The first major revolt of the 1848-1849 German revolutions began in Vienna.
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Johannes Brahms Symphony No. 2 in D Major premiered in Vienna.
A fire destroyed Vienna's Ring Theater, which killed between 640-850 people.
Ludwig van Beethoven's 9th (Chorale) Symphony premiered in Vienna.
The opera 'Die Entführung aus dem Serail' by Wolfgang Amadeus Mozart premiered in Vienna, Austria.
Mozart's last opera, 'The Magic Flute,' premiered in Vienna.