODowd93"/>


==1981: Battle of Mẫu Sơn (Battle of Fakashan)==
==1981: Battle of Hill 400 (Battle of Fakashan)==
{{Main|Battle of Fakashan}}
On 2 January 1981, the [[Ministry of Foreign Affairs (Vietnam)|Vietnam Ministry of Foreign Affairs]] proposed a ceasefire during the [[Lunar New Year]] festival. This proposal was rejected by China on 20 January. However, two sides continued the exchange of prisoners of war. The situation was relatively calm in the next few months.
On 2 January 1981, the [[Ministry of Foreign Affairs (Vietnam)|Vietnamese Ministry of Foreign Affairs]] proposed a ceasefire during the [[Lunar New Year]] festival. While this proposal was rejected by China on 20 January, the two sides continued the exchange of prisoners of war. The situation was relatively calm for the next few months.


In May 1981, ferocious fighting suddenly erupted in [[Cao Lộc District]], [[Lạng Sơn Province]] when the PLA launched a regiment-sized attack on a height on the [[Mount Mẫu Sơn|Mau Son Range]] named Fakashan (法卡山) by the Chinese, or Hill 400 by the Vietnamese. In Tuyên Province (now [[Hà Giang Province|Hà Giang]] and [[Tuyên Quang Province]]s), Chinese forces also stormed another strategic peak called Hill 1688 and several other positions in its vicinity. Bloody engagements claimed hundreds of lives from each side.<ref>Edward C. O'Dowd, p. 94.</ref> To justify this military operation, China announced that the attacks were in response to acts of aggression by Vietnam during the first quarter of that year.<ref name="CarlyleAThayer"/>
In May 1981, ferocious fighting erupted in [[Cao Lộc District]], [[Lạng Sơn Province]], when the PLA launched a regiment-sized attack on 5 May against a height known as Fakashan ({{lang|zh|法卡山}}) to the Chinese and Hill 400 to the Vietnamese, and an attack against a strategic peak designated as Hill 1688, or named Koulinshan ({{lang|zh|扣林山}}) by the Chinese, on 7 May.<ref name="Zhang147">Zhang, p.&nbsp;147.</ref> Bloody engagements claimed hundreds of lives from each side.<ref name="CarlyleAThayer"/><ref>O'Dowd, p.&nbsp;94.</ref> To justify this military operation, China announced that the attacks were in response to acts of aggression by Vietnam during the first quarter of that year.<ref name="CarlyleAThayer"/>


In retaliation, Vietnamese forces carried out raids against [[Guangxi Province]] on 5 and 6 May. A Vietnamese infantry company also struck the Mengdong co-operative commune in [[Malipo County]], Yunnan Province. The Chinese claimed to have fought off these attacks, wiping out hundreds of enemy soldiers in Guangxi. On 22 May, they claimed to have killed 85 Vietnamese in [[Koulin]], Yunnan. In total, China asserted to have eliminated about 300 Vietnamese soldiers during these border clashes.<ref name = CarlyleAThayer/>
Starting on 10 May, Vietnamese forces carried out counterattacks against Chinese troops.<ref name="Zhang147"/> A Vietnamese infantry company also struck the Mengdong co-operative commune in [[Malipo County]], Yunnan Province; Chinese newspapers reported that 85 Vietnamese soldiers, including 2 officers, were killed.<ref>{{cite news |title=AROUND THE WORLD; Chinese Reportedly Kill 85 Vietnamese Troops |work=The New York Times |date=23 May 1981 |url=https://www.nytimes.com/1981/05/23/world/around-the-world-chinese-reportedly-kill-85-vietnamese-troops.html |access-date=12 November 2023 |agency=New York Times |ref=nyt85}}</ref><ref name="Zhang147"/> <ref name = CarlyleAThayer/> Throughout the battles at Fakashan and Koulinshan, Chinese reports claimed a total of 1,200 Vietnamese personnel killed or wounded.<ref name="Zhang147"/>


Although the conflict went on fiercely, China did not want to escalate<ref name = CarlyleAThayer/> and only deployed border guard units instead of regular troops into the battle. Western observers assessed that China was unlikely to teach Vietnam a "lesson" like one in 1979, especially when Vietnam had strengthened its regular forces in border areas and had a clear advantage in terms of equipment.<ref>Michael Weisskopf and Howard Simmons, "A Slow Burn on the Sino-Vietnam Border", ''Asiaweek'', 22 May 1981, p. 24.</ref> Other analysts pointed out that the upcoming rainy season and the recent cut in China's defense budget would not enable the country to carry out a large-scale invasion.<ref>Michael Weisskopf (from Beijing), ''International Herald Tribune'', 25 May 1981.</ref>
Although the conflict raged on, China did not want to escalate<ref name = CarlyleAThayer/> and only deployed border guard units instead of regular troops into the battles. Western observers assessed that China was unlikely to teach Vietnam a "lesson" like in 1979, especially when Vietnam had strengthened its regular forces in border areas and had a clear advantage in terms of equipment.<ref>Michael Weisskopf and Howard Simmons, "A Slow Burn on the Sino-Vietnam Border", ''Asiaweek'', 22&nbsp;May 1981, p.&nbsp;24.</ref> Other analysts pointed out that the upcoming rainy season and the recent cuts in its military budget would preclude China's carrying out a large-scale invasion.<ref>Michael Weisskopf (from Beijing), ''International Herald Tribune'', 25 May 1981.</ref>


==1984: Battle of Vị Xuyên (Battle of Laoshan)==
==1984: Battle of Vị Xuyên (Battle of Laoshan)==
{{Main|Battle of Laoshan}}
From 2 to 27 April 1984, in support of [[Coalition Government of Democratic Kampuchea|Cambodian rebel forces]] whose bases were being overrun by the Vietnamese Army during the K5 dry season offensive, China had conducted the heaviest artillery barrage since 1979 against the Vietnamese border region, with 60,000 shells pounding 16 districts in Lạng Sơn, Cao Bằng, Hà Tuyên, and Hoàng Liên Sơn Provinces. This was accompanied by a wave of infantry battalion-sized attacks on 6 April. The largest of them took place in [[Tràng Định District]], Lạng Sơn Province, with several Chinese battalions assaulting Hills 820 and 636 near [[First Battle of Lang Son|the routes taken during the 1979 invasion]] at the [[Friendship Pass|Friendship Gate]]. Despite mobilizing a large force, the Chinese were either beaten back or forced to abandon captured positions by the next day.<ref name="CarlyleAThayer" /><ref>O’Dowd, p.&nbsp;98.</ref> Chinese documents later revealed that the ground attacks primarily served the diversionary objective, with their scales much lower than that reported by Western sources.<ref>Zhang, p.&nbsp;151-152.</ref>


