Opernball
Opernball (German for Opera Ball) may refer to: Der Opernball, an 1898 operetta by Richard Heuberger Opernball (novel), a 1995 novel by Josef Haslinger Opernball (film), a 1998 television political thriller by Urs Egger based on Haslinger's novel Vienna Opera Ball or Wiener Opernball, an annual society event held at the Vienna State Opera (since 1935) Budapest Opera Ball or Budapester Opernball, an annual charity event at the Budapest Opera (since 1886) Viennese Opera Ball in New York or Wiener Opernball in New York, a charity event at Waldorf Astoria (since 1956) Oslo Operaball in Norway.