page_title: First Indochina War
section_title: War breaks out (1946)
hierarchical_section_title: First Indochina War / Course of the war / War breaks out (1946)
caption_attribution_description: English: Ho Chi Minh and Marius Moutet shaking hands after signing modus vivendi
context_page_description: The First Indochina War began in French Indochina on December 19, 1946, and lasted until July 20, 1954. Fighting between French forces and their Việt Minh opponents in the south dated from September 1945. The conflict pitted a range of forces, including the French Union's French Far East Expeditionary Corps, led by France and supported by Bảo Đại's Vietnamese National Army against the Việt Minh, led by Hồ Chí Minh and the People's Army of Vietnam led by Võ Nguyên Giáp. Most of the fighting took place in Tonkin in northern Vietnam, although the conflict engulfed the entire country and also extended into the neighboring French Indochina protectorates of Laos and Cambodia.
  At the Potsdam Conference in July 1945, the Combined Chiefs of Staff decided that Indochina south of latitude 16° north was to be included in the Southeast Asia Command under British Admiral Mountbatten. Japanese forces located south of that line surrendered to him and those to the north surrendered to Generalissimo Chiang Kai-shek. In September 1945, Chinese forces entered Tonkin, and a small British task force landed at Saigon.
context_section_description: In early 1946, the French landed a military force at Haiphong, and negotiations took place about the future for Vietnam as a state within the French Union. Fighting broke out in Haiphong between the Việt Minh government and the French over a conflict of interest in import duty at the port. On November 23, 1946, the French fleet bombarded the Vietnamese sections of the city killing 6,000 Vietnamese civilians in one afternoon. The Việt Minh quickly agreed to a cease-fire and left the cities. This is known as the Haiphong incident.
  There was never any intention among the Vietnamese to give up, as General Võ Nguyên Giáp soon brought up 30,000 men to attack the city. Although the French were outnumbered, their superior weaponry and naval support made any Việt Minh attack unsuccessful. In December, hostilities between the Việt Minh and the French broke out in Hanoi, and Hồ Chí Minh was forced to evacuate the capital in favor of remote forested and mountainous areas. Guerrilla warfare ensued, with the French controlling most of the country except far-flung areas.
caption: Hồ Chí Minh and Marius Moutet shaking hands after signing modus vivendi 1946 after Fontainebleau Agreements
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