In Hà Tuyên, from April to July 1984, Chinese forces struck a strip of hills in Vị Xuyên District, named Laoshan ({{lang|zh|老山}}) by the Chinese. Laoshan is a string of mountains running from the western part of Hill 1800 to another hill at an elevation of 1,200 m in the east. This easternmost hill has been referred to by the Chinese as either Dongshan ({{lang|zh|东山}}) or Zheyinshan ({{lang|zh|者阴山}}), and was also the only position on the eastern bank of the [[Lô River]] where fighting occurred.<ref name="ODowd100">O’Dowd, p.&nbsp;100.</ref>
From 2 to 27 April 1984, in support of [[Coalition Government of Democratic Kampuchea|Cambodian rebel forces]], whose bases were being overrun by the Vietnamese Army during the K5 dry season offensive, China had conducted the heaviest artillery barrage since 1979 against the Vietnamese border region, with 60,000 shells pounding 16 districts of Lang Son, Cao Bang, Ha Tuyen, and Hoang Lien Son Provinces. This was accompanied by a wave of infantry battalion-sized attacks on 6 April. The largest of them took place in [[Tràng Định District]], Lạng Sơn Province, with several Chinese battalions assaulting Hills 820 and 636 located near [[First Battle of Lang Son|the routes taken during the 1979 invasion]] at the Friendship Gate. Despite using a massive force, Chinese troops were either beaten back or forced to abandon the captured positions by the next day.<ref name = CarlyleAThayer/><ref>Edward C. O’Dowd, p. 98</ref>


The PLA launched their assault at 05:00 on 28 April after intense artillery bombardment. The PLA 40th Division of the 14th Army crossed the border section to the west of the Lô River, while the 49th Division (probably from the [[16th Army (People's Republic of China)|16th Army]]) took Hill 1200 on the eastern bank.<ref>O'Dowd, p. 100, citing from ''Ziwei Huanji'' (''Counter-Attack in Self-Defence against Vietnam''). According to B. P. Mahony, at least three Chinese divisions participated in the attack (B. P. Mahony, "Sino-Vietnamese Security Issues: Second Lesson Versus Stalemate", meeting of the Asian Studies Association of Australia, University of Sydney, 12–16 May 1986). Other sources have identified the PLA 31st Division of the 11th Army as the unit that assaulted Hill 1200. It is possible both divisions were involved. Even if only two Chinese divisions had been present, they would still have outnumbered Vietnamese forces, with about 24,000 Chinese troops against probably 10,000 soldiers of the PAVN 313th Division.</ref> The Vietnamese defenders, including the PAVN 313th Division and 168th Artillery Brigade, were forced to retreat from the hills. PLA troops captured the hamlet of Na La, as well as Hills 233, 685 and 468, creating a [[Salient (military)|salient]] of {{convert|2.5|km}} thrusting into Vietnam. These positions were shielded by steep cliffs covered by dense forests along the Thanh Thủy River, and could only be accessed by crossing the exposed eastern side of the Lô River valley.<ref name="ODowd100"/><ref>B.>&nbsp;. Mahony, "Sino-Vietnamese Security Issues: Second Lesson Versus Stalemate", p.&nbsp;14.</ref>
In Ha Tuyen from April to July 1984, Chinese forces struck a strip of hills in Vi Xuyen District, named Laoshan (老山) by the Chinese. Laoshan is actually a streak of mountains running from the western Hill 1800 to another hill at the elevation of 1,200 m in the east. This easternmost hill has been referred to by the Chinese as either Dongshan (东山) or Zheyinshan (者阴山), and was also the only position on the eastern bank of the [[Lô River]] where fighting occurred.<ref name="ODowd100">Edward C. O’Dowd, p. 100</ref>


After 28 April, fighting remained continued in other places such as Hills 1509 (Laoshan), 772, 233, 1200 (Zheyinshan) and 1030, over which control constantly changed hands. The battle paused on 15 May, as Chinese forces had virtually secured these hills, but resumed on 12 June and again on 12 July as the PAVN mounted counter-attacks in an attempt to recapture the lost positions.<ref name="ODowd100"/><ref name="XiaobingLi260"/> Afterwards, fighting was gradually reduced to sporadic artillery duels and skirmishes.<ref name="ODowd100"/> According to U.S. intelligence reports, Vietnamese forces failed to retake the eight hills.<ref>"Intelligence", ''Far Eastern Economic Review'', 2 August 1984.</ref> As the result, the PLA occupied 29 points within Vietnamese territory, including Hills 1509 and 772 west of the Lô River, as well as Hills 1250 and 1030 and Mount Si-La-Ca in the east. Along the {{convert|11|km|adj=on}} border segment, the deepest Chinese intrusion was made at Hills 685 and 468 located approximately {{convert|2|km}} to the south.<ref name = CarlyleAThayer/> However, the Chinese failed to advance any further than {{convert|5|km}} southward, despite their outnumbering force.<ref name="ODowd100"/> The heights continued to be contested in a string of later engagements, which lasted until 1986.<ref name="ODowd101"/>
The PLA launched their assault at 05:00 on 28 April after intense artillery bombardment. The PLA 40th Division of the 14th Army crossed the border section to the west of the Lô River, while the 49th Division (probably from the [[16th Army (People's Republic of China)|16th Army]]) took Hill 1200 on the eastern bank.<ref> Edward C. O'Dowd, p. 100, citing from ''Ziwei Huanji'' (''Counter-Attack in Self-Defence against Vietnam''). According to B. P. Mahony, at least three Chinese divisions participated in the attack (B. P. Mahony, "Sino-Vietnamese Security Issues: Second Lesson Versus Stalemate", meeting of the Asian Studies Association of Australia, University of Sydney, 12-16 May 1986). Other sources have identified the PLA 31st Division of the 11th Army as the unit that assaulted Hill 1200. It is possible both divisions were involved. Even if only two Chinese divisions had been present, they would still have outnumbered Vietnamese forces, with about 24,000 men against probably 10,000 soldiers of the VPA 313th Division.</ref> The Vietnamese defenders, including the VPA 313th Division and 168th Artillery Brigade, were forced to retreat from the hills. PLA troops captured the hamlet of Na La, as well as Hills 233, 685 and 468, creating a salient of 2.5&nbsp;km thrusting into Vietnam. These positions were protected by steep cliffs covered by dense forests along the Thanh Thuy River, and could only be accessed by crossing the exposed eastern side of the Lo River valley.<ref name="ODowd100"/><ref>B. P. Mahony, "Sino-Vietnamese Security Issues: Second Lesson Versus Stalemate", p. 14.</ref>


To defend the captured area, the PLA stationed two armies in the Vị Xuyên region, consisting of four infantry divisions, two artillery divisions, and several tank regiments. Chinese artillery positioned on the hills included {{convert|130|mm}} field guns, {{convert|152|mm}} howitzers, and 40-barrel [[multiple rocket launchers]], while infantry regiments were equipped with {{convert|85|mm}} guns and 100-D mortars. The PLA used tanks in some of the battles.<ref name="XiaobingLi260"/>
After 28 April, fighting remained see-sawing in other locations such as Hills 1509 (Laoshan), 772, 233, 1200 (Zheyinshan) and 1030, over which control constantly changed hands. The battle came to an interval on 15 May, as Chinese forces had virtually secured these hills, but resumed on 12 June and then on 12 July when the VPA staged counter-attacks to recapture the lost positions.<ref name="ODowd100"/><ref name="XiaobingLi260"/> Afterwards, fighting was gradually reduced to sporadic artillery duels and skirmishes.<ref name="ODowd100"/>


