More information: "Hung King's death anniversary" or "Hung Temple Festival" or "National death anniversary" is a Vietnamese holiday. This is a traditional Vietnamese festival commemorating the country-building efforts of the "Hung Kings"(the first monarchs who built the Vietnamese nation). The traditional ceremony is held every year on the 10th day of the third lunar month at Hung Temple in Viet Tri city, Phu Tho province and is celebrated and revered by Vietnamese people around the world.