▁Duch ay la , ▁eleven ▁sc rew - dri ven ▁des patch ▁vessels , ▁five ▁first - class ▁gun bo ats , ▁sevent een ▁trans ports ▁and ▁a ▁hospital ▁ship . ▁ ▁The ▁squad ron ▁was ▁accompanied ▁by ▁half ▁a ▁dozen ▁armed ▁l orch as ▁purchased ▁in ▁Mac ao . ▁ ▁After ▁the ▁arrival ▁of ▁these ▁massive ▁rein for c ements , ▁the ▁French ▁were ▁able ▁to ▁defeat ▁the ▁bes ie ging ▁Vietnam ese ▁at ▁the ▁Battle ▁of ▁K ỳ ▁H ò a ▁on ▁ 2 5 ▁February ▁ 1 8 6 1 ▁and ▁raise ▁the ▁sie ge . ▁ ▁See ▁also ▁Col on ization ▁of ▁C och inch ina ▁France - V ietnam ▁relations ▁ ▁Notes ▁ ▁References ▁ ▁" Char les ▁R ig ault ▁de ▁Gen ou illy " ▁Encyclop ædia ▁Britannica ▁Online ▁ ▁Chap uis , ▁O ., ▁The ▁Last ▁Em per ors ▁of ▁Vietnam : ▁From ▁Tu ▁Duc ▁to ▁Ba o ▁D ai ▁( West port , ▁Connecticut , ▁ 2 0 0 0 ) ▁ ▁Gold stein , ▁E ., ▁Wars ▁and ▁Peace ▁Tre aties , ▁ 1 8 1 6 – 1 9 9 1 ▁( Rout ledge , ▁ 1 9 9 2 ) ▁ ▁G und ry , ▁R . ▁S ., ▁China ▁and ▁Her ▁Ne igh b ours ▁( Lond on , ▁ 1 8 9 3 ) ▁ ▁Thom azi , ▁A ., ▁La ▁conqu ête ▁de ▁l ' Ind och ine ▁( Par is , ▁ 1 9 3 4 ) ▁