The Interwar Period

• 28 May Coup and the End of the First Republic
• Alexander Fleming
• Anschluss — Annexation of Austria
• António de Oliveira Salazar
• Atatürk Abolishes the Ottoman Caliphate
• Austrian Civil War
• Battle of Sabilla and the Ikhwan Revolt
• Beer Hall Putsch
• Chinese Civil War — Shanghai Massacre to Long March (1927–1935)
• Dawes Plan
• Dolores Ibarruri
• Edward VIII
• Egyptian Revolution of 1919 and Independence Movement
• Enabling Act — Legal Seizure of Power
• February 26 Incident
• Fleming Discovers Penicillin
• Formation of Greater Romania
• Founding of the Estado Novo
• Francisco Franco
• French Occupation of the Ruhr
• Gandhi and Indian Civil Disobedience (1919–1935)
• George VI
• German Hyperinflation Crisis
• Germany Invades Poland
• Greco-Turkish War and Treaty of Lausanne
• Gustav Stresemann
• Hassan al-Banna
• Hassan al-Banna Founds the Muslim Brotherhood
• Heisenberg's Uncertainty Principle
• Hitler Appointed Chancellor
• Independence of Czechoslovakia
• Iraqi Independence and League Membership (1932)
• Italian Invasion of Ethiopia
• Italo Balbo
• Japan Invades Manchuria
• John Maynard Keynes
• Kantō Massacre of Koreans
• Kellogg-Briand Pact
• Kim Il-sung
• Korean March First Movement
• Kristallnacht
• Lateran Pacts — Vatican City Created
• League of Nations Founded
• Lenin's Death and the Soviet Succession Struggle
• Locarno Treaties
• Molotov-Ribbentrop Pact
• Munich Agreement
• Mussolini's March on Rome
• Neville Chamberlain
• Nuremberg Laws
• Outbreak of the Second Sino-Japanese War
• Popular Front and the Matignon Accords
• Proclamation of the Turkish Republic
• Rape of Nanking
• Reichstag Fire
• Remilitarisation of the Rhineland
• Roosevelt's New Deal
• Russian Civil War
• Semana Trágica
• Siamese Revolution of 1932
• Soviet Collectivisation and the Holodomor
• Spanish Civil War
• The Great Depression
• The Great Purge and Moscow Show Trials
• Treaty of Trianon
• Treaty of Versailles
• U.S. National Origins Act 1924 — Closing the Door on Mass Immigration
• UK General Strike of 1926
• Vargas Revolution
• Vidovdan Constitution and the Serb-Croat Rift
• Wall Street Crash
• Weimar Republic Established
• Werner Heisenberg
• Édouard Daladier