Flag of the Nguyễn dynasty, 1920�?945 Soon after Vietnam lost Gia Định, the island of Poulo Condor, and a few southern provinces to France With all the Treaty of Saigon in between the Nguyễn dynasty and France in 1862, many resistance actions in the south refused to acknowledge the treaty https://vi-t-nam01222.answerblogs.com/31205554/f8bet-fundamentals-explained