Archival fact: the singer was the lead performer of the anniversary production.
In 1900 Solomiya Krushelnytska sang the lead in the 500th jubilee staging of Moniuszko's Halka at the Grand Theatre in Warsaw. The source gives the year without an exact day.
Source: https://uk.wikipedia.org/wiki/Крушельницька_Соломія_Амвросіївна