In June, the Vietnamese claimed to have annihilated one regiment and eight battalions of the PLA, equivalent to about 5,500 Chinese casualties.<ref>Paul Quinn-Judge, "Borderline Cases", ''Far Eastern Economic Review'', 21&nbsp;June 1984, p.&nbsp;26</ref> They raised the number to 7,500 by August.<ref>''The Nation Review'', 7&nbsp;August 1984. Referenced from the Hanoi Radio.</ref> In contrast, the Chinese reported they had inflicted approximately 2,000 casualties on Vietnamese forces, while losing 939 soldiers and 64 laborers killed during the five-week offensive campaign in Laoshan.<ref name="XiaobingLi260">Li, p.&nbsp;260.</ref> 1,080–3,000 Vietnamese deaths was additionally claimed by the Chinese after the action on 12&nbsp;July.<ref>Zhang, p.&nbsp;156.</ref> The Vietnamese admitted that the PAVN 356th Division alone suffered 600 killed on that day.<ref name=Vnexpress2014>{{in lang|vi}}<!--Vietnamese--> [http://vnexpress.net/tin-tuc/thoi-su/hang-nghin-chien-si-thuong-vong-ngay-cao-diem-tran-chien-vi-xuyen-3022565.html "Hàng nghìn chiến sĩ thương vong ngày cao điểm trận chiến Vị Xuyên"] {{Webarchive|url=https://web.archive.org/web/20180723034414/http://vnexpress.net/tin-tuc/thoi-su/hang-nghin-chien-si-thuong-vong-ngay-cao-diem-tran-chien-vi-xuyen-3022565.html |date=2018-07-23 }}, ''VnExpress'', 25 July 2014.</ref>
According to U.S. intelligence reports, Vietnamese forces were unsuccessful in retaking the eight hills.<ref>"Intelligence", ''Far Eastern Economic Review'', 2 August 1984</ref> As the result, the PLA occupied 29 points within Vietnamese territory, including Hills 1509 and 772 west of Lo River, as well as Hills 1250 and 1030 and Mount Si-La-Ca in the east. The deepest Chinese intrusion was made at Hills 685 and 468 located approximately 2&nbsp;km south of the border.<ref name = CarlyleAThayer/> However, the Chinese failed to advance any further than 5&nbsp;km southward, despite their outnumbering forces.<ref name="ODowd100"/> The heights continued to be contested in a string of later engagements, which lasted no earlier than 1986.<ref>Edward C. O'Dowd, p. 101.</ref>


==1986–87: "Phony war"==
To defend the captured area, the PLA stationed two armies in Vi Xuyen region, consisting of four infantry divisions, two artillery divisions, and several tank regiments. Chinese artillery positioned on the hills included 130&nbsp;mm field guns, 152&nbsp;mm howitzers, and 40-barrel [[multiple rocket launchers]], while infantry regiments were equipped with 85&nbsp;mm guns and 100-D mortars. The PLA even used tanks in some of the fights.<ref name="XiaobingLi260"/>
{{see also|Operation Blue Sword (1986)}}
In 1985, the Chinese fired more than 800,000 shells into Vị Xuyên of about one million shells targeted at Vietnamese border regions; this activity, however, significantly dropped in the period from 1986 to early 1987, with only several tens of thousands of rounds fired per month. In 1986, [[General Secretary of the Communist Party of the Soviet Union]] [[Mikhail Gorbachev]] called for the normalization of relations between Vietnam and China in a speech in [[Vladivostok]]. In October 1986, China also succeeded in persuading the [[Soviet Union]] to conduct negotiations on Cambodia in the ninth round of negotiations between the USSR and China.<ref>''The Canberra Times'', 6 October 1986. Referenced from the AFP in Beijing.</ref>


However, amid positive diplomatic signals, the situation at the frontier suddenly intensified. On 14&nbsp;October 1986, Vietnam accused China of firing 35,000 shells into Vị Xuyên and making a territorial encroachment. The Vietnamese also claimed to have repelled three Chinese charges against Hill 1100 and the Thanh Thủy Bridge. This development was possibly a Chinese reaction either to the Soviet Union's refusal to raise pressure on Vietnam to withdraw from Cambodia,<ref>"A Crescendo for Withdrawal", ''Asiaweek'', 2&nbsp;November 1986, p.&nbsp;11.</ref> or to Vietnamese plans for military activity in Cambodia during the dry season.<ref name = CarlyleAThayer/> In January 1987, China fired some tens of thousands of shells (60,000 shells on 7&nbsp;January alone) and launched 15 division-sized attacks against Vietnamese positions on Hills 233, 685, 1509, and 1100. Vietnam put the number of Chinese casualties in these attacks at 1,500. The Chinese, on the other hand, claimed to have inflicted 500 casualties on the Vietnamese; they also denied the Vietnamese claim, but admitted that Chinese forces had suffered "considerable losses".<ref>Brecher and Wilkenfield, p.&nbsp;161.</ref><ref name = CarlyleAThayer/> On 5 October 1987, a [[Mikoyan-Gurevich MiG-21|MiG-21]] fighter jet of the [[Vietnam People's Air Force]] was shot down over the Chinese [[Longzhou County]], Guangxi Province.<ref>O'Dowd, p.&nbsp;105-106.</ref>
Official Vietnamese reports in June claimed the decimation of one regiment and eight battalions of the PLA, equivalent to 5,500 Chinese casualties.<ref>Paul Quinn-Judge, "Borderline Cases", ''Far Eastern Economic Review'', 21 June 1984, p. 26</ref> This number had been raised to 7,500 by August.<ref>''The Nation Review'', 7 August 1984. Referenced from the Hanoi Radio.</ref> In contrast, the Chinese claimed to have inflicted approximately 2,000 casualties on Vietnamese forces, while losing 939 soldiers and 64 laborers killed during the five-week offensive campaign in Laoshan.<ref name="XiaobingLi260">Xiaobing Li, p. 260.</ref> The Vietnamese admitted that during the action on 12 July, the VPA 356th Division alone suffered 600 killed.<ref name=Vnexpress>(in Vietnamese) [http://vnexpress.net/tin-tuc/thoi-su/hang-nghin-chien-si-thuong-vong-ngay-cao-diem-tran-chien-vi-xuyen-3022565.html "Hàng nghìn chiến sĩ thương vong ngày cao điểm trận chiến Vị Xuyên"], ''VnExpress'', 25 July 2014.</ref>


According to Carlyle A. Thayer, this wave of fighting had the nature of a "phony war". Despite heavy clashes in Vị Xuyên, the situation in other border provinces was relatively calm, and the Chinese did not deploy any of their regular units into the fight. The order of battle of both sides remained unchanged during this period of the conflict.<ref name = CarlyleAThayer/>
==1986 to 1987: Continuation of border shelling==
In 1985, the Chinese fired more than 800,000 shells into Vi Xuyen among about 1 million shells targeted on the border regions; this number, however, had significantly dropped in the period from 1986 to early 1987, with only several tens of thousands rounds per month. In 1986, [[General Secretary of the Communist Party of the Soviet Union]] [[Mikhail Gorbachev]] called for the normalization of relations between Vietnam and China in a speech in [[Vladivostok]]. In October 1986, China also succeeded in persuading the [[Soviet Union]] to conduct negotiations on the Cambodia affairs in the ninth round of negotiations between the USSR and China.<ref>''The Canberra Times'', 6 October 1986. Referenced from the AFP in Beijing.</ref>

