A1 hill vestiages situated in the East of Dien Bien Phu base group. The French Colonel De Castries named Helene , one of the eight gorgeous beaties with his incouragements to the French troop. With hope that, his soliders could protect this hill like they maintained the beauty. The Vietname leaders put the name A1 to attack the most important base to step into French Colonel De Castries tunnel in order to gain the victory of the whole campain.
Many troops and strong firepower with solid fortifications were deployed with the hope to stop VietMinh from any direction because the enemy could keep their eyes on their opponents from the top of the hill. Being one of the most glorious victory which was leading the French colonial countries to struggle for their independence.
Vietnamese soliders dig a long trench to lay 1000kg of explosive; detonated in the night of May 6th , 1954. They show the best bravery, not afraid of death, controlled A1 hill to pave the way for the last attack in the French Headquarters
Having gained the A1 hill, after 39 nights, this victory put an end to French rules in Indochina War ( 1945 -1954).