Mu isamaa, mu õnn ja rõõm

"Mu isamaa, mu õnn ja rõõm" ( , "My Fatherland, My Happiness and Joy") is the incipit of the national anthem of Estonia, first adopted in 1920.
This song has been around since the 19th century; its lyrics (words) were written in 1869 by Estonian poet Johann Voldemar Jannsen, and its melody—the same one used in Finland's national anthem "Maamme"—was composed in 1848 by Friedrich Pacius.
When the Soviets took control of Estonia in 1940, this anthem was banned, then four years later when the small Baltic country became part of the Soviet Union, a regional Soviet anthem was adopted. In May 1990, shortly before the Soviet Union fell, the Estonian Soviet Socialist Republic was renamed the "Republic of Estonia" and this anthem was adopted again.