1921

1921 in other calendars
Gregorian calendar	1921; MCMXXI
Ab urbe condita	2674
Armenian calendar	1370; ԹՎ ՌՅՀ
Assyrian calendar	6671
Bahá'í calendar	77–78
Bengali calendar	1328
Berber calendar	2871
British Regnal year	11 Geo. 5 – 12 Geo. 5
Buddhist calendar	2465
Burmese calendar	1283
Byzantine calendar	7429–7430
Chinese calendar	庚申年 (Metal Monkey); 4617 or 4557; — to —; 辛酉年 (Metal Rooster); 4618 or 4558
Coptic calendar	1637–1638
Discordian calendar	3087
Ethiopian calendar	1913–1914
Hebrew calendar	5681–5682
Hindu calendars
- Vikram Samvat	1977–1978
- Shaka Samvat	1842–1843
- Kali Yuga	5021–5022
Holocene calendar	11921
Igbo calendar	921–922
Iranian calendar	1299–1300
Islamic calendar	1339–1340
Japanese calendar	Taishō 10; (大正１０年)
Javanese calendar	1851–1852
Juche calendar	10
Julian calendar	Gregorian minus 13 days
Korean calendar	4254
Minguo calendar	ROC 10; 民國10年
Nanakshahi calendar	453
Thai solar calendar	2463–2464
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	1921 by topic:
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	Birth and death categories
	Births; Deaths;
	Establishments and disestablishments categories
	Establishments; Disestablishments;
	Works and introductions categories
	Works; Introductions;
	v; t; e;

Millennium:	2nd millennium
Centuries:	19th century – 20th century – 21st century
Decades:	1890s 1900s 1910s – 1920s – 1930s 1940s 1950s
Years:	1918 1919 1920 – 1921 – 1922 1923 1924

1921 January February March April May June July August September October November December

1921 (MCMXXI) was a common year starting on Saturday (dominical letter B) of the Gregorian calendar, the 1921st year of the Common Era (CE) and Anno Domini (AD) designations, the 921st year of the 2nd millennium, the 21st year of the 20th century, and the 2nd year of the 1920s decade.

Events[edit]

January[edit]

January 1 – In American football, the University of California, Berkeley defeats Ohio State 28–0 in the Rose Bowl.
January 2
- The football club Cruzeiro Esporte Clube from Belo Horizonte is founded as Palestra Italia in Brazil.
- The first religious radio broadcast is heard over station KDKA AM in Pittsburgh.
- The Spanish liner Santa Isabel sinks off Villa Garcia; 244 die.
- The De Young Museum opens in Golden Gate Park, San Francisco.
January 20 – The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
January 21
- The Italian Communist Party is founded in Livorno.
- The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
- Women's suffrage is attained in Sweden.
- The full-length silent comedy-drama film The Kid, written, produced, directed by and starring Charlie Chaplin (in his Tramp character), with Jackie Coogan, is released in the United States.
January 25 – The Italian battleship Leonardo da Vinci is righted in Taranto Harbour.

February[edit]

February 12 – Red Army invasion of Georgia: The Democratic Republic of Georgia is invaded by forces of Bolshevist Russia.
February 20 – The Young Communist League of Czechoslovakia is founded.
February 21 – 1921 Persian coup d'état: Rezā Khan and Zia'eddin Tabatabaee stage a coup d'état in Iran.
February 23 – The moderately conservative public official Oscar von Sydow takes over the Swedish premiership from Baron Louis De Geer the younger.
February 25 – Red Army invasion of Georgia: The Red Army enters the Georgian capital Tbilisi and installs a Moscow-directed communist government.
February 27 – The International Working Union of Socialist Parties is formed in Vienna.
February 28 – The Kronstadt rebellion is initiated by sailors of the Soviet Navy's Baltic Fleet.

March[edit]

March – Group Settlement Scheme in Western Australia begins.
March 1 – The city of Kiryū, located in Gunma Prefecture, Japan, is founded.
March 4 – Warren G. Harding is inaugurated as the 29th President of the United States.
March 5 – Irish War of Independence: Clonbanin Ambush: Irish Republican Army kills Brigadier General Cumming.
March 6 – The Portuguese Communist Party is founded.
March 8
- Spanish Premier Eduardo Dato e Iradier is assassinated while exiting the parliament building in Madrid.
- Allied forces occupy Düsseldorf, Ruhrort and Duisburg.
March 12 – The İstiklâl Marşı (Independence March), the Turkish national anthem, is officially adopted.
March 13 – Occupation of Mongolia: The Russian White Army captures Mongolia from China. Roman von Ungern-Sternberg declares himself ruler.
March 14 – Armenian Soghomon Tehlirian assassinates Mehmed Talaat, former Interior Minister of Turkey, in Charlottenburg, Berlin.
March 16 – Six Irish Republican Army men of the Forgotten Ten are hanged in Mountjoy Prison, Dublin.
March 17
- The Red Army crushes the Kronstadt rebellion and a number of sailors flee to Finland.
- Dr. Marie Stopes opens the first birth control clinic in London, England.
- The Second Polish Republic adopts the March Constitution.
March 18 – The second Peace of Riga ends the Polish–Soviet War. A permanent border is established between the Polish and Soviet states.
March 20 – Upper Silesia plebiscite votes for re-annexation to Germany.
March 21
- New Economic Policy starts in Soviet Russia.
- Irish War of Independence: Headford Ambush: Irish Republican Army kills at least nine British Army troops.
March 31 – Abkhazia becomes a republic Abkhazian SSR.

