Flag with the Nguyễn dynasty, 1920�?945 After Vietnam lost Gia Định, the island of Poulo Condor, and 3 southern provinces to France Along with the Treaty of Saigon among the Nguyễn dynasty and France in 1862, lots of resistance movements in the south refused to recognize the treaty and ongoing https://janisz086zjr4.dekaronwiki.com/user