The peace treaty with Germany, ending the world war, is signed in the Hall of Mirrors at Versailles

The Versailles Treaty declares that Germany must pay reparations for wartime damages, with the precise amount to be decided by May 1921

The peace-makers in Paris assign the Sudetenland, with its 3.5 million German-speaking inhabitants, to the new republic of Czechoslovakia

The Versailles Treaty makes Danzig (or Gdansk) a free city (from 10 January 1920), under the protection of the League of Nations

The Versailles Treaty provides a corridor of land to give Poland access to Danzig and the Baltic, thereby dividing two parts of Germany

The German-speaking inhabitants of South Tirol are incorporated within Italy under the Versailles peace terms

A right-wing military putsch seizes power for a few days in Berlin

After several less successful novels, the French writer Colette makes her reputation with Chéri

A plebiscite in Schleswig establishes the border between Denmark and Germany

Vladimir Tatlin's model for a gigantic Monument to the Third International becomes one of the most significant examples of Constructivism

Bristol-born actor Cary Grant moves to the USA with a troupe of touring tumblers

The Japanese potter Shoji Hamada accompanies Bernard Leach on his return to England

Mustafa Kemal Atatürk is elected president of Turkey's new Grand National Assembly

The Meccano company launches the first of its Hornby model trains

Sapper's patriotic hero makes his first appearance, taking on the villainous Carl Peterson in Bull-dog Drummond

A Communist uprising in the Ruhr is suppressed with difficulty by the German army

The German Workers' Party, with Adolf Hitler as one of its leading members, changes its name to the Nazi party

Charles-Édouard Jeanneret launches and edits a radical architectural journal, L'Esprit Nouveau

The Swiss architect Charles-Édouard Jeanneret adopts the simpler Le Corbusier as a pseudonym in L'Esprit Nouveau

D.H. Lawrence's Women in Love, a continuation of the family story in The Rainbow, is published first in the USA

The Government of Ireland Act provides for separate devolved parliaments in southern Ireland and the six counties of Ulster

The Marconi studio in the English town of Chelmsford broadcasts Dame Nellie Melba live to Europe and to ships on the Atlantic

A group of composers in Paris - Auric, Durey, Honegger, Milhaud, Poulenc and Tailleferre - become known as 'les Six'

The brutal behaviour of the British police reinforcements, the Black and Tans, aggravates the violence in Ireland

The Belgian detective Hercule Poirot features in Agatha Christie's first book, The Mysterious Affair at Styles