Multi-purpose hall, built 1911-1913 as "Jahrhunderthalle" by Max Berg with Richard Konwiarz. Opened 10 Mar 1913 with Gerhart Hauptmann's "Festspiel in deutschen Reimen". At the time of its building, the hall had the largest unsupported dome in the world. After World War II renamed "Hala Ludowa" [People's Hall]. Capacity: 6,000 seats (or 20,000 standing).