High Quality Content by WIKIPEDIA articles! The year 1968 saw major developments in the Vietnam War. The military operations started with an attack on a US base by the Vietnam People`s Army (NVA) and the Vietcong on January 1, ending a truce declared by the Pope and agreed upon by all sides. At the end of January, the North Vietnamese and the Vietcong launched the Tet Offensive. Although militarily the operation was a failure for the Vietnamese communists, for them it was a propaganda victory, as on the home front the American public were shocked by the images they were seeing on their televisions.