National Anthem of the Kingdom of Yugoslavia
The "National anthem of the Kingdom of Yugoslavia" was created in December 1918 from the national anthems of the Kingdom's three historical constituent lands: Kingdom of Croatia-Slavonia, Kingdom of Serbia and Duchy of Carniola. Wikipedia
Lyricists: Antun Mihanović, Simon Jenko, and Jovan Đorđević
Composers: Davorin Jenko and Josip Runjanin