The Hung King Temple Festival is annually held from 8th to the 11th days of the third lunar month. The main festival day is on the 10th day of the third lunar March, on which the National Assembly has approved Vietnamese working people to annually have one more national holiday to mark the anniversary of the Hung Kings death. Every year, on this traditional occasion, Vietnamese people worldwide join their brothers and sisters in spirit to observe Vietnam National Day in commemoration of their ancestors. The main ceremony takes place at the Hung Temple on Nghia Linh Mountain in Phong Chau District, Phu Tho Province, about 85km northwest of Hanoi. The Hung King Temple Festival is one of the most important and sacred festivals of the Vietnamese people, deeply imbedded in the minds of every Vietnamese citizen, regardless of where they originated from. Câu hỏi: Why is the festival held?