All Events
Charlie Chaplin makes The Gold Rush, involving his little tramp in the horrors of wintry Alaska
Benito Mussolini arrests opposition politicians, takes control of the press and assumes dictatorial powers in Italy
The Central Committee of the USSR removes Trotsky from his influential post as War Commissar
Trumpeter Louis Armstrong, in Chicago, forms the Hot Five with his wife on piano and three New Orleans musicians on trombone, clarinet and guitar
Harold Ross founds The New Yorker as a humorous weekly, and remains in charge of it until his death in 1951
Strawberry Hill is sold to the Catholic Education Council and becomes known as St Mary's College, later St Mary's University College.
The first volume of Adolf Hitler's Mein Kampf is published
Scott FitzGerald publishes his novel The Great Gatsby, set in a contemporary world of lavish indulgence underpinned by crime
DuBose Heyward publishes his first novel, Porgy, set in Charleston's Catfish Row
23-year-old German physicist Werner Heisenberg publishes his ground-breaking theory of quantum mechanics
Field marshal Paul von Hindenburg is elected president of the Weimar Republic in Germany
The Soviet director Sergei Eisenstein completes his film about the 1905 revolution, The Battleship Potemkin
26-year-old Al Capone takes over the Johnny Torrio gangster organization in Chicago
Britain and other nations return to a revived version of the gold standard, under the new name of Gold Exchange Standard
House by the Railroad, by US painter Edward Hopper, introduces a new style of urban realism
Maurice Ravel and Colette provide music and libretto for the opera The Child and the Enchantments
Plaid Cymru, the 'party of Wales', is founded in a temperance hotel in Pwllheli during the National Eisteddfod
The Broadway revue Garrick Gaieties is the first big success for Rodgers and Hart
A fashionable new style, Art Deco, derives its name from a Paris exhibition called the Exposition Internationale des Arts Décoratifs Industriels et Modernes
Austrian physicist Wolfgang Pauli formulates his exclusion principle, stating that no two electrons in an atom can have the same four quantum numbers
A Protocol signed in Geneva probibits the use in warfare of poisonous gas and bacteriological weapons

Franz Kafka's novel The Trial is published posthumously
English writer Ivy Compton-Burnett finds her characteristic voice in her second novel, Pastors and Masters
Anton Webern again follows Schoenberg, this time into serialism, when he adopts the 12-note method for his Three Traditional Rhymes
Irish novelist Liam O'Flaherty publishes The Informer