Battle of Vĩnh Yên begins

The Việt Minh launched the Border Campaign along the China-Vietnam frontier. Its victory opened supply links to China and weakened French positions along Route Coloniale 4. Vietnamese military...

The U.S. created a Military Assistance Advisory Group to administer aid to French forces and the French-associated State of Vietnam, Laos, and Cambodia. The move deepened Washington’s material...

French-led troops and associated Vietnamese units left Cao Bằng along Route Coloniale 4 as Việt Minh forces tightened pressure on the frontier. The withdrawal exposed the danger of the French...

After the Cao Bằng evacuation, a French relief force under Marcel Le Page was trapped near Cốc Xá. Its defeat helped break French control along Route 4 and demonstrated how mobile Vietnamese forces...

The Việt Minh opened a campaign across the central Red River Delta, seeking to disrupt French control and stretch forces protecting the Hanoi-Hải Phòng corridor. The campaign formed part of the...

The campaign concluded after weeks of fighting in the Việt Trì-Vĩnh Yên-Phúc Yên region. French forces retained key positions, but the fighting showed that control of towns and roads did not translate...

The Việt Minh began a campaign against French positions along Route 18, a strategic transport and mining corridor in the northeast. The campaign tested French defenses while drawing on the growing...

The operation ended after sustained attacks on French defenses between Phả Lại and Uông Bí. Tactical outcomes were mixed, but the campaign kept French forces under pressure and was part of a wider...

Việt Minh forces launched a campaign against French positions in the Đáy River region. The operation sought to challenge the French-supported local defense system and expand the resistance into a...

The campaign ended after operations from southern Phủ Lý toward Yên Mô. Its history is often described through military outcomes, but the fighting also took place among communities facing competing...