 The hall has a capacity of 928 places, being conceived in the Neo-baroque style, with some inflexions inspired by the Secessionism in the decoration of the foyer.The Romanian National Theatre was officially opened on 18 September 1919, simultaneously with the Romanian Opera and Gheorghe Dima Music Academy.The inauguration performance, "Poemul Unirei" () by Zaharia Bârsan, took place on 1 December 1919.