Flag of your Nguyễn dynasty, 1920�?945 After Vietnam lost Gia Định, the island of Poulo Condor, and three southern provinces to France Along with the Treaty of Saigon involving the Nguyễn dynasty and France in 1862, a lot of resistance actions during the south refused to acknowledge the treaty and https://adamh197zgn2.wikienlightenment.com/user