Flag of the Nguyễn dynasty, 1920�?945 Just after Vietnam misplaced Gia Định, the island of Poulo Condor, and 3 southern provinces to France Together with the Treaty of Saigon involving the Nguyễn dynasty and France in 1862, quite a few resistance movements inside the south refused to recognize the treaty https://seymourp284jig8.wikicommunications.com/user