WBEZ brings you unbiased news and information. Sign up for our newsletters to stay up to date on the stories that matter.May 7th marks a major turning point in the history of east Asia. On May 7, 1954 in Vietnam, the Viet Minh forces conquered the French outpost at Dien Bien Phu. WBEZ history blogger John Schmidt takes us back in history. (Photo: AP Images).