In May 1940, he was arrested and sent to the prison at Sơn La.
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During the late 1930s he was involved with the student movement in Huế and Hanoi, as well as various youth organizations.
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He was born as Nguyễn Trọng Cảnh on 23 January 1916, in Nam Trung village, Nam Đàn District, Nghệ An Province.
List of emperors of the Trần Dynasty | Tran | Tran, Bulgaria | Tran Municipality | Trần Văn Hữu | Tran Anh Hung | Tran Van Khe | Trần Hưng Đạo | Trần Anh Hùng | Phú Quốc | Namson Tran | Lê Phụ Trần | Kimlinh Tran | Turtle Tower (''Tháp Rùa'') on Hoàn Kiếm Lake, the natural habitat of the turtle in central Hanoi | Trần Văn Đôn | Tran Thi Ly Bridge | Trần Thị Lý | Trần Thị Dung | Tran Quoc Hien | Trần Quốc Ẩn | Trần Quốc Ân | Tran (novel) | Trần Kim Tuyến | Tran Kim Tuyen | Trần | Le Quoc Quan | Hoàn Kiếm Lake | Hoan Kiem Lake | Hoàn Kiếm District | Hoan Bridge |