1871.05.24 the palace of the Tuileries was destroyed by the commune
1871.05.24 the Commune destroyed the old Hôtel de Ville in Paris
In 1871 Semper was made architect of the new Museums and the Hofburgtheater in Vienna.
Philadelphia City Hall
Furness and Hewitt, Pennsylvania Academy of the Fine Arts (Philadelphia: Broad Street elevation, 1871-76).