Rusalka (opera) was written by the Italian poet born in the place that is also referred to by the name Italian Kingdom. The Hussites were a pre-Protestant Christian movement that began in this place.
Jaroslav Kvapil (25 September 1868 in Chudenice, Kingdom of Bohemia  10 January 1950 in Prague) was a Czech poet, playwright, and librettist. 
The Kingdom of Bohemia, sometimes in English literature referred to as the Czech Kingdom (Czech: "esk krlovstv" ; German: "Knigreich Bhmen" ; Latin: "Regnum Bohemiae" , sometimes Latin: "Regnum Czechorum" ), was a medieval and early modern monarchy in Central Europe, the predecessor of the modern Czech Republic. 
 114, is an opera ('lyric fairy tale') by Antonn Dvok. 
The Hussites (Czech: "Husit" or "Kalinci"; "Chalice People") were a pre-Protestant Christian movement which began in the Kingdom of Bohemia and followed the teachings of Czech reformer Jan Hus, who became the best known representative of the Bohemian Reformation. 