However, amid positive diplomatic signals, the situation in the border region suddenly intensified. On 14 October 1986, Vietnam accused China of firing 35,000 shells into Vi Xuyen and making territorial encroachment. The Vietnamese also claimed to have repelled three Chinese charges at Hill 1100 and the Thanh Thuy Bridge. This development was probably China's reaction to the Soviet Union's refusal to raise pressure on Vietnam to withdraw from Cambodia.<ref>"A Crescendo for Withdrawal", ''Asiaweek'', 2 November 1986, p. 11.</ref> In January 1987, China had fired some tens of thousands of shells (60,000 shells on 8 January alone) and launched 15 division-sized attacks against Vietnamese positions on Hills 233, 685, 1509, and 1100. Vietnam put the number of Chinese losses in these attacks at 1,500. China, on the other hand, claimed to have inflicted 500 casualties on the Vietnamese, giving that the casualty figures of its own side were lower.<ref name = CarlyleAThayer/> On 5 October 1987, a [[Mikoyan-Gurevich MiG-21|MiG-21]] fighter of the [[Vietnam People's Air Force]] was shot down over the Chinese [[Longzhou County]], Guangxi Province.<ref>Edward C. O'Dowd, p. 105-106.</ref>


==1988: Johnson South Reef Skirmish==
==1988: Johnson South Reef Skirmish==
{{main|Johnson South Reef Skirmish}}
{{main|Johnson South Reef Skirmish}}
On 14 March 1988, a naval battle was fought between the [[Vietnam People's Navy]] and the [[People's Liberation Army Navy]] within the [[Spratly Islands]] while the PLAN was conducting a survey expedition as part of the UNESCO [[Intergovernmental Oceanographic Commission]] global oceanic surveys project.<ref name=":Wang" />{{Rp|page=258}} Chinese and Vietnamese sources differ regarding which side shot first.<ref name=":Wang" />{{Rp|page=258}} At least 64 Vietnamese soldiers killed and three Vietnamese naval vessels lost.<ref name="reuters20160314">{{cite news|url=https://www.reuters.com/article/us-southchinasea-vietnam-idUSKCN0WG0C9|title=Vietnam protesters denounce China on anniversary of navy battle|author1=Martin Petty|author2=Simon Cameron-Moore|publisher=Reuters|access-date=2017-07-02|archive-date=2017-05-19|archive-url=https://web.archive.org/web/20170519020032/http://www.reuters.com/article/us-southchinasea-vietnam-idUSKCN0WG0C9|url-status=live}}</ref> China established control over six significant landmarks including Johnson South Reef.<ref name=":Wang">{{Cite book |last=Wang |first=Frances Yaping |title=The Art of State Persuasion: China's Strategic Use of Media in Interstate Disputes |publisher=[[Oxford University Press]] |year=2024 |isbn=9780197757512}}</ref>{{Rp|page=258}}
On 14 March 1988, a naval battle was fought between the [[Vietnam People's Navy]] and the [[People's Liberation Army Navy]] within the [[Spratly Islands]]. The battle resulted in the death of 64 Vietnamese soldiers and virtual Chinese control over the Johnson South Reef.


==Aftermath==
==Aftermath==
During 5-year-period from 1984 to 1989, the Chinese had dumped over 2 million artillery rounds in Ha Giang Province, mainly in the area of {{convert|20|km2}} of Thanh Thuy and Thanh Duc Communes. The situation was quiet at the town of [[Hà Giang]], 10 miles south of the battle sites, without any considerable barrages.<ref name=Vnexpress/>
During the five-year period from 1984 to 1989, the Chinese had fired over 2&nbsp;million artillery rounds in Giang Province, mainly in the area of {{convert|20|km2}} of Thanh Thủy and Thạnh Đức Communes. The situation was quiet at the town of [[Hà Giang]], {{convert|16|km}} south of the battle sites, without any considerable barrage.<ref name=Vnexpress2014/>


From April 1987, the PLA began to scale down their military operations, yet still routinely patrolled the Laoshan and Zheyinshan areas. From April 1987 to October 1989, they conducted only 11 attacks, mostly artillery strikes. By 1992, China had formally pulled out its troops from Laoshan and Zheyinshan.<ref name="Li263">Xiaobing Li, p. 263.</ref> The withdrawal had been gradually carried out since 1989. Atop Laoshan, the Chinese built concrete bunkers and a memorial after the conflict. Only earthen structures remained on the Vietnamese sector, which has been delimited and returned to Vietnam under the 2009 Border Agreement between the two countries.{{citation needed|date=March 2016}} China and Vietnam negotiated the normalization of their relations in a secretive summit in [[Chengdu]] in September 1990 and officially normalized ties in November 1991.
From April&nbsp;1987, the PLA began to scale down their military operations, yet still routinely patrolled the Laoshan and Zheyinshan areas. From April&nbsp;1987 to October&nbsp;1989, they conducted only 11 attacks, mostly artillery strikes. By 1992, China had formally pulled out its troops from Laoshan and Zheyinshan.<ref name="Li263">Li, p.&nbsp;263.</ref> The withdrawal had been gradually carried out since 1989. Atop Laoshan, the Chinese built concrete bunkers and a memorial after the conflict. Only earthen structures remained on the Vietnamese sector, which has been delineated and returned to Vietnam under the 2009 Border Agreement between the two countries.<ref>{{cite news |title=China and Vietnam settle border dispute |url=https://www.nytimes.com/2009/01/01/world/asia/01iht-border.1.19027004.html |access-date=26 November 2022 |work=The New York Times |date=1 January 2009 |archive-date=26 November 2022 |archive-url=https://web.archive.org/web/20221126050933/https://www.nytimes.com/2009/01/01/world/asia/01iht-border.1.19027004.html |url-status=live }}</ref> China and Vietnam negotiated the normalization of their relations in a secretive summit in [[Chengdu]] in September 1990 and officially normalized ties in November&nbsp;1991.


Thousands of people from both sides were killed in these border clashes. At the military cemetery in Vị Xuyên, there are more than 1,600 graves of Vietnamese soldiers killed during the conflict.<ref name="Danwei">Zhou Yu, [http://www.danwei.org/magazines/the_sino-vietnamese_war_thirty.php "The Sino-Vietnamese War: A Scar on the Tropic of Cancer"] {{Webarchive|url=https://web.archive.org/web/20180916220219/http://www.danwei.org/magazines/the_sino-vietnamese_war_thirty.php |date=2018-09-16 }}, ''Phoenix Weekly'', 5 April 2009, p.&nbsp;34. Retrieved 6 May 2016.</ref><ref name="ODowd101">O'Dowd, p.&nbsp;101.</ref> Vietnam acknowledged 4,000 killed and 9,000 wounded in the area between 1984 and 1989.<ref name="Vnexpress2016">{{in lang|vi}} [https://vnexpress.net/tin-tuc/thoi-su/hon-4-000-chien-si-hy-sinh-bao-ve-bien-gioi-vi-xuyen-3436441.html?vn_source=rcm_detail&vn_medium=thoisu&vn_campaign=rcm&ctr=rcm_detail_env_4_click_thoisu "Hơn 4.000 chiến sĩ hy sinh bảo vệ biên giới Vị Xuyên"] {{Webarchive|url=https://web.archive.org/web/20180807124911/https://vnexpress.net/tin-tuc/thoi-su/hon-4-000-chien-si-hy-sinh-bao-ve-bien-gioi-vi-xuyen-3436441.html?vn_source=rcm_detail&vn_medium=thoisu&vn_campaign=rcm&ctr=rcm_detail_env_4_click_thoisu |date=2018-08-07 }}, ''VnExpress'', 14&nbsp;July 2016.</ref> The Chinese confirmed their corresponding casualty figure as 4,100, including over 2,000 war dead.<ref name="Zhang161">Zhang, p.&nbsp;161.</ref>
Thousands of people from both sides were killed in these border clashes. In the Vị Xuyên Martyrs Cemetery, there are more than 1,600 graves of Vietnamese soldiers killed during the conflict.<ref name="ODowd101">Edward C. O'Dowd, p. 101.</ref>


