Fidelio You have by your co-operation saved what is best from the shipwreck. For all this I shall be eternally grateful to you." The full score was not published until 1826, and all three versions are known as Beethoven's Opus 72. The first performance outside Vienna took place in Prague on 21 November 1814, with a revival in Vienna on 3 November 1822. In its two-act version, the opera was staged in London on 18 May 1832 at the King's Theatre, and in New York on 9 September 1839 at the Park Theatre. "Fidelio" was Arturo Toscanini's first complete opera performance
Fidelio the Vienna State Opera was re-opened with "Fidelio", conducted by Karl Böhm. This performance was the first live television broadcast by ORF at a time when there were about 800 television sets in Austria. The first night of "Fidelio" at the Semperoper in Dresden on 7 October 1989 on the occasion of the 40th anniversary of the DDR (East Germany) coincided with violent demonstrations at the city's main train station. The applause after the "Prisoners' Chorus" interrupted the performance for considerable time, and the production by had the chorus appear in normal street clothes at the end, signifying their role