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Events on Saturday 23 August 1884 1
1884Sino-French War beginsFrance and China clash over control of TonkinFighting escalated between France and Qing China over control of Tonkin in northern Vietnam, following the French destruction of the Chinese fleet at Fuzhou. The undeclared war grew out of French efforts to expand colonial control from Cochinchina into the rest of Vietnam. It continued until a peace treaty in 1885 confirmed French dominance over Vietnam.