Events from the year 1910 in art. Events April 27 – Futurist poet Filippo Tommaso Marinetti issues the manifesto Contro Venezia passatista ("Against Past-loving Venice") in the Piazza San Marco. Robert Delaunay marries Sonia Terk. Bronze sculptor Robert Kionsek joins the Berlin workshop of Ferdinand Preiss to form the PK firm; the two men combine their specialties to produce sculptures in bronze and ivory. Czech art historian Antonin Matějček uses the term Expressionism, in opposition to impressionism. Russian composer Alexander Scriabin writes Prometheus: The Poem of Fire, Op. 60, a symphonic work for piano, orchestra, optional choir, and clavier à lumières or "Chromola" (a color organ invented by Preston Millar). A replica of Michelangelo's statue of David is installed on the Piazza della Signoria in Florence (where the original stood from 1504 to 1873). Exhibitions March 18 – May 1 – Salon des Indépendants: Jean Metzinger, Henri Le Fauconnier and Robert Delaunay are shown together in Room 18. Metzinger exhibits Portrait de Guillaume Apollinaire, considered by Apollinaire to be the first cubist portrait. July 15 – October 9 – First International Art Exhibition in Düsseldorf (Kunstpalast), organized by Sonderbund westdeutscher Kunstfreunde und Künstler. October 1 – November 8 – Salon d'Automne: Jean Metzinger, Henri Le Fauconnier and Fernand Léger exhibit in Room VIII. Following this salon Metzinger writes his important Note sur la peinture article (published in Pan (Paris), October–November 1910), depicting the new art movement of Pablo Picasso, Georges Braque, Robert Delaunay and Henri Le Fauconnier, noting that these artists (himself included) "discarded traditional perspective and granted themselves the liberty of moving around objects." This is the Cubist concept of "mobile perspective" that would tend towards the representation of the "total image" (an object seen from various view-points simultaneously). November 8 – January 15, 1911 – Manet and the Post-Impressionists at the Grafton Galleries in London, organized by Roger Fry, introduces the term Post-Impressionism. Works Henry Bacon and Daniel Chester French James Oglethorpe Monument Statue of Samuel Spencer Umberto Boccioni – The City Rises Hanns Bolz – Portrait of Alfred Flechtheim Pierre Bonnard – Girl with Parrot Joachim-Raphaël Boronali (pseudonym of a donkey, Lola) – Et le soleil s'endormit sur l'Adriatique Georges Braque – Violin and Candlestick Henri-Edmond Cross – Cypresses at Cagnes Salvador Dalí (age 6) – Landscape Near Figueras Lyonel Feininger – Straße im Dämmern Albert Gleizes L'Arbre (The Tree) La Femme aux Phlox J. W. Godward