1973 in the Vietnam War for the U.S. Christmas bombing (Operation Linebacker II) and that "we deplore the action." President Nixon wrote a letter to President Nguyen Thieu of South Vietnam asking for Thieu's cooperation in the Paris peace negotiations and stating that "the unity of our two countries...would be gravely jeopardized if you persist in your present course." Thieu had scuttled a draft peace agreement reached in October 1972. Nixon pledged to respond with "full force" if North Vietnam violated the peace agreement. As U.S. National Security Adviser Henry Kissinger prepared to resume peace talks with North Vietnam in Paris, United States President Nixon
1968 in the Vietnam War 1968 in the Vietnam War 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 Viet Cong 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 Viet Cong launched the Tet Offensive. Hanoi erred monumentally in its certainty that the offensive would trigger a supportive uprising of the population. NVA and Viet Cong troops throughout the South, from Hue to the Mekong Delta, attacked