# Battle of Dien Bien Phu (1954)

URL: https://history-france.com/timeline/1954-battle-of-dien-bien-phu
Location: Vietnam
Categories: battle, main-event

Viet Minh forces defeated the French garrison, ending France’s effort to retain Indochina. Within the broader Occupation, Liberation & Fourth Republic period, Defeat in 1940 divided France between Vichy, occupation and resistance. Liberation restored republican government, followed by reconstruction, welfare-state building, European integration and violent decolonization under the Fourth Republic. At this point in the timeline, the relevant governing authority is René Coty (President of the French Republic). Battle of Dien Bien Phu mattered because it changed the military or territorial balance and influenced the political choices that followed. The event is positioned here so visitors can read it alongside changes in government, warfare, society, religion, culture and France’s wider international setting.

## Why it matters
Battle of Dien Bien Phu mattered because it changed the military or territorial balance and influenced the political choices that followed.

Ruler at the time: [René Coty](https://history-france.com/rulers/rene-coty)

## Sources
- [Wikipedia topic lookup — Battle of Dien Bien Phu](https://en.wikipedia.org/wiki/Special:Search?search=Battle+of+Dien+Bien+Phu&go=Go)
- [Encyclopaedia Britannica topic lookup — Battle of Dien Bien Phu](https://www.britannica.com/search?query=Battle+of+Dien+Bien+Phu)
- [Vie-publique — French institutions and history](https://www.vie-publique.fr/)