Religious beliefs of Vietnam were a mixture of Buddhism, Confucianism and local practices.
The French introduced Christianity, their Missionaries were hostile to the easy-going attitude of the Vietnamese towards religion.
Scholars’ Revolt of 1868: Led by officials of the Imperial Court. Uprising in Ngu An and Ha Tien provinces killed a thousand Catholics. By the middle of the 18th century 300,000 people converted to Christianity. Revolt suppressed by the French.
The Hoa Hao Movement began in 1939 under its founder Huynh Phu So.
He performed miracles, helped the poor, opposed sale of brides, gambling and use of opium and alcohol.
The French declared him mad and sent him to a mental asylum. Freed in 1946, but exiled to Laos. Followers sent to concentration camps.