April[edit]

April – The United States Figure Skating Association is formed.
April 11 – The Emirate of Transjordan is created, with Abdullah I as emir.
April 14 – In Britain, labour unions for mining, railway and transportation workers call for a strike; the government threatens to call in the army.
April 20 – Ferenc Molnár's play Liliom is first produced on Broadway in English.
April 27 – The Allies of World War I reparations commission announce that Germany has to pay 132 billion gold marks ($33 trillion) in annual installments of 2.5 billion.

May[edit]

May 1–May 7 – Jaffa riots: Riots at Jaffa in Mandatory Palestine result in 47 Jewish and 48 Arab deaths.
May 2–July 5 – Third Silesian Uprising: Poles in Upper Silesia rise against the Germans.
May 3 – The province of Northern Ireland is created within the United Kingdom.
May 5 – Only thirteen spectators attend the football match between Leicester City and Stockport County, the lowest attendance in The Football League's history.
May 6 – German-Russian Provisional Agreement signed, Germany recognised Soviet regime in Russia.
May 14–May 15 – Major geomagnetic storm.
May 14–May 17 – Violent anti-European riots occur in Cairo and Alexandria.
May 16 – The Communist Party of Czechoslovakia is founded.
May 19 – The Emergency Quota Act is passed by the United States Congress, establishing national quotas on immigration.
May 23 – In Leipzig the Leipzig War Crimes Trials start. They will end on July 16.
May 24 – First Northern Ireland general election for the new Parliament of Northern Ireland is held.
May 26 – A general strike begins in Norway.
May 31 – Tulsa race riot begins in Tulsa, Oklahoma. The official death toll is 39, but later investigations suggest the actual toll may be much higher.

June[edit]

June 21 – International Hydrographic Bureau (IHB) established as an agency of the League of Nations; continues in this form until April 19, 1946.
June 27 – The first signings of Treaty 11, an agreement between George V, King of Canada, and various Canadian First Nations, are conducted at Fort Providence.
June 28 – The Constitutional Assembly of the Kingdom of Serbs, Croats and Slovenes passes the Vidovdan Constitution, despite a boycott of the vote by the communists, and Croat and Slovene parties.
June 30 – The death penalty is abolished in Sweden.

July[edit]

July 1
- The Communist Party of China (CPC) is founded.
- A coal strike ends in England.
July 2 – U.S. President Warren Harding signs a joint congressional resolution declaring an end to America's state of war with Germany, Austria and Hungary.^[1]
July 4 – A new conservative government is formed in Italy by Ivanoe Bonomi.
July 11
- The Irish War of Independence (aka the Anglo-Irish War) comes to a halt after a truce is signed between the belligerents.
- The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
July 14 – A Massachusetts jury finds Nicola Sacco and Bartolomeo Vanzetti guilty of first degree murder following a widely publicized trial.
July 17 – The Republic of Mirdita is proclaimed near the Albanian-Serbian border with Yugoslav support.
July 18 – The first BCG vaccination against tuberculosis is given.
July 21 – Rif War – Battle of Annual: Spanish troops are dealt a crushing defeat at the hands of Abd el-Krim.
July 22 – The Anglo-Irish truce, agreed 10 days earlier, is officially declared in London.
July 23 – The Communist Party of China (CPC) launched the first time of founding National Congress, Communist party in China are established.
July 26 – U.S. President Warren G. Harding receives Princess Fatima of Afghanistan and Stanley Clifford Weyman.
July 27 – Researchers at the University of Toronto led by biochemist Frederick Banting announce the discovery of the hormone insulin.
July 29 – Adolf Hitler becomes Führer of the Nazi Party.

August[edit]

August – The United States formally ends World War I.
August 5 – The first radio baseball game is broadcast; Harold Arlin announces the Pirates-Phillies game from Forbes Field over Westinghouse KDKA, in Pittsburgh.
August 11 – The temperature reaches 39 degrees Celsius in Breslau; the heat wave continues elsewhere in Europe as well.
August 23 – King Faisal I of Iraq is crowned in Baghdad.
August 24 – R38-class airship ZR-2 explodes on her fourth test flight near Kingston upon Hull, England, killing 44 of the 49 Anglo-American crew on board.^[2]
August 25 – Franklin Roosevelt, 39, is diagnosed with poliomyelitis following a two-week illness characterized by paralysis and fevers. He would be permanently disabled after this illness.
August 26
- Rising prices cause major riots in Munich.
- The assassination of German politician Matthias Erzberger causes the government to declare martial law.

