2012 Event The Vietnamese government asks for help from the World Health Organization after an outbreak of an unidentified fatal disease occurs in Quang Ngai Province 1972 Event Vietcong forms revolutionary government in Quang Tri South Vietnam 1972 Event North Vietnamese troops occupy Quang Tri Activities Committee 1963 Death Quang Duc, Buddhist monk, immolates himself on a street in Saigon 1788 Event Hue Tay Son becomes emperor Quang Trung of Vietnam