Flag of the Nguyễn dynasty, 1920�?945 Right after Vietnam missing Gia Định, the island of Poulo Condor, and 3 southern provinces to France Along with the Treaty of Saigon amongst the Nguyễn dynasty and France in 1862, quite a few resistance movements inside the south refused to acknowledge the treaty https://vi-t-nam68890.get-blogging.com/31524943/detailed-notes-on-gk88