Individual #Dien_Bien_Phu  the French military base fell after a 56-day siege by Vietnam troops; ended the involvement of France in Indochina in 1954
  part of:  #Vietnam
  type:  #siege__besieging__beleaguering__military_blockade  the action of an armed force that surrounds a fortified place and isolates it while continuing to attack

No statement uses or specializes #Dien_Bien_Phu; click here to add one.