Important Historical Events of the year 1921, Year 1921 in History
List of 1921 Major News Events in History, Most Important Historical Events in 1921
What happened in the year 1921?
| Date | Event |
|---|---|
| January 2, 1921 | World premiere of the science fiction play R.U.R. by the Czech writer Karel Čapek in a theater in Hradec Králové. |
| January 9, 1921 | Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia. |
| January 16, 1921 | The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa. |
| January 20, 1921 | The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die. |
| January 20, 1921 | The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty. |
| February 12, 1921 | Bolsheviks launch a revolt in Georgia as a preliminary to the Red Army invasion of Georgia. |
| February 21, 1921 | Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution. |
| February 21, 1921 | Rezā Shāh takes control of Tehran during a successful coup. |
| February 22, 1921 | After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia. |
| February 25, 1921 | Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic. |
| February 27, 1921 | The International Working Union of Socialist Parties is founded in Vienna. |
| March 1, 1921 | The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years. |
| March 1, 1921 | Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion begins, with sailors and citizens taking up arms against the Bolsheviks. |
| March 8, 1921 | Spanish Prime Minister Eduardo Dato Iradier is assassinated while on his way home from the parliament building in Madrid. |
| March 15, 1921 | Talaat Pasha, former Grand Vizir of the Ottoman Empire and chief architect of the Armenian genocide is assassinated in Berlin by a 23-year-old Armenian, Soghomon Tehlirian. |
| March 17, 1921 | The Second Polish Republic adopts the March Constitution. |
| March 18, 1921 | The second Peace of Riga is signed between Poland and the Soviet Union. |
| March 18, 1921 | The Kronstadt rebellion is suppressed by the Red Army. |
| March 19, 1921 | Irish War of Independence: One of the biggest engagements of the war takes place at Crossbarry, County Cork. About 100 Irish Republican Army (IRA) volunteers escape an attempt by over 1,300 British forces to encircle them. |
| March 20, 1921 | The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland. |
| March 21, 1921 | The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism. |
| March 24, 1921 | The 1921 Women's Olympiad began in Monte Carlo, becoming the first international women's sports event.[37] |
| March 31, 1921 | The Royal Australian Air Force is formed. |
| April 2, 1921 | The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established. |
| April 11, 1921 | Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan. |
| May 3, 1921 | Ireland is partitioned under British law by the Government of Ireland Act 1920, creating Northern Ireland and Southern Ireland. |
| May 3, 1921 | West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues. |
| May 8, 1921 | The creation of the Communist Party of Romania. |
| May 19, 1921 | The United States Congress passes the Emergency Quota Act establishing national quotas on immigration. |
| May 31, 1921 | The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300. |
| June 12, 1921 | Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising. |
| June 15, 1921 | Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent. |
| June 19, 1921 | The village of Knockcroghery, Ireland, was burned by British forces. |
| June 20, 1921 | Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike. |
| June 21, 1921 | The Irish village of Knockcroghery was burned by British forces.[4][5] |
| June 28, 1921 | Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution. |
| June 30, 1921 | U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States. |
| July 1, 1921 | The Chinese Communist Party is founded by Chen Duxiu and Li Dazhao, with the help of the Far Eastern Bureau of the Russian Social Democratic Labour Party (Bolsheviks), who seized power in Russia after the 1917 October Revolution, and the Far Eastern Secretariat of the Communist International. |
| July 2, 1921 | World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany. |
| July 10, 1921 | Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland. |
| July 11, 1921 | A truce in the Irish War of Independence comes into effect. |
| July 11, 1921 | The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic. |
| July 11, 1921 | Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices. |
| July 22, 1921 | Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco. |
| July 23, 1921 | The Chinese Communist Party (CCP) is established at the founding National Congress. |
| July 27, 1921 | Researchers at the University of Toronto, led by biochemist Frederick Banting, prove that the hormone insulin regulates blood sugar. |
| July 29, 1921 | Adolf Hitler becomes leader of the National Socialist German Workers' Party. |
| August 3, 1921 | Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court. |
| August 14, 1921 | Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia). |
| August 23, 1921 | British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary; of her 49 British and American training crew, only four survive. |
| August 28, 1921 | Russian Civil War: The Red Army dissolved the Makhnovshchina, after driving the Revolutionary Insurgent Army out of Ukraine. |
| September 7, 1921 | In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held. |
| September 7, 1921 | The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland. |
| September 8, 1921 | Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America. |
| September 11, 1921 | Nahalal, the first moshav in Palestine, is settled as part of a Zionist plan of creating a Jewish state, later to be Israel. |
| September 21, 1921 | A storage silo in Oppau, Germany, explodes, killing 500–600 people. |
| October 5, 1921 | The World Series is the first to be broadcast on radio. |
| October 8, 1921 | KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game. |
| October 13, 1921 | Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states. |
| October 18, 1921 | The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic. |
| October 19, 1921 | The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup. |
| October 21, 1921 | President Warren G. Harding delivers the first speech by a sitting U.S. president against lynching in the Deep South. |
| October 29, 1921 | United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts. |
| October 29, 1921 | The Harvard University football team loses to Centre College, ending a 25-game winning streak. This is considered one of the biggest upsets in college football. |
| November 4, 1921 | The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich. |
| November 4, 1921 | Japanese Prime Minister Hara Takashi is assassinated in Tokyo. |
| November 11, 1921 | The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery. |
| November 14, 1921 | The Communist Party of Spain is founded, and issues the first edition of Mundo obrero. |
| November 23, 1921 | Warren G. Harding, 29th President of the United States, signs Willis–Campbell Act, into law, prohibiting doctors from prescribing beer or liquor for medicinal purposes. |
| December 5, 1921 | The Football Association bans women's football in England from league grounds, a ban that stays in place for 50 years. |
| December 6, 1921 | The Anglo-Irish Treaty is signed in London by British and Irish representatives. |
| December 22, 1921 | Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India. |