Napoleon, director Abel Gance's ambitious silent film, premieres in France.

Le Temps retrouve (Time Regained), the final section of Proust's A la recherche du temps perdu (Remembrance of Things Past), is published in France, five years after Proust's death.

Ivan Pavlov publishes Conditioned Reflexes in the Soviet Union.

Martin Heidegger's classic of existentialist philosophy, Sein und Zeit (Being and Time), is published in Germany.

Der Steppenwolf(Steppenwolf), Hermann Hesse's mystical novel of the outsider, is published in Germany.

6 Jan.

Wireless communication between London and New York City is established for public use.

7 Mar.

An earthquake in Osaka and Kobe, Japan, kills five thousand.

7 Apr.

The British government in India convicts eighteen men of antigovernment activity and sentences three to death.

18 Apr.

Nationalist Kuomintang leader Chiang Kai-shek splits with radical Chinese Communists and sets up a government at Nanjing. On 17 December he breaks diplomatic ties with the Soviet Union.

The...