Following the tradition of "No matter where you go, remember the Hung Kings' death anniversary on the tenth day of the third lunar month", on the morning of April 18 (March 10, Giap Thin year), Prime Minister Pham Minh Chinh attended the incense offering ceremony to commemorate the Hung Kings at Kinh Thien Palace on Nghia Linh Mountain in the Hung Kings Temple National Historical Site in Viet Tri City, Phu Tho Province. The incense offering ceremony was organized by the Party Committee, government and people of Phu Tho Province on behalf of compatriots, soldiers nationwide and overseas Vietnamese.