Editing 1921 (section)

=== March ===
{{Main|March 1921}}
* March &ndash; The [[Group Settlement Scheme]] in [[Western Australia]] begins.<ref>{{cite book|first=Graeme Donald |last=Snooks |author-link=Graeme Snooks|title=Depression and Recovery in Western Australia, 1928/29-1938/39: A Study in Cyclical and Structural Change|url=https://books.google.com/books?id=5SbUAAAAMAAJ|year=1974|publisher=University of Western Australia Press|isbn=978-0-85564-076-7|page=54}}</ref>
* [[March 1]]
** The city of [[Kiryū, Gunma|Kiryū]], located in [[Gunma Prefecture]], Japan, is founded.{{citation needed|date=May 2025}}
** The [[Australia national cricket team]], led by [[Warwick Armstrong]], becomes the first to complete a [[Whitewash (sport)|whitewash]] of the touring England team in [[The Ashes]], something that will not be repeated for 86 years.<ref>{{Cite web |title=Warwick Armstrong {{!}} cricket.com.au |url=https://www.cricket.com.au/players/CA:1388/warwick-armstrong#:~:text=The%201920/21%20side%20became,supreme%20talent%20on%20the%20field. |access-date=2025-05-23 |website=www.cricket.com.au |language=en}}</ref>
* [[March 5]] &ndash; [[Irish War of Independence]]: [[Clonbanin ambush]]: A force of about 100 [[Irish Republican Army]] members attacks a British Army convoy of 40 soldiers, killing several, including [[Brigadier General]] [[Hanway Robert Cumming|Cumming]].<ref>{{cite book|author-link=Padraic O'Farrell |first=Padraic |last=O'Farrell|title=Who's Who in the Irish War of Independence, 1916-1921|url=https://books.google.com/books?id=2YtnAAAAMAAJ|year=1980|publisher=Mercier Press|page=40}}</ref>
* [[March 6]] – The [[Allies of World War II|Allied Powers]] force [[Weimar Republic|Germany]] to pay war reparations.<ref>{{Cite news |date=March 7, 1921 |title=PENALTIES TO BE PUT INTO EFFECT |url=https://archive.org/details/cgl_001450/mode/1up |work=Glendale Daily Press |pages=1}}</ref>
* [[March 8]]
** Spanish Premier [[Eduardo Dato e Iradier]] is assassinated while exiting the parliament building in [[Madrid]].<ref>{{Cite news |date=1921-03-09 |title=SPANISH PREMIER IS ASSASSINATED, LEAVING CONGRESS; Eduardo Dato, Attacked by Several Persons, Is Slain by Revolver Shots. CAUGHT IN A MOTOR CAR Actual Assassin Used Motorcycle and Fled--ChauffeurIs Also Killed.FRIENDLY TO ALLIES IN WARDato Was Leader of Conservativesand Had Little Sympathyfor Americans. |url=https://www.nytimes.com/1921/03/09/archives/spanish-premier-is-assassinated-leaving-congress-eduardo-dato.html |access-date=2025-05-23 |work=The New York Times |language=en-US |issn=0362-4331}}</ref>
