On the occasion of the 1086th anniversary of King Ngô Quyền’s ascension and the establishment of the capital at Cổ Loa, the Thăng Long – Hà Nội Heritage Conservation Center and the Management Board of the Cổ Loa Relic Site, in coordination with the People’s Committee of Đông Anh District, the Department of Culture, Science & Information of Đông Anh District, and the People’s Committee of Cổ Loa Co