The Interwar Period

• 28 May Coup and the End of the First Republic
• Abdullah I of Jordan
• Albert Schweitzer
• Alexander Fleming
• Amanullah Khan
• Anschluss — Annexation of Austria
• Antanas Smetona
• António de Oliveira Salazar
• Atatürk Abolishes the Ottoman Caliphate
• Augusto Leguía
• Austrian Civil War
• Battle of Sabilla and the Ikhwan Revolt
• Beer Hall Putsch
• Boris III of Bulgaria
• Charles I of Austria
• Charlotte, Grand Duchess of Luxembourg
• Chinese Civil War — Shanghai Massacre to Long March (1927–1935)
• Dawes Plan
• Dolores Ibarruri
• Edvard Beneš
• Edward VIII
• Egyptian Revolution of 1919 and Independence Movement
• Enabling Act — Legal Seizure of Power
• Engelbert Dollfuss
• February 26 Incident
• Ferdinand I of Romania
• Fleming Discovers Penicillin
• Formation of Greater Romania
• Founding of the Estado Novo
• Francisco Franco
• Franz von Papen
• French Occupation of the Ruhr
• Frida Kahlo
• Gabriel Terra
• Gandhi and Indian Civil Disobedience (1919–1935)
• Gandhi's Salt March
• George Norris
• German Hyperinflation Crisis
• Germany Invades Poland
• Germán Busch
• Ghazi of Iraq
• Gomes da Costa
• 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
• Imam Yahya of Yemen
• Independence of Czechoslovakia
• Iraqi Independence and League Membership (1932)
• Italian Invasion of Ethiopia
• Italo Balbo
• Janis Cakste
• Japan Invades Manchuria
• John Logie Baird
• John Maynard Keynes
• Kantō Massacre of Koreans
• Karlis Ulmanis
• Kellogg-Briand Pact
• Kim Il-sung
• Korean March First Movement
• Kristallnacht
• Kurt von Schleicher
• Lateran Pacts — Vatican City Created
• League of Nations Founded
• Lenin's Death and the Soviet Succession Struggle
• Leo Baekeland
• Locarno Treaties
• Manon Gropius
• Marcus Garvey
• Marinus van der Lubbe
• May Fourth Movement
• Michael Joseph Savage
• Miklós Horthy
• Mohammed Nadir Shah
• Molotov-Ribbentrop Pact
• Munich Agreement
• Mussolini's March on Rome
• Neville Chamberlain
• Nuremberg Laws
• Omar Mukhtar
• Outbreak of the Second Sino-Japanese War
• Philipp Scheidemann
• Popular Front and the Matignon Accords
• Proclamation of the Turkish Republic
• Queen Sālote
• Rabindranath Tagore
• Rape of Nanking
• Reichstag Fire
• Remilitarisation of the Rhineland
• Reza Shah Pahlavi
• Roosevelt's New Deal
• Russian Civil War
• Saya San
• Semana Trágica
• Siamese Revolution of 1932
• Soviet Collectivisation and the Holodomor
• Spanish Civil War
• Statute of Westminster
• The Great Depression
• The Great Purge and Moscow Show Trials
• Tomáš Garrigue Masaryk
• 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
• W. T. Cosgrave
• Wall Street Crash
• Weimar Republic Established
• Werner Heisenberg
• Zewditu
• Édouard Daladier
• Óscar Benavides