Národní listy 10/1/1863 published news of a series of ‘Redouty’ [‘Redout’ or ‘redoute’ was a term, common to both Czech and German, for a masked ball]. The source related: ‘Redouty [Redouts]. On Sunday in the New Town Theatre will take place the first masked ball. In total there will be during this year’s Carnival 7 masked balls, specifically the first on Sunday and the last on Shrove Tuesday.’ Národní listy 27/1/1863 published in its Theatre bill ‘On Monday 2nd February takes place Fourth Masked Ball in the New Town Theatre.’

A theatre bill published by Bohemia 26/1/1863 announced: ‘Monday 2nd February takes place the fourth Masked Ball in the New Town Theatre.’ Národní listy 31/1/1863 and 2/2/1863 also published theatre bills relating the same information.