Polka give way to the two-step and new ragtime dances. Polka dancing enjoyed a resurgence in popularity after World War II, when many Polish refugees moved to the US, adopting this Bohemian style as a cultural dance. Polka dances are still held on a weekly basis across many parts of the US with significant populations of central European origin. It was also found in parts of South America. There are various styles of contemporary polka besides the original Czech dance, which is still the chief dance at any formal or countryside ball in the Czech Republic. One of the types found
Polka in the United States Polka Festival, SloveneFest, and Tony Petkovsek's Thanksgiving Polka Weekend. Beginning in the early 1970s, the phenomenon of "polka masses" began appearing. Polka masses are usually held by members of the Roman Catholic Church who consider the polka an important part of their ethnic heritages. The first polka mass was created by Father George Balasko in 1972 and the idea was spread by Father Frank Perkovich throughout the '70s and '80s. Both were polka musicians. In composing a polka mass, a musician either alters the lyrics of polka pieces to become more appropriate for a spiritual setting or creates an entirely