Vietnamese land forc...: Vietnamese land forces fight at C1 hill during Dien Bien Phu campaign in an archived photo in 1954. The Dien Bien Phu campaign began March 13th, 1954 and 56 days later, French military hoisted the white flag to signal the end to one of the greatest battles of the 20th century. Vietnam is gearing up for the 50th anniversary of the 07 May victory which led to the signing of the 1954 Geneva agreement. KTS Photo/VNA /KTS