National Archives and Records Admin. The Library of Congress Picture Collection 1920 League of Nations holds first meeting at Geneva, Switzerland. First Agatha Christie mystery. Sinclair Lewis 's Main Street. 1921 Reparations Commission fixes German liability at 132 billion gold marks.
German inflation begins.
Major treaties signed at Washington Disarmament Conference limit naval tonnage and pledge to respect territorial integrity of China. Irish Free State , a self-governing dominion of British Empire, officially proclaimed. James Joyce's Ulysses . Occupation of Ruhr by French and Belgian troops to enforce reparations payments. Widespread Ku Klux Klan violence in U.S. Earthquake destroys third of Tokyo.