Flag of the Nguyễn dynasty, 1920�?945 Right after Vietnam shed Gia Định, the island of Poulo Condor, and three southern provinces to France With all the Treaty of Saigon involving the Nguyễn dynasty and France in 1862, a lot of resistance movements within the south refused to recognize the treaty https://cristiantfnvb.thenerdsblog.com/36671102/việt-nam-secrets