A 1885 treaty ended a war and gave France control over Vietnam
A decades-long struggle for dominance in Southeast Asia culminated in the 1885 Treaty of Tientsin, an agreement that effectively ended Chinese influence in the region and cemented French colonial rule over Vietnam.
The signing of the Treaty of Tientsin on June 9, 1885, marked a pivotal shift in global power dynamics. By finalizing the end of the Sino-French War, China officially recognized the French protectorate over Tonkin and Annam, regions that comprise most of modern-day Vietnam. This moment effectively dismantled centuries of Chinese suzerainty in the area.
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