==Notes==
== See also ==
*[[China–Vietnam relations]]

== References ==
=== Citations ===
{{Reflist|30em}}
{{Reflist|30em}}


=== Sources and further reading ===
==References==
{{Refbegin}}
{{refbegin}}
* Amer, Ramses. "Cambodia and Vietnam: A troubled relationship." in ''International Relations in Southeast Asia. Between Bilateralism and Multilateralism'' (Singapore: Institute of Southeast Asian Studies, 2010): 92–110.
* {{cite book
* {{cite book
| first =
|first1 = Michael
| last =François Joyaux
|last1 = Brecher
|first2 = Jonathan
| authorlink =
|last2 = Wilkenfield
| coauthors =
| title =La Chine et le Reglement du Premier Conflit d'Indochine
|title = A Study of Crisis
| publisher =Publications de la Sorbonne
|publisher = University of Michigan Press
| date =1979
|date = 2000
|url = https://books.google.com/books?id=GjY7aV_6FPwC
| location =Paris
|isbn = 0-472-10806-9
| pages =
| url =
}}

| doi =
* Garver, John W. ''China's Quest: The History of the Foreign Relations of the People's Republic'' (2018) pp 383–400.
| isbn = }}
* Hood, Steven J. ''Dragons Entangled: Indochina and the China-Vietnam War'' (ME Sharpe, 1993).
* {{cite book
* {{cite book
| first =
|first = François
| last =Edward C. O'Dowd
|last = Joyaux
|title = La Tentation impériale - Politique extérieure de la Chine depuis 1949
| authorlink =
|publisher = Imprimerie nationale
| coauthors =
|location = Paris
| title =Chinese Military Strategy in the Third Indochina War: The Last Maoist War
| publisher =Routledge
|year = 1994
|isbn = 2-11-081331-8}}
| date =2007
| location =New York
| pages =
| url =https://books.google.com.vn/books?id=Nas6GwFndYoC&printsec=frontcover&hl=vi&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false
| doi =
| isbn =0203088964 }}
* {{cite book
* {{cite book
| first =
|first = Xiaobing
| last =Xiaobing Li
|last = Li
|title = A History of the Modern Chinese Army
| authorlink =
|publisher = The University Press of Kentucky
| coauthors =
|date = 2007
| title =A History of the Modern Chinese Army
|url = https://books.google.com/books?id=svBt-hzD53AC&q=xiaobing+li
| publisher =The University Press of Kentucky
| date =2007
|isbn = 9780813124384
|access-date = 2020-10-03
| location =
|archive-date = 2023-03-13
| pages =
| url =https://books.google.com.vn/books?id=svBt-hzD53AC&printsec=frontcover&dq=xiaobing+li&hl=vi&sa=X&ved=0CBsQ6AEwAGoVChMI9vb0nrDfxgIVAZSUCh0x_wyY#v=onepage&q=xiaobing%20li&f=false
|archive-url = https://web.archive.org/web/20230313182528/https://books.google.com/books?id=svBt-hzD53AC&q=xiaobing+li
| doi =
|url-status = live
}}
| isbn =9780813124384 }}
* McGregor, Charles. "China, Vietnam, and the Cambodian conflict: Beijing's end game strategy." ''Asian Survey'' 30.3 (1990): 266-283 [https://online.ucpress.edu/as/article-pdf/30/3/266/71937/2644565.pdf online] {{Webarchive|url=https://web.archive.org/web/20230313182522/https://online.ucpress.edu/as/article-abstract/30/3/266/22664/China-Vietnam-and-the-Cambodian-Conflict-Beijing-s?redirectedFrom=PDF |date=2023-03-13 }}.
* {{cite book
|first = Edward C.
|last = O'Dowd
|title = Chinese Military Strategy in the Third Indochina War: The Last Maoist War
|publisher = Routledge
|date = 2007
|location = New York
|url = https://books.google.com/books?id=Nas6GwFndYoC
|isbn = 978-0203088968
|access-date = 2019-08-19
|archive-date = 2023-03-13
|archive-url = https://web.archive.org/web/20230313182523/https://books.google.com/books?id=Nas6GwFndYoC
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}}
* Path, Kosal. "China's Economic Sanctions against Vietnam, 1975–1978." ''China Quarterly'' 212 (2012): 1040-1058 [http://repec.viet-studies.com/kinhte/ChinaSanctions_ChinaQuart2012.pdf online] {{Webarchive|url=https://web.archive.org/web/20200715135326/http://repec.viet-studies.com/kinhte/ChinaSanctions_ChinaQuart2012.pdf |date=2020-07-15 }}.
* Path, Kosal. "The Sino-Vietnamese Dispute over Territorial Claims, 1974-1978: Vietnamese Nationalism and its Consequences." ''International Journal of Asian Studies'' 8.2 (2011): 189+ [https://www.researchgate.net/profile/Kosal_Path/publication/231996801_The_sino-vietnamese_dispute_over_territorial_claims_1974-1978_Vietnamese_nationalism_and_its_consequences/links/564167ba08ae24cd3e411659/The-sino-vietnamese-dispute-over-territorial-claims-1974-1978-Vietnamese-nationalism-and-its-consequences.pdf online].
* {{cite book
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|last = Quincy
|title = Harvesting Pa Chay's Wheat: The Hmong and America's Secret War in Laos
|publisher = Eastern Washington University Press
|date = 2000
|url = https://archive.org/details/harvestingpachay00quin
|isbn = 978-0-910055-61-1
|url-access = registration
}}
* Reddick, Zachary N. "A Sacrifice for Chinese Unity: The Sino-Vietnamese War through Domestic Media." ''Southeast Review of Asian Studies'' 39 (2017).
* Westad, Odd Arne, and Sophie Quinn-Judge, eds. ''The third Indochina war: conflict between China, Vietnam and Cambodia, 1972–79'' (Routledge, 2006).
* Womack, Brantly. "Asymmetry and systemic misperception: China, Vietnam and Cambodia during the 1970s." ''Journal of Strategic Studies'' 26.2 (2003): 92–119 [https://politics.virginia.edu/brantlywomack/wp-content/uploads/sites/12/2017/03/2003a.pdf online] {{Webarchive|url=https://web.archive.org/web/20200712082854/https://politics.virginia.edu/brantlywomack/wp-content/uploads/sites/12/2017/03/2003a.pdf |date=2020-07-12 }}.
* {{cite book
|first = Xiaoming
|last = Zhang
|title = Deng Xiaoping's Long War: The Military Conflict between China and Vietnam, 1979–1991
|publisher = University of North Carolina Press
|date = 2015
|url = https://books.google.com/books?id=bCQUCAAAQBAJ
|isbn = 9781469621258
|access-date = 2019-08-19
|archive-date = 2023-03-13
|archive-url = https://web.archive.org/web/20230313182523/https://books.google.com/books?id=bCQUCAAAQBAJ
|url-status = live
}}
{{refend}}



