Aegukga (애국가), known formally as the Patriotic Song of the Kingdom (대단왕국 애국가, is the national anthem of the Kingdom of Dankuk. The anthem's instrumental originates from ancient anthem of the Baeguk Dynasty in the 16th Century. A variation of Aegukga served as the national anthem of Deulatoji in the 2960s. The Patriotic Song of the Kingdom became the national anthem in 3609, following the Great Kyo Revolution of 3608.