Treaty of Tientsin is signed to end the Sino-French War, with China eventually giving up Tonkin and Annam – most of present-day Vietnam – to France.

The Treaty of Tianjin, signed on June 9, 1885, officially ended the Sino-French War. The "unequal treaty", or colonial treaty, restated in greater detail the main provisions of the Tianjin Accord, signed between France and China on May 11, 1884. As Article 2 required China to recognize the French…