Gia Long's unified Vietnam under the last dynasty — the state the French dismantled piece by piece from Cochinchina in 1862 to the protectorates of 1883-84.
Absorbed into French Indochina in 1887; Nguyễn emperors reigned on under the protectorate until Bảo Đại abdicated to the August Revolution in 1945.
Covers the Nguyễn state and the French conquest in detail.