What happened at Dien Bien Phu in 1954? The French signed the Geneva Accords. Eisenhower delivered a speech about the domino theory. The Vietminh laid siege to a garrison of French troops who then surrendered. Ho Chi Minh established the headquarters for the Vietminh.
This day is known as The Battle of Dien Bin Phu, where the Viet Minh forces won over the French. The Geneva Accords were signed later as a result of this and the correct answer is: The Vietminh laid siege to a garrison of French troops who then surrendered.
