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19531954195419541954
Michael CarricoMichael Carrico
Updated:Apr 23, 2026
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Siege and Battle of Dien Bien Phu (March–May 1954)

Siege and Battle of Dien Bien Phu (March–May 1954)

  1. French launch Operation Castor at Dien Bien Phu

    Labels: Operation Castor, i n, French Union

  2. Operation Castor completes occupation of the valley

    Labels: Operation Castor, French airborne, i n

  3. Viet Minh open the siege with attack on Béatrice

    Labels: Viet Minh, B atrice, artillery assault

  4. Strongpoint Gabrielle falls after overnight fighting

    Labels: Gabrielle strongpoint, Viet Minh, French encirclement

  5. Anne-Marie position collapses amid desertions

    Labels: Anne Marie, auxiliary desertion, French garrison

  6. Major assaults seize parts of Dominique and Éliane

    Labels: Dominique strongpoint, liane strongpoint, Viet Minh

  7. Most Huguette strongpoints fall, airfield becomes untenable

    Labels: Huguette strongpoints, airfield untenable, trench networks

  8. Geneva Conference opens as defeat looms

    Labels: Geneva Conference, Indochina negotiations, Diplomatic opening

  9. Final Viet Minh assault begins on remaining positions

    Labels: Final assault, Dominique, liane

  10. French garrison surrenders at Dien Bien Phu

    Labels: French garrison, Viet Minh, Dien Bien

  11. Indochina talks begin at Geneva, day after garrison falls

    Labels: Geneva talks, Indochina negotiations, Post-surrender

  12. Pierre Mendès France becomes French premier amid crisis

    Labels: Pierre Mend, French premier, Government change

  13. Geneva Accords signed, ending the Indochina War

    Labels: Geneva Accords, Cease-fire, 17th Parallel