The 264th evening of the season.

Giuseppe Verdi, Aïda (for the 1st time this season).

Pertinent newspaper articles from the following sources are in the archives:

Neues Wiener Journal, April 30, 1898 (Wien).
Neue Freie Presse, April 30, 1898 (Wien).
Wiener Abendpost, April 30, 1898 (Wien).
Fremden-Blatt, April 30, 1898 (Wien).