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).
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.
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
L'Arbre (The Tree)
La Femme aux Phlox
J. W. Godward
A Cool Retreat
Noon Day Rest
Reverie (first version)
Landscape with Bathing Women
Standing Child (Fränzi Standing; color woodcut)
Goscombe John – The Boy Scout
Wassily Kandinsky – Improvisation 7
Ernst Ludwig Kirchner
Fränzi in front of Carved Chair
Standing Nude with Hat
Mikhail Larionov – Self-portrait
John Lavery – Mrs Lavery sketching
Fernand Léger – Nudes in the forest (Nus dans la forêt)
Wilhelm Lehmbruck – sculptures
Standing female figure
L. S. Lowry – Clifton Junction Morning
Bertram Mackennal – Profile head of King George V for British Empire medals and coins
Aristide Maillol – Flora, Nude (bronze cast of c.1965 at Museum of Fine Arts, Houston)
Franz Marc – Horse in a Landscape
Dance (final version)
Nu à la cheminée (Nude)
Deux Nus (Two Nudes)
William Orpen – Self Portrait
Pablo Picasso – Portrait of Daniel-Henry Kahnweiler
Arthur Rackham – Illustrations to Der Ring des Nibelungen (publication begins)
Nude (National Museum of Serbia, Belgrade)
Henri Rousseau – The Dream
Kneeling nude self-portrait
Portrait of Eduard Kosmack
Valentin Serov – Ida Rubenstein
Pedro Subercaseaux – The Open Cabildo of 22 May 1810
Adolf Wölfli – Irren-Anstalt Band-Hain
January to June
January 6 – Wright Morris, American novelist, photographer, and essayist (d.1998).
January 29 – Colin Middleton, Irish artist (d.1983).
February 20 – Julian Trevelyan, English printmaker (d.1988)
March 10 – David Rose, American animator (d.2006).
March 18 – Leonard Bocour, paint-maker, painter (d. 1993)
April 24 – Fuller Potter, American Abstract expressionist artist (d.1990)
April 29 – Edward Wesson, English watercolour artist (d.1983)
Hugh Casson, British architect, interior designer, artist, writer and broadcaster (d.1999).
Franz Kline, painter (d.1962).
June 6 – Hélène de Beauvoir, French painter (d.2001).
C. C. Beck, American cartoonist and comic book artist (d.1989).
Fernand Fonssagrives, French photographer (d.2003)
June 17 – Raymond Poïvet, French cartoonist (d.1999)
July to December
14 July – William Hanna, American cartoonist (d.2001).
22 July – Antonio Rodríguez Luna, Spanish painter (d.1985).
30 July – Edgar de Evia, Mexican-born American photographer (d.2003).
1 August – James Henry Govier, English painter (d.1974).
19 August – Quentin Bell, English art historian and author (d.1996).
25 August – Dorothea Tanning, American painter (d. 2012).
28 August – Morris Graves, painter and printmaker (d.2001).
3 September – Kitty Carlisle Hart, American singer, actress and New York State Council on the Arts member (d. 2007).
7 October – Henry Plumer McIlhenny, American, art collector, philanthropist and chairman of Philadelphia Art Museum (d. 1986).
29 October – Aurélie Nemours, French painter (d.2005).
28 November – Garrett Eckbo, landscape architect (d.2000).
2 December – Russell Lynes, American art historian, photographer and author (d. 1991).
February 14 – John Macallan Swan, English painter and sculptor (b. 1847)
March 11 – Willis E. Davis, American landscape painter (b. 1855; suicide at sea)
March 21 – Nadar, French photographer and caricaturist (b. 1820)
April 13 – William Quiller Orchardson, British portrait painter (b. 1835)
May 1 – John Quincy Adams Ward, American sculptor (b. 1830)
May 16 – Henri-Edmond Cross, French pointillist painter(b. 1856)
June 28 – Petar Ubavkić, Serbian sculptor and painter (b. 1852)
September 2 – Henri Rousseau, French primitive painter (b. 1844)
September 7 – William Holman Hunt, English pre-Raphaelite painter (b. 1827)
September 10 – Emmanuel Frémiet, French sculptor (b. 1824)
September 29 – Winslow Homer, American marine painter (b. 1836)
November 14 – John LaFarge, American painter and stained glass artist (b. 1835)