Vietnam By nb3083 Mar 14, 1945 Vietnam War Starts Jun 1, 1950 North Vietnam invades South Vietnam Mar 12, 1961 400 Green Berets enter Vietnam to help teach the South Vietnamese how to fight Mar 14, 1961 CIA helps with fortifications for village defenses Mar 14, 1964 North Vietnamese pushed more soilders down the Ho Chi Minh Trail Aug 14, 1964 LBJ gets a functional decleration of war from congress Mar 14, 1969 Over 500,000 American Soldiers are involved in the Vietnam Conflict Mar 14, 1970 The US invades Cambodia Jan 14, 1973 Nixon calls for a ceasefire Mar 14, 1975 The war ends