September[edit]

September 1 – Poplar Strike in London: Nine members of the Poplar borough council are arrested.
September 7 – In Atlantic City, New Jersey, the first Miss America Pageant is held.
September 8 – Sixteen-year-old Margaret Gorman wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dub her the first Miss America.
September 12 – The Lotta Svärd women's paramilitary auxiliary is founded in Finland.
September 13 – White Castle hamburger restaurant opens in Wichita, Kansas, the foundation of the world's first fast food chain.
September 21 – The Oppau explosion occurs at BASF's nitrate factory in Oppau, Germany; 500—600 are killed.

October[edit]

October 5 – The first broadcast of a World Series game on the radio, by Newark, New Jersey, station WJZ; Pittsburgh station KDKA; and a group of other commercial and amateur stations throughout the eastern United States.
October 8 – The first Sweetest Day is staged in Cleveland, Ohio.
October 10 – Teaching at the University of Szeged starts in the Kingdom of Hungary.
October 13
- The Treaty of Kars is signed between the Grand National Assembly of Turkey and the Soviet Socialist Republics of Armenia, Azerbaijan and Georgia, establishing the boundaries between Turkey and the states of the south Caucasus.
- Swedish Social Democratic party leader Hjalmar Branting becomes yet again Prime Minister, after strong general election gains for his party.
October 19 – 'Bloody Night' (Noite Sangrenta): A massacre in Lisbon claims the lives of Portuguese Prime-Minister António Granjo and other politicians.
October 21
- A peace conference between Ireland and the United Kingdom begins in London.
- George Melford's wildly successful silent film The Sheik, which will propel its leading actor Rudolph Valentino to international stardom, is premiered in Los Angeles.
October 24 – The Spanish Army defeats rifkabyl rebels in Morocco.
October 29 – In the United States
- Construction of the Link River Dam, a part of the Klamath Project in Oregon, is completed.
- Centre College's American football team, led by quarterback Bo McMillin, defeats Harvard University 6–0 to break Harvard's five-year winning streak. For decades afterward, this is called "football's upset of the century."

November[edit]

November 4 – After a speech by Adolf Hitler in the Hofbräuhaus in Munich (Germany), members of the Sturmabteilung ("brownshirts") physically assault his opposition.
November 9
- The National Fascist Party (Partito Nazionale Fascista or PNF) is founded in Italy.
- Albert Einstein is awarded the Nobel Prize in Physics for his work with the photoelectric effect.
- Riots in Reykjavík injure most of the small police force.^{[clarification needed]}
November 11 – During an Armistice Day ceremony at Arlington National Cemetery, the Tomb of the Unknown Soldier is dedicated by Warren G. Harding, President of the United States.
November 14 – The Spanish Communist Party is founded.
November 23 – The Sheppard–Towner Act is signed by President Harding, providing federal funding for maternity and child care.
Undated – Hyperinflation rampant in Germany, where 263 marks are now needed to buy a single American dollar, more than 20 times greater than the 12 marks needed in April 1919.^[3]

December[edit]

December 29: William Lyon Mackenzie King becomes the 10th Prime Minister of Canada

December 1 – Rising prices cause riots in Vienna.
December 6
- The Anglo-Irish Treaty establishing the Irish Free State, an independent nation incorporating 26 of Ireland's 32 counties, is signed in London.
- Agnes Macphail becomes the first woman to be elected to the Canadian Parliament.
December 13 – In the Four-Power Treaty on Insular Possessions, Japan, the United States, United Kingdom, and France agree to recognize the status quo in the Pacific.
December 23 – Visva-Bharati College is founded by Rabindranath Tagore in Santiniketan, Bengal Presidency, British India.
December 29 – William Lyon Mackenzie King becomes Canada's tenth prime minister.

Date unknown[edit]

Russian famine: Roughly 5,000,000 people die.
Jewish immigration to Palestine grows rapidly after the United States drastically limits immigration from Eastern Europe.
Regular radio broadcasting services begin in Italy.
Edward Harper, the "father of broadcasting" in Ceylon, arrives in Colombo to take up his post as Chief Engineer of the Ceylon Telegraph Department.
The vibraphone in its original form is invented in the United States.
E. W. Scripps and William Emerson Ritter found Science Service, later renamed Society for Science and the Public, in the United States with the goal of keeping the public informed of scientific developments.
The Sauerländer Heimatbund is founded in Meschede, Germany.
Weimar Republic makes its first payment of reparations.^{[clarification needed]}