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BATTLE // December 19, 1946

Battle of Hanoi

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Overview

On December 19, 1946, Viet Minh soldiers detonated explosives in Hanoi, and the ensuing battle, known as the Battle of Hanoi marked the opening salvo of the First Indochina War.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Hanoi on December 19, 1946, marked the opening of the First Indochina War. Viet Minh soldiers initiated hostilities by detonating explosives in Hanoi, setting in motion a conflict between the Democratic Republic of Vietnam and French Union forces that would last until 1954. The engagement committed both sides to armed struggle, ending the contested political period that had followed the re-entry of French forces into northern Vietnam and establishing that the Viet Minh under commanders including Vương Thừa Vũ and Trần Độ would contest French control through direct military confrontation.

Forces & casualties

Troop strength

  • French Union6,000
    medium
  • Democratic Republic of Vietnam10,000
    medium

Democratic Republic of Vietnam fielded a 1.7 : 1 numerical advantage

Commanders (2)

Democratic Republic of Vietnam

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Last verified June 2026
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