Unionists in Ulster aim to raise a Volunteer Force of 100,000 men, and begin drilling with dummy wooden rifles

Walter Sickert paints Ennui, depicting a difficult or dreary moment in a marriage

The Vickers Fighting Biplane No 1 is unveiled in London at the Olympia Aero Show as the world's first purpose-built fighter plane

The first issue of the New Statesman is published by Beatrice and Sidney Webb

English geologist Arthur Holmes publishes The Age of the Earth, offering evidence that the planet is at least 1.6 billion years old

Lawrence Bragg and his father, William, together develop X-ray crystallography, based on the diffraction patterns of crystals

Compton Mackenzie publishes the first volume of his autobiographial novel Sinister Street

The Treaty of London, ending the First Balkan War, allows Albania, Bulgaria, Greece and Serbia to divide up much of European Turkey

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

A suffragette, Emily Davison, dies after throwing herself under the king's horse in the Derby at Epsom

The so-called Cat and Mouse Act is the British government's response to hunger strikes by suffragettes

Frederick Delius completes On Hearing the first Cuckoo in Spring, first performed this same year in Leipzig

John Ireland sets Masefield's poem Sea Fever to music

English physicist Henry Moseley proposes that the atomic number of an element is a physical reality, thus laying the basis for the modern periodic table

The Irish National Volunteers are formed in Dublin, in response to the Protestant equivalent in Ulster

The march Colonel Bogey is written and published by a Royal Marine bandleader under the pseudonym Kenneth Alford

The Rugby Football Union acquires an additional 1.6 acres of land for Twickenham Rugby ground

D.H. Lawrence publishes a semi-autobiographical novel about the Morel family, Sons and Lovers

Leonard and Virginia Woolf move to Richmond, taking rooms at 17 The Green (now also called Richmond House)

A suffragette slashes the Rokeby Venus by Velázquez in London's National Gallery

British officers stationed at the Curragh in Dublin say they would resign if ordered to quell Protestant resistance in Ulster

Wyndham Lewis and others launch Vorticism with a new magazine, Blast

Vaughan Williams writes a romance for violin and orchestra, The Lark Ascending, inspired by George Meredith's poem of the same name

James Joyce's novel Portrait of the Artist as a Young Man begins serial publication in a London journal, The Egoist