{{PRC conflicts}}
{{PRC conflicts}}
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[[Category:20th century in China]]
[[Category:20th century in China]]
[[Category:20th century in Vietnam]]
[[Category:20th century in Vietnam]]
[[Category:History of Vietnam (1945–present)]]
[[Category:Third Indochina War]]

Latest revision as of 09:45, 3 January 2025

Sino-Vietnamese conflicts (1979–1991)
Part of the Third Indochina War, the Sino-Soviet Split and the Cold War in Asia

Chinese PLA officer Ma Quanbin reports to his command after a battle against Vietnamese forces on 14 October 1986 during the Project Blue Sword-B.
Date17 February 1979 (1979-02-17) – 5 November 1991 (1991-11-05)
(12 years, 8 months, 2 weeks and 5 days)[1]
Location
Result
  • Conflict subsides without the outbreak of a full-scale war
  • Normalization of relations between China and Vietnam in 1991
Territorial
changes
  • Temporary Chinese occupation of several areas within Vietnamese territory, in Vị Xuyên, Hà Giang (returned to Vietnam in 1992)
  • Chinese capture of six reefs in the Spratly Islands
  • Belligerents
     China  Vietnam
    Commanders and leaders
    Strength
    c. 200,000[2]–400,000[3] c. 600,000[3]–800,000[2] (including irregular units)

    The Sino-Vietnamese conflicts of 1979–1991 were a series of border and naval clashes between the People's Republic of China and the Socialist Republic of Vietnam following the Sino-Vietnamese War in 1979. These clashes lasted from the end of the Sino-Vietnamese War until the normalization of ties in 1991.

    When the Chinese People's Liberation Army (PLA) withdrew from Vietnam in March 1979 after the war, China announced that they were not ambitious for "any square inch of the territory of Vietnam".[4] However, Chinese troops occupied an area of 60 square kilometres (23 sq mi), which was disputed land controlled by Vietnam before hostilities broke out.[5] In some places such as the area around Friendship Gate near the city of Lạng Sơn, Chinese troops occupied territories which had little military value but important symbolic value. Elsewhere, Chinese troops occupied the strategic positions of military importance as springboards to attack Vietnam.[6]

    The Chinese occupation of border territory angered Vietnam, and this ushered in a series of border conflicts between Vietnam and China to gain control of the area. These conflicts continued until 1988, peaking in the years 1984–1985.[7] By the early 1990s, along with the withdrawal of Vietnam from Cambodia and the dissolution of the Soviet Union, the relationship between the two countries gradually returned to normality. By 1991, the two countries proclaimed the normalization of their diplomatic relations, thereby ending the border conflicts.

    Background

    [edit]

    After 1979, there were at least six clashes on the Sino-Vietnamese border in June and October 1980, May 1981, April 1983, April 1984, June 1985, and from October 1986 to January 1987. According to Western observers, all were initiated or provoked by the Chinese to serve political objectives.[8] The imminent threat of another invasion by the northern neighbor impelled Vietnam to build up an enormous defending force. During the 1980s, around 600,000[3]–800,000[2] Vietnamese regulars and paramilitaries were estimated to have been deployed in the frontier areas, confronted by some 200,000[2]–400,000[3] Chinese troops.

    Throughout the conflict, the Vietnamese Vị Xuyên District had been the most violent front. According to cursory examination, seven divisions (the 313th, 314th, 325th, 328th, 354th, 356th, and 411th) and one separate regiment (the 266th/341st) of Vietnamese forces were involved on this battlefield in the mid-1980s.[9] On the Chinese side, armies from seven military regions were rotated through this area to "touch the tiger's butt", a euphemism for obtaining combat experiences given by Chinese paramount leader, Deng Xiaoping.[10] From 1984 to 1989, at least 14 Chinese armies had been substitutionally committed to the fight in the area (1st, 12th, 13th, 14th, 16th, 20th, 23rd, 26th, 27th, 38th, 41st, 42nd, 47th, and 67th).[9]

    Besides the use of regular forces, China also armed and trained ethnic resistance groups (especially from the Hmong people) to wage unconventional warfare against the governments of Vietnam and Laos.[11] From 1985, Chinese support for these insurgents began to shrink, as the Laotian government initiated normalization of relations with China.[12]

    1980: Shelling of Cao Bằng

    [edit]

    Since early 1980, China had orchestrated military operations during the dry season to sweep Khmer Rouge forces over the Cambodia-Thailand border. To put pressure on Vietnam to withdraw military forces from Cambodia, China had garrisoned several armies along the Sino–Vietnamese border. China also provided military training for some 5,000 anti-Laotian Hmong insurgents in Yunnan Province and used this force to sabotage the Muang Sing area in northwestern Laos near the Sino-Laotian border.[13] Vietnam responded by increasing forces stationed at the Sino-Vietnamese border, and China no longer had the overwhelming numerical superiority as it did in its campaign in February 1979.[14]

    In June 1980, the People's Army of Vietnam (PAVN) crossed the Thai–Cambodian border during the pursuit of the defeated Khmer Rouge.[8] Despite swift Vietnamese withdrawal from Thai territory, the Vietnamese incursion made China feel that it had to act to support its allies, Thailand and the Khmer Rouge. From 28 June to 6 July, in addition to outspoken criticism of Vietnam in diplomatic announcements, the Chinese continuously shelled the Vietnamese Cao Bằng Province.[15] Small-scale skirmishes also took place along the border later in the year, with seven incidents occurring in the first half of October. China accused Vietnam of conducting cross-border raids against Chinese positions in the Luojiaping area, Maguan County, Yunnan Province on 30 September and 1 October, in which 3 Chinese border guards or militiamen were killed.[16] The Chinese launched a retaliatory assault against Vietnamese positions in the same area on 15 October, in which they killed 42 Vietnamese troops and captured 3.[17]

    The Chinese shelling did not aim at any strategic military target or create any substantial damage in Vietnam. Vietnam felt that the conduct of military operations on a larger scale was beyond Chinese capabilities, and that this gave them a free hand to conduct military operations in Cambodia. The Chinese shelling was indicative of the type of conflict the Sino-Vietnamese border would see for the next 10 years.[15]

    1981: Battle of Hill 400 (Battle of Fakashan)

    [edit]

    On 2 January 1981, the Vietnamese Ministry of Foreign Affairs proposed a ceasefire during the Lunar New Year festival. While this proposal was rejected by China on 20 January, the two sides continued the exchange of prisoners of war. The situation was relatively calm for the next few months.

