Retreat from Lạng Sơn
| Retreat from Lạng Sơn | |||||||
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| Part of the Sino-French War | |||||||
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| Belligerents | |||||||
| Qing dynasty | |||||||
The Retreat from Lạng Sơn (French: retraite de Lang-Son) was a controversial French strategic withdrawal in Tonkin at the end of March 1885 during the Sino-French War (August 1884 to April 1885). It represented the last major event of the conflict and was deemed a considerable embarrassment in France, further cementing negative public opinion about the colonial conflict which led to the collapse of French Prime Minister Jules Ferry's government.