The Tonkin campaign was an armed conflict fought between June 1883 and April 1886 by the French against, variously, the Vietnamese, Liu Yongfu's Black Flag Army and the Chinese Guangxi and Yunnan armi
The Capture of Bắc Ninh, 12 March 1884
Combat of Nam Định, 19 July 1883.
Courbet and Harmand at Huế, August 1883
Signature of the Treaty of Huế, 25 August 1883
The Sơn Tây campaign was a campaign fought by the French to capture the strategically important city of Sơn Tây in Tonkin from Liu Yongfu's Black Flag Army and allied contingents of Vietnamese and Chi
Liu Yongfu (1837–1917)
The capture of Sơn Tây, 16 December 1883