The Royal Opera House opened at Covent Garden, London, England.
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Opera singer Andrea Bocelli started his career in the production of 'La bohème' in Cagliari.
Beethoven premiered Fidelio in Vienna, Austria, which was his only opera.
The 'Grease' musical production opened at the Eugene O' Neill Theater in New York City, running for 1,503 performances.
Mozart's last opera, 'The Magic Flute,' premiered in Vienna.
The Rocky Horror Picture Show premiered at the Belasco Theater, New York City, US, and ran for 45 performances.
