Flag with the Nguyễn dynasty, 1920�?945 Following Vietnam dropped Gia Định, the island of Poulo Condor, and 3 southern provinces to France Using the Treaty of Saigon among the Nguyễn dynasty and France in 1862, several resistance movements from the south refused to acknowledge the treaty and continued to battle https://vf55590011.mybjjblog.com/detailed-notes-on-vf555-44176329