[1] It was opened on 4 October 1747, the name day of her husband, Francis I, Holy Roman Emperor.

[2] The empress, who appeared in opera and theatre, watched her children perform in tableaux vivants.

[3] Operas by Christoph Willibald Gluck premiered there, L'arbre enchanté in 1759, and Il Parnaso confuso in 1765.

[1] Before World War I, the building was used as storage for furniture,[2] but after the imperial belongings were stolen in 1919, plays were again performed during the summer by the Burgtheater, directed by Albert Heine, until 1924.

[5] In 1929, the Schlosstheater was given to the Max Reinhardt Seminar as a rehearsal stage, which has used it, together with the opera department of the Universität für Musik und darstellende Kunst, from October to June.