Flag from the Nguyễn dynasty, 1920�?945 Following Vietnam dropped Gia Định, the island of Poulo Condor, and 3 southern provinces to France with the Treaty of Saigon amongst the Nguyễn dynasty and France in 1862, numerous resistance movements in the south refused to recognize the treaty and ongoing to struggle https://lillianh319isa7.sasugawiki.com/user