To take away the legitimacy of Hàm Nghi, the French enthroned Nguyễn Cảnh Tông, who took the era name of "Đồng Khánh".
The French enthroned Nguyễn Cảnh Tông. This was to take away the legitimacy of Hàm Nghi. Nguyễn Cảnh Tông took the era name of "Đồng Khánh".