    In May 1981, ferocious fighting erupted in Cao Lộc District, Lạng Sơn Province, when the PLA launched a regiment-sized attack on 5 May against a height known as Fakashan (法卡山) to the Chinese and Hill 400 to the Vietnamese, and an attack against a strategic peak designated as Hill 1688, or named Koulinshan (扣林山) by the Chinese, on 7 May.[18] Bloody engagements claimed hundreds of lives from each side.[8][19] To justify this military operation, China announced that the attacks were in response to acts of aggression by Vietnam during the first quarter of that year.[8]

    Starting on 10 May, Vietnamese forces carried out counterattacks against Chinese troops.[18] A Vietnamese infantry company also struck the Mengdong co-operative commune in Malipo County, Yunnan Province; Chinese newspapers reported that 85 Vietnamese soldiers, including 2 officers, were killed.[20][18] [8] Throughout the battles at Fakashan and Koulinshan, Chinese reports claimed a total of 1,200 Vietnamese personnel killed or wounded.[18]

    Although the conflict raged on, China did not want to escalate[8] and only deployed border guard units instead of regular troops into the battles. Western observers assessed that China was unlikely to teach Vietnam a "lesson" like in 1979, especially when Vietnam had strengthened its regular forces in border areas and had a clear advantage in terms of equipment.[21] Other analysts pointed out that the upcoming rainy season and the recent cuts in its military budget would preclude China's carrying out a large-scale invasion.[22]

    1984: Battle of Vị Xuyên (Battle of Laoshan)

    [edit]

    From 2 to 27 April 1984, in support of Cambodian rebel forces whose bases were being overrun by the Vietnamese Army during the K5 dry season offensive, China had conducted the heaviest artillery barrage since 1979 against the Vietnamese border region, with 60,000 shells pounding 16 districts in Lạng Sơn, Cao Bằng, Hà Tuyên, and Hoàng Liên Sơn Provinces. This was accompanied by a wave of infantry battalion-sized attacks on 6 April. The largest of them took place in Tràng Định District, Lạng Sơn Province, with several Chinese battalions assaulting Hills 820 and 636 near the routes taken during the 1979 invasion at the Friendship Gate. Despite mobilizing a large force, the Chinese were either beaten back or forced to abandon captured positions by the next day.[8][23] Chinese documents later revealed that the ground attacks primarily served the diversionary objective, with their scales much lower than that reported by Western sources.[24]

    In Hà Tuyên, from April to July 1984, Chinese forces struck a strip of hills in Vị Xuyên District, named Laoshan (老山) by the Chinese. Laoshan is a string of mountains running from the western part of Hill 1800 to another hill at an elevation of 1,200 m in the east. This easternmost hill has been referred to by the Chinese as either Dongshan (东山) or Zheyinshan (者阴山), and was also the only position on the eastern bank of the Lô River where fighting occurred.[25]

    The PLA launched their assault at 05:00 on 28 April after intense artillery bombardment. The PLA 40th Division of the 14th Army crossed the border section to the west of the Lô River, while the 49th Division (probably from the 16th Army) took Hill 1200 on the eastern bank.[26] The Vietnamese defenders, including the PAVN 313th Division and 168th Artillery Brigade, were forced to retreat from the hills. PLA troops captured the hamlet of Na La, as well as Hills 233, 685 and 468, creating a salient of 2.5 kilometres (1.6 mi) thrusting into Vietnam. These positions were shielded by steep cliffs covered by dense forests along the Thanh Thủy River, and could only be accessed by crossing the exposed eastern side of the Lô River valley.[25][27]

    After 28 April, fighting remained continued in other places such as Hills 1509 (Laoshan), 772, 233, 1200 (Zheyinshan) and 1030, over which control constantly changed hands. The battle paused on 15 May, as Chinese forces had virtually secured these hills, but resumed on 12 June and again on 12 July as the PAVN mounted counter-attacks in an attempt to recapture the lost positions.[25][28] Afterwards, fighting was gradually reduced to sporadic artillery duels and skirmishes.[25] According to U.S. intelligence reports, Vietnamese forces failed to retake the eight hills.[29] As the result, the PLA occupied 29 points within Vietnamese territory, including Hills 1509 and 772 west of the Lô River, as well as Hills 1250 and 1030 and Mount Si-La-Ca in the east. Along the 11-kilometre (6.8 mi) border segment, the deepest Chinese intrusion was made at Hills 685 and 468 located approximately 2 kilometres (1.2 mi) to the south.[8] However, the Chinese failed to advance any further than 5 kilometres (3.1 mi) southward, despite their outnumbering force.[25] The heights continued to be contested in a string of later engagements, which lasted until 1986.[9]

    To defend the captured area, the PLA stationed two armies in the Vị Xuyên region, consisting of four infantry divisions, two artillery divisions, and several tank regiments. Chinese artillery positioned on the hills included 130 millimetres (5.1 in) field guns, 152 millimetres (6.0 in) howitzers, and 40-barrel multiple rocket launchers, while infantry regiments were equipped with 85 millimetres (3.3 in) guns and 100-D mortars. The PLA used tanks in some of the battles.[28]

    In June, the Vietnamese claimed to have annihilated one regiment and eight battalions of the PLA, equivalent to about 5,500 Chinese casualties.[30] They raised the number to 7,500 by August.[31] In contrast, the Chinese reported they had inflicted approximately 2,000 casualties on Vietnamese forces, while losing 939 soldiers and 64 laborers killed during the five-week offensive campaign in Laoshan.[28] 1,080–3,000 Vietnamese deaths was additionally claimed by the Chinese after the action on 12 July.[32] The Vietnamese admitted that the PAVN 356th Division alone suffered 600 killed on that day.[33]

    1986–87: "Phony war"

    [edit]

    In 1985, the Chinese fired more than 800,000 shells into Vị Xuyên of about one million shells targeted at Vietnamese border regions; this activity, however, significantly dropped in the period from 1986 to early 1987, with only several tens of thousands of rounds fired per month. In 1986, General Secretary of the Communist Party of the Soviet Union Mikhail Gorbachev called for the normalization of relations between Vietnam and China in a speech in Vladivostok. In October 1986, China also succeeded in persuading the Soviet Union to conduct negotiations on Cambodia in the ninth round of negotiations between the USSR and China.[34]

    However, amid positive diplomatic signals, the situation at the frontier suddenly intensified. On 14 October 1986, Vietnam accused China of firing 35,000 shells into Vị Xuyên and making a territorial encroachment. The Vietnamese also claimed to have repelled three Chinese charges against Hill 1100 and the Thanh Thủy Bridge. This development was possibly a Chinese reaction either to the Soviet Union's refusal to raise pressure on Vietnam to withdraw from Cambodia,[35] or to Vietnamese plans for military activity in Cambodia during the dry season.[8] In January 1987, China fired some tens of thousands of shells (60,000 shells on 7 January alone) and launched 15 division-sized attacks against Vietnamese positions on Hills 233, 685, 1509, and 1100. Vietnam put the number of Chinese casualties in these attacks at 1,500. The Chinese, on the other hand, claimed to have inflicted 500 casualties on the Vietnamese; they also denied the Vietnamese claim, but admitted that Chinese forces had suffered "considerable losses".[36][8] On 5 October 1987, a MiG-21 fighter jet of the Vietnam People's Air Force was shot down over the Chinese Longzhou County, Guangxi Province.[37]

    According to Carlyle A. Thayer, this wave of fighting had the nature of a "phony war". Despite heavy clashes in Vị Xuyên, the situation in other border provinces was relatively calm, and the Chinese did not deploy any of their regular units into the fight. The order of battle of both sides remained unchanged during this period of the conflict.[8]

    1988: Johnson South Reef Skirmish

    [edit]

    On 14 March 1988, a naval battle was fought between the Vietnam People's Navy and the People's Liberation Army Navy within the Spratly Islands while the PLAN was conducting a survey expedition as part of the UNESCO Intergovernmental Oceanographic Commission global oceanic surveys project.[38]: 258  Chinese and Vietnamese sources differ regarding which side shot first.[38]: 258  At least 64 Vietnamese soldiers killed and three Vietnamese naval vessels lost.[39] China established control over six significant landmarks including Johnson South Reef.[38]: 258 

