Flag of your Nguyễn dynasty, 1920�?945 Right after Vietnam lost Gia Định, the island of Poulo Condor, and 3 southern provinces to France Using the Treaty of Saigon involving the Nguyễn dynasty and France in 1862, a lot of resistance movements during the south refused to recognize the treaty and https://ewartn419gpx6.law-wiki.com/user