In 1999, the library was expanded with an impressive modern building, soon nicknamed “The Black Diamond” for its glittering glass façade that lights up Copenhagen’s waterfront. This architectural gem, designed by schmidt hammer lassen architects, unites history with contemporary demands for functionality and aesthetics, standing as a symbol of the library’s ongoing role as a center for knowledge, research, and culture.
The Black Diamond houses reading rooms, exhibitions, and conference facilities, and remains a popular spot for both researchers and visitors who wish to explore Denmark’s literary and historical heritage.