    Aftermath

    [edit]

    During the five-year period from 1984 to 1989, the Chinese had fired over 2 million artillery rounds in Hà Giang Province, mainly in the area of 20 square kilometres (7.7 sq mi) of Thanh Thủy and Thạnh Đức Communes. The situation was quiet at the town of Hà Giang, 16 kilometres (9.9 mi) south of the battle sites, without any considerable barrage.[33]

    From April 1987, the PLA began to scale down their military operations, yet still routinely patrolled the Laoshan and Zheyinshan areas. From April 1987 to October 1989, they conducted only 11 attacks, mostly artillery strikes. By 1992, China had formally pulled out its troops from Laoshan and Zheyinshan.[10] The withdrawal had been gradually carried out since 1989. Atop Laoshan, the Chinese built concrete bunkers and a memorial after the conflict. Only earthen structures remained on the Vietnamese sector, which has been delineated and returned to Vietnam under the 2009 Border Agreement between the two countries.[40] China and Vietnam negotiated the normalization of their relations in a secretive summit in Chengdu in September 1990 and officially normalized ties in November 1991.

    Thousands of people from both sides were killed in these border clashes. At the military cemetery in Vị Xuyên, there are more than 1,600 graves of Vietnamese soldiers killed during the conflict.[41][9] Vietnam acknowledged 4,000 killed and 9,000 wounded in the area between 1984 and 1989.[42] The Chinese confirmed their corresponding casualty figure as 4,100, including over 2,000 war dead.[43]

    See also

    [edit]

    References

    [edit]

    Citations

    [edit]
    1. ^ https://www.washingtonpost.com/archive/politics/1991/11/06/china-and-vietnam-normalize-relations/8b90e568-cb51-44a3-9a84-90a515e29129/
    2. ^ a b c d Li, p. 259.
    3. ^ a b c d "Chinese Invasion of Vietnam – February 1979". Global Security.org. Archived from the original on 26 April 2020. Retrieved 7 April 2016.
    4. ^ Nayan Chanda, "End of the Battle but Not of the War", Far Eastern Economic Review, 16 March 1979, p. 10. Chanda quoted Chinese officials on announcement of withdrawal on 5 March 1979.
    5. ^ O’Dowd, p. 91.
    6. ^ Nayan Chanda, p. 10. The most symbolic part was a 300-meter section of railroad track between the Friendship Gate and the Vietnamese border post.
    7. ^ Joyaux, p. 242.
    8. ^ a b c d e f g h i j k Carlyle A. Thayer, "Security Issues in Southeast Asia: The Third Indochina War", Conference on Security and Arms Control in the North Pacific, Australian National University, Canberra, August 1987.
    9. ^ a b c d O'Dowd, p. 101.
    10. ^ a b Li, p. 263.
    11. ^ O'Dowd, p. 70.
    12. ^ Quincy, p. 441.
    13. ^ John McBeth, "Squeezing the Vietnamese", Far Eastern Economic Review, 19 December 1980, p. 9.
    14. ^ O'Dowd, p. 92.
    15. ^ a b O'Dowd, p. 93.
    16. ^ "Armed skirmishes on the border between China and Vietnam..." Archived 2019-10-21 at the Wayback Machine, UPI, 16 October 1980.
    17. ^ Zhang, p. 146. "In a 3.5-hour fight they killed 42 enemy troops and captured 3."
    18. ^ a b c d Zhang, p. 147.
    19. ^ O'Dowd, p. 94.
    20. ^ "AROUND THE WORLD; Chinese Reportedly Kill 85 Vietnamese Troops". The New York Times. New York Times. 23 May 1981. Retrieved 12 November 2023.
    21. ^ Michael Weisskopf and Howard Simmons, "A Slow Burn on the Sino-Vietnam Border", Asiaweek, 22 May 1981, p. 24.
    22. ^ Michael Weisskopf (from Beijing), International Herald Tribune, 25 May 1981.
    23. ^ O’Dowd, p. 98.
    24. ^ Zhang, p. 151-152.
    25. ^ a b c d e O’Dowd, p. 100.
    26. ^ O'Dowd, p. 100, citing from Ziwei Huanji (Counter-Attack in Self-Defence against Vietnam). According to B. P. Mahony, at least three Chinese divisions participated in the attack (B. P. Mahony, "Sino-Vietnamese Security Issues: Second Lesson Versus Stalemate", meeting of the Asian Studies Association of Australia, University of Sydney, 12–16 May 1986). Other sources have identified the PLA 31st Division of the 11th Army as the unit that assaulted Hill 1200. It is possible both divisions were involved. Even if only two Chinese divisions had been present, they would still have outnumbered Vietnamese forces, with about 24,000 Chinese troops against probably 10,000 soldiers of the PAVN 313th Division.
    27. ^ B.> . Mahony, "Sino-Vietnamese Security Issues: Second Lesson Versus Stalemate", p. 14.
    28. ^ a b c Li, p. 260.
    29. ^ "Intelligence", Far Eastern Economic Review, 2 August 1984.
    30. ^ Paul Quinn-Judge, "Borderline Cases", Far Eastern Economic Review, 21 June 1984, p. 26
    31. ^ The Nation Review, 7 August 1984. Referenced from the Hanoi Radio.
    32. ^ Zhang, p. 156.
    33. ^ a b (in Vietnamese) "Hàng nghìn chiến sĩ thương vong ngày cao điểm trận chiến Vị Xuyên" Archived 2018-07-23 at the Wayback Machine, VnExpress, 25 July 2014.
    34. ^ The Canberra Times, 6 October 1986. Referenced from the AFP in Beijing.
    35. ^ "A Crescendo for Withdrawal", Asiaweek, 2 November 1986, p. 11.
    36. ^ Brecher and Wilkenfield, p. 161.
    37. ^ O'Dowd, p. 105-106.
    38. ^ a b c Wang, Frances Yaping (2024). The Art of State Persuasion: China's Strategic Use of Media in Interstate Disputes. Oxford University Press. ISBN 9780197757512.
    39. ^ Martin Petty; Simon Cameron-Moore. "Vietnam protesters denounce China on anniversary of navy battle". Reuters. Archived from the original on 2017-05-19. Retrieved 2017-07-02.
    40. ^ "China and Vietnam settle border dispute". The New York Times. 1 January 2009. Archived from the original on 26 November 2022. Retrieved 26 November 2022.
    41. ^ Zhou Yu, "The Sino-Vietnamese War: A Scar on the Tropic of Cancer" Archived 2018-09-16 at the Wayback Machine, Phoenix Weekly, 5 April 2009, p. 34. Retrieved 6 May 2016.
    42. ^ (in Vietnamese) "Hơn 4.000 chiến sĩ hy sinh bảo vệ biên giới Vị Xuyên" Archived 2018-08-07 at the Wayback Machine, VnExpress, 14 July 2016.
    43. ^ Zhang, p. 161.

    Sources and further reading

    [edit]
    • Amer, Ramses. "Cambodia and Vietnam: A troubled relationship." in International Relations in Southeast Asia. Between Bilateralism and Multilateralism (Singapore: Institute of Southeast Asian Studies, 2010): 92–110.
    • Brecher, Michael; Wilkenfield, Jonathan (2000). A Study of Crisis. University of Michigan Press. ISBN 0-472-10806-9.