The civil war ends as the last White army on Russian soil escapes from the Crimea

The IRA and the British security forces clash during a violent 'Bloody Sunday' in Dublin

Italian troops drive Gabriele d'Annunzio and his followers from Fiume, which they have occupied for more than a year

A punitive peace treaty, negotiated at Sèvres, is designed to dismember the Ottoman empire

The body of an Unknown Warrior, selected at random from British war graves, is buried at the entrance to Westminster Abbey

With massive force, and huge casualties, Lenin puts an end to a naval mutiny at Kronstadt

Marie Stopes and her husband set up in London a Mothers' Clinic for Birth Control, the first of its kind in Britain

In a major economic U-turn, Lenin's New Economic Policy allows peasants to hold markets and sell the surplus of their product

The commission considering the level of Germany's war reparations to the Allies decides on $33 billion

Some 50,000 peasants are herded into Russia's first concentration camps

Within a five-week period the Italian playwright Luigi Pirandello writes two masterpieces, Six Characters in Search of an Author immediately followed by Henry IV

The republican party Sinn Fein is unopposed in southern Ireland's first general election, and so wins every available seat in the Dail

Mussolini and 35 of his Fascist colleagues win seats in the Italian parliament

The Sinn Fein members of southern Ireland's new parliament assemble on their own, under the name Dáil Eireann (Assembly of Ireland)

Alfred Adler, in Vienna, opens the first of many child-guidance clinics

Paul Klee becomes a teacher at the Bauhaus in Weimar

The Czech playwright Karel Capek gives the world the term 'robot', in the title of his play Rossum's Universal Robots

Russian author Maxim Gorky goes abroad for medical treatment and lives for the next seven years in Italy

Envoys sent to London by de Valera agree independence for southern Ireland as the Irish Free State, with Dominion status

The Anglo-Irish Treaty, agreed in London, ends the war between the British army and the IRA

The Swiss architect Le Corbusier begins a 20-year partnership with his cousin, Pierre Jeanneret

Adolf Hitler becomes leader of the Nazi party, which now has about 3000 members

The British parliament ratifies the Anglo-Irish treaty, but de Valera repudiates it and resigns as president of the Dáil

Somerset Maugham's short story 'Rain' (in his collection The Trembling of a Leaf) introduces the lively American prostitute Sadie Thompson

The British airship R-38 bursts into flames on its fourth flight and crashes into the Humber