On May 25, 1869, the Haus am Ring was officially opened with Mozart’s Don Giovanni
The opera house has remained at the focus of interest ever since. The Wiener Staatsoper formally opened on 25 May 1869 with Mozart’s Don Juan. The event was followed with excitement, not only by the public in Vienna but also outside the Hapsburg Empire. It has been an internationally important institution for a century and a half, and the concerns of the Vienna opera have always been matters of public interest to a degree unmatched by any other city worldwide.
A few days ago Opera celebrated birthday. Look this: