Weapons Moving Along Ho Chi Minh Trail:  North Vietnam forms Group 559 to begin infiltrating cadres and weapons into South Vietnam via the Ho Chi Minh Trail.  The Trail will become a strategic target for future military attacks.

U.S. Servicemen Killed in Guerilla Attack:  Major Dale R. Buis and Master Sargeant Chester M. Ovnand become the first Americans to die in the Vietnam War when guerillas strike at Bienhoa.

Diem Orders Crackdown on Communists, Dissidents