30kii July 1883 Admiral Courbet, General Bouët iyo François-Jules Harmand, oo dhawaan loo magacaabay guddoomiyaha guud ee rayidka ah ee Faransiiska ee Tonkin, ayaa shir dagaal ku qabtay Haiphong. Saddexdii nin waxay isku raaceen in Bouët uu weerar ku qaado Ciidanka Calanka Madow ee ku wareegsan Phu Hoai oo ku taal Day River sida ugu dhakhsaha badan ee suurtogalka ah. Waxay sidoo kale xuseen in Maxkamadda Huế ay si qarsoodi ah u caawinaysay Ciidanka Calanka Madow ee Liu Yongfu, iyo in Amiir Hoàng uu wali hubka ugu jiray Faransiiska Nam Định. Sidaa darteed, waxay go'aansadeen, inta badan codsashada Huế, inay ku talinayaan dowladda Faransiiska inay weerar ku qaadaan difaaca Vietnamese ee Huế, oo ay ku xigto farriin ay u baahan yihiin Vietnamese in ay aqbalaan difaaca Faransiiska ee wejiga ama xeebta Tonkin.
Xayfong