Easter Offensive
The Easter Offensive , officially known as The 1972 Spring - Summer Offensive ( ' ) by North Vietnam , or Red fiery summer ( ' ) as romanticized in South Vietnamese literature , was a military campaign conducted by the People's Army of Vietnam ( PAVN , the regular army of North Vietnam ) against the Army of the Republic of Vietnam ( ARVN , the regular army of South Vietnam ) and the United States military between 30 March and 22 October 1972 , during the Vietnam War . 
<triplet> Easter Offensive <subj> 22 October 1972 <obj> point in time <subj> Vietnam War <obj> part of <triplet> People's Army of Vietnam <subj> Vietnam War <obj> conflict <triplet> Vietnam War <subj> North Vietnam <obj> participant <subj> South Vietnam <obj> participant