 Nyora kuenderera kweiyi ndima - Nekuda kwenzvimbo yayo senzira yeVietnam yekuChina, Lạng Sơn nenhare yayo yekare zvave munzira yekupinda kwakawanda, uye yaive nzvimbo yekukundwa katatu kweFrance munguva yekoloni. Yakagarwa nemauto eQing panguva yekuunganidzwa kwemauto kwakatangira Hondo yeChina neFrance, guta iri rakagarwa neFrance mushure memavhiki maviri eLạng Sơn Campaign muna Kukadzi 1885. Zvisinei, brigade ikoko yakaita kudzokera shure nokukurumidza mushure mekurwisa kwakakundikana paHondo yeBang Bo kupinda muChina; kudzokera shure kubva kuLạng Sơn kwakava chinhu chinopesana zvikuru muhondo uye kwakatungamirira kukuwa kwehutungamiri hwaJules Ferry. Mauto echiFrench ekoloni akakundwa neJapan 5th Division muhondo yeLạng Sơn panguva yeJapan Vietnam Expedition musi wa22 Gunyana 1940. VaFrance vakamanikidzwazve kudzokera shure nokukurumidza. Muna 1945 yakanga irizve nzvimbo yokurwisana kwakasimba mukati mechiuto cheJapan muFrench Indochina. 