1935– Opening of the Pius IX Catholic Action building designed by Stefan Szyller, completed by Konstanty Jakimowicz.

The Roma Cinema was located in the Lecture Hall. It was equipped with the then latest cinema machines: Western Electric and Wurlitzer’s concert organs.

Occupational years. The building was the headquarters for Radar Glówna Opiekuñcza (Central Welfare Council) focused on charity aid for Poles.

1948– The Opera and Warsaw Philharmonic are moved to the 49 Nowogrodzka Street building.

1965– The Warsaw Opera changes its name to Teatr Wielki Opera i Baletu (The Grand Opera and Ballet Theatre) and is moved to Teatralny Square...