** Allied forces occupy [[Düsseldorf]], Ruhrort and [[Duisburg]].
* [[March 9]] &ndash; [[Cilicia Peace Treaty]] is signed between the [[French Third Republic]] and the [[Turkish National Movement]] in an attempt to end the [[Franco-Turkish War]].<ref>{{Cite web |url=http://www.indiana.edu/~league/1921.htm|title=League of Nations - Chronology 1921 |website=League of Nations Photo Archive |access-date=December 31, 2020|archive-date=December 13, 2010|archive-url=https://web.archive.org/web/20101213062958/http://www.indiana.edu/~league/1921.htm|url-status=dead}}</ref>
* [[March 12]] &ndash; The ''[[İstiklâl Marşı]]'' (Independence March), the Turkish national anthem, is officially adopted.{{citation needed|date=May 2025}}
* [[March 13]] &ndash; [[Occupation of Mongolia]]: The Russian [[White Army]] captures [[Mongolia]] from China; [[Roman von Ungern-Sternberg]] declares himself ruler.{{citation needed|date=May 2025}}
* [[March 14]] &ndash; [[Armenia]]n Soghomon Tehlirian assassinates Mehmed Talaat, former Interior Minister of the [[Ottoman Empire]], in [[Charlottenburg]], Berlin.{{citation needed|date=May 2025}}
* [[March 16]]
** [[Treaty of Moscow (1921)|Treaty of Moscow]] establishes friendly relations between the [[Government of the Grand National Assembly]] of Turkey and the [[Russian Socialist Federative Soviet Republic]].{{citation needed|date=May 2025}}
** Six [[Irish Republican Army]] men of the [[Forgotten Ten]] are hanged in Mountjoy Prison, Dublin.<ref>{{cite book|first=May |last=Moran|title=Executed for Ireland: The Patrick Moran Story|url=https://books.google.com/books?id=sDzBDwAAQBAJ&pg=PT289|date=2010|publisher=Mercier Press Ltd|isbn=978-1-78117-117-2|pages=289}}</ref>
* [[March 17]]
** The [[Red Army]] crushes the [[Kronstadt rebellion]], and a number of sailors flee to Finland.<ref>{{cite book|first=Paul F. |last=Robinson|title=The White Russian Army in Exile, 1920-1941|url=https://books.google.com/books?id=jbhpAAAAMAAJ|year=2002|publisher=Clarendon Press|isbn=978-0-19-925021-9|page=60}}</ref>
** [[Marie Stopes]] opens the first [[birth control]] clinic in the [[Commonwealth of Nations|British Empire]] in London, UK.<ref>{{cite book|first=Audrey |last=Leathard|title=The Fight for Family Planning: The Development of Family Planning Services in Britain, 1921-74|url=https://books.google.com/books?id=SreRAAAAIAAJ|year=1980|publisher=Macmillan|isbn=978-0-333-25954-2|page=1}}</ref>
** The [[Second Polish Republic]] adopts the [[March Constitution of Poland|March Constitution]].{{citation needed|date=May 2025}}
* [[March 18]] &ndash; The second [[Peace of Riga]] ends the [[Polish–Soviet War]]. A permanent border is established between the Polish and Soviet states.{{citation needed|date=May 2025}}
* [[March 20]] &ndash; [[Upper Silesia plebiscite|Upper Silesia]] votes for re-annexation to Germany.<ref>{{cite news |title=Army Ready For Silesian Plebiscite Today |work=[[The New York Times]] |date=March 20, 1921 |p=1}}</ref>
* [[March 21]]
** The [[New Economic Policy]] starts in [[Russian Soviet Federative Socialist Republic|Soviet Russia]].{{citation needed|date=May 2025}}
** [[Irish War of Independence]]: [[Headford Ambush]] &ndash; The [[Irish Republican Army]] kills at least 9 British Army troops.{{citation needed|date=May 2025}}
* [[March 24]] &ndash; The [[1921 Women's Olympiad]] (the first international [[women's sports]] event) begins in Monte Carlo.{{citation needed|date=May 2025}} 
* [[March 31]]
** Abkhazia becomes the [[Socialist Soviet Republic of Abkhazia]].{{citation needed|date=May 2025}}
** The British government formally returns the coal mines from wartime control to their private owners, who demand wage cuts; in response, the [[Miners' Federation of Great Britain]] calls on its partner trade unions in the [[Triple Alliance (1914)|Triple Alliance]] to join it in [[strike action]],<ref>{{cite web|title=Build-up to the General Strike|url=https://warwick.ac.uk/services/library/mrc/archives_online/digital/gs/timeline/before/|publisher=[[Modern Records Centre, University of Warwick]]|location=Coventry|date=2019-08-13|access-date=2020-08-22}}</ref> leading in turn to the government declaring a [[state of emergency]] for the first time under the [[Emergency Powers Act 1920]]. On April 1, a [[Lockout (industry)|lockout]] of striking coal miners begins.<ref name=CentStruggle>{{cite book|title=Century of Struggle|page=39|url=http://num.org.uk/wp-content/uploads/2015/12/Century-of-Struggle-Mini.pdf |archive-url=https://ghostarchive.org/archive/20221009/http://num.org.uk/wp-content/uploads/2015/12/Century-of-Struggle-Mini.pdf |archive-date=2022-10-09 |url-status=live|access-date=2020-08-22}}</ref>