istoryworld
All Events
English geologist Arthur Holmes publishes The Age of the Earth, offering evidence that the planet is at least 1.6 billion years old
The Spanish government grants a degree of administrative autonomy to four provinces of Catalonia
The Woolworth Building opens in New York as the world's tallest skyscraper, a distinction it retains until 1930
Lawrence Bragg and his father, William, together develop X-ray crystallography, based on the diffraction patterns of crystals
The Morris company launches the Morris Oxford, later known as the Bullnose Morris from the shape of its radiator
The Canadian Arctic Expedition, led by Vilhjalmur Stefansson, sets off to the north
Compton Mackenzie publishes the first volume of his autobiographial novel Sinister Street
Bernard Shaw's Pygmalion has its first performance – in a German version in Vienna
Marcel Duchamp creates Bicycle Wheel, his first 'assisted readymade', consisting of the wheel screwed upside down on a painted wooden stool
Igor Stravinsky and Vaslav Nijinsky provoke uproar in Paris with The Rite of Spring for Ballets Russes
Italian Futurist sculptor Umberto Boccioni suggests human movement in his Unique Forms of Continuity in Space
US poet Robert Frost publishes his first book of poems, A Boy's Will
The Treaty of London, ending the First Balkan War, allows Albania, Bulgaria, Greece and Serbia to divide up much of European Turkey
The cubist movement enters its second phase, deriving from the use of collage and known as Synthetic cubism
French physicists Charles Fabry and Henri Buisson discover the ozone layer in the stratosphere
The Danish physicist Niels Bohr uses quantum theory as a key to understanding the structure of the atom
Alfred North Whitehead and Bertrand Russell complete a work of mathematical logic, Principia Mathematica
Frederick Soddy uses the term 'isotope' (Greek for 'same place') to describe observed anomalies in the periodic table
18-year-old Norwegian soprano Kirsten Flagstad makes her debut in Oslo
Maxim Gorky publishes Childhood, the first volume of his autobiographical trilogy
Henry Ford pioneers the moving assembly line in the manufacture of cars at his company's Michigan plant
A suffragette, Emily Davison, dies after throwing herself under the king's horse in the Derby at Epsom
Bulgaria launches the Second Balkan War, in the end to the great detriment of Bulgarian interests
Albert Schweitzer and his wife become missionaries at Lambaréné in west Africa
The so-called Cat and Mouse Act is the British government's response to hunger strikes by suffragettes
