1954 in the Vietnam War 5 April The National Security Council met again to consider U.S. intervention at Điện Biên Phủ. The Army, including Army Chief of Staff General Matthew Ridgway, was negative, stating that U.S. intervention would require 7 army divisions and heavy air support. 7 April President Eisenhower used the phrase "falling dominoes" in a press conference. This was the origin of the domino theory which postulated that if Vietnam became communist the other nearby states would soon follow. The domino theory was a prominent justification for the Vietnam War in the United States during the 1960s. 14 April Secretary of State John
Non-intervention in the Spanish Civil War Non-intervention in the Spanish Civil War During the Spanish Civil War, several countries followed a principle of non-intervention, to avoid any potential escalation and possible expansion of the war to other nations, which would result in the signing of the Non-Intervention Agreement in August 1936 and the setting up of the Non-Intervention Committee, which first met in September. Primarily arranged by the French and British governments, important members of the committee also included the Soviet Union, Fascist Italy and Nazi Germany. Ultimately, the committee had the support of 27 nations. A plan to control materials coming into the country was