The Vietnam War reached a grim milestone on July 8, 1959, when Major Dale R. Buis and Master Sergeant Chester M. Ovnand became the first Americans reported killed in South Vietnam, during a guerilla attack at Bien Hoa. Their deaths marked the beginning of increasing American military involvement in Vietnam, which would escalate into one of the most contentious and devastating conflicts of the 20th century. This date serves as a somber reminder of the human cost of war and the far-reaching effects of foreign policy decisions.