1900s
- 1909 – Frank Lloyd Wright completes the Robie House near Chicago.
- 1908 – Adolf Loos publishes his essay "Ornament and Crime".
- 1907 – Gaudí completes the Casa Batlló in Barcelona.
- 1906 – Lucien Weissenburger completes his own house, a striking example of the Art Nouveau style in Nancy, Meurthe-et-Moselle.
- 1905 – Wright designs Unity Temple in Oak Park, Illinois.
- 1904 – Otto Wagner completes his Post Office Savings Bank Building in Vienna.
- 1903 – Josef Hoffmann finishes the Moser House in Vienna.
- 1902 – Otto Wagner's Viennese Stadtbahn railway system is completed.
- 1901 – Peter Behrens completes his house at the Art Nouveau colony at Darmstadt, Germany.
- 1900 – The Gare d'Orsay, now the famous Musée d'Orsay, is built in Paris by Victor Laloux.
Read more about this topic: Timeline Of Architecture