Editing 1920s (section)

===Prominent political events===
====Peace and disarmament====
* [[Washington Naval Conference]] of 1922
** [[Treaty for the Limitation of Naval Armament|followup treaties for the Limitation of Naval Armament]]
* [[Geneva Protocol]] 1925, outlaws poison gas
* [[Geneva Naval Conference]] 1927
* [[Kellogg–Briand Pact]] (1928) signed by most nations promising not to declare war.
* [[London Naval Treaty]], 1930
* [[Conference for the Reduction and Limitation of Armaments]] 1932–1934

====Women's suffrage====
{{Main|Women's suffrage}}
* Women's suffrage movement continues to make gains as women obtain full voting rights in the United Kingdom in 1918 (women over 30) and in 1928 (full enfranchisement), in the United States in 1920. Also : full or partial gains in Uruguay 1917; Canada, 1917–1925 except Quebec (1940); Czechoslovakia 1920; Irish Free State, 1922; Burma, 1922; Italy, 1925 (partial); Ecuador 1929.<ref>June Hannam et al. ''International encyclopedia of women's suffrage'' (2000).</ref>

====United States====
[[File:5 Prohibition Disposal(9) (cropped).jpg|thumb|right|250px|Prohibition agents emptying barrels of alcohol]]
* The [[Osage Indian murders]] of the 1920s lead to the federal government launching the first large scale investigation by the recently formed Bureau of Investigation, which would later become the [[Federal Bureau of Investigation]] (FBI).<ref>Baugh, L. Sue. "Osage murders". Encyclopedia Britannica, 19 Oct. 2023, https://www.britannica.com/topic/Osage-murders . Accessed 6 November 2023.</ref>
* Prohibition of alcohol occurs in the United States. [[Prohibition in the United States]] began January 16, 1919, with the ratification of the [[Eighteenth Amendment to the United States Constitution|Eighteenth Amendment]] to the [[Constitution of the United States|U.S. Constitution]], effective as of January 17, 1920, and it continued throughout the 1920s. Prohibition was finally repealed in 1933. [[Organized crime]] turns to [[smuggling]] and [[Rum-running|bootlegging]] of [[alcoholic beverage|liquor]], led by figures such as [[Al Capone]], boss of the [[Chicago Outfit]].
* The [[Immigration Act of 1924]] places restrictions on immigration. National quotas curbed most Eastern and Southern European nationalities, further enforced the ban on immigration of East Asians, South Asians, and