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Operational survey:On February 17, 1979 China invaded, the war started, to seize Mengguan town.On February 18 seizes the clear water, the Vietnamese troops to the gallery resists stubbornly in the Gaoping front, forgives area the mountain, Dongdang's guided missile position is destroyed, the Laokay fierce combat, the Lai continent Vietnamese troops retreat Heihe Nanan. On February 19 attacks and seizes river County Magistrate Lu the snow-capped mountain, the air force bombing the coast defense.On February 20 captures Laokay, Dongdang, a package of happy fierce combat, the Vietnamese air force attacks west of the river mouth the reinforcing unit.On February 21 captures the Gaoping.On February 22 seizes a package of unhappiness, the Vietnamese troops reassigns in Cambodian and Laos's army returns to guards against, 2 teachers which defends Hanoi attempts to the Gaoping, the Laichau aspect China army to launch the counter-attack, the idle work.On February 23 forgives nearby the mountain the high horse hill eruption intense attack and defense war, captures the river river. Reenforce two teachers under air protection, attack awn street, Locbinh.On February 24 the Vietnamese troops counter-attack, with the Chinese army in the Gaoping, Laokay had the street fighting Vietnamese troops once to attempt to seep enters within the boundaries of China, but all suffered routs. Captures the citrus reticulata the pond. On February 25 gets up the combat situation rubber, the Vietnamese troops cling to tenaciously border defense important place to forgive the mountain. On March 1 forgives the mountain fierce combat, the Vietnamese troops reenforces sharpest 308th Shi Xiang from Hanoi to forgive the mountain to launch counter-attack, and use chemical weapon. On March 4 308 teachers suffer China to repel, forgive the mountain downcast.On March 5 China announced achieved "punishes Viet Nam" the goal, starts to withdraw troops. Vietnam announces the national general mobilization command, the pledge resistance. On March 7 gets up China officially to withdraw troops, and plundering commodity, when use military supplies vehicles return trip carries within the boundaries of China. Many place Vietnamese industry and mining industry equipment suffers the destruction. On March 13 continues to withdraw troops, China lays down the land mine in the route of withdrawal, shields the withdrawal of troops by the rocket and the long distance fire. Vietnamese troops not large-scale pursuit motion.On March 16 China announced completes the withdrawal of troops motion, the war ended.◎作战概况：1979年2月17日中国入侵，战争开始，占领孟关镇。
越南战争（1961年—1975年），简称越战，又称第二次印度支那战争，越南共产党称抗美救国战争（越南语：Chiến Tranh Chống Mỹ Cứu Nước），为越南共和国（南越）及美国对抗越南民主共和国（北越）及“越南南方民族解放阵线”（又称越共）的一场战争。
越战是二战以后美国参战人数最多、影响最重大的战争，也是该国至今唯一战败的战争（虽然美国政府自称是“光荣的撤退”）。
越战是冷战中的“一次热战”，希望统一越南的北越领导人胡志明支持南方的游击队“民族解放阵线”反对南越吴廷琰政府。
美国则出兵帮助南越。
最开始援助南越的美国总统是艾森豪威尔；约翰·菲茨杰拉德·肯尼迪开始支持在越南作战；林登·约翰逊将战争扩大。
在尼克松执政时期，美国因国内的反战浪潮，逐步将军队撤出越南。
北越政府军和南越解放军最终打败了南越政府军队，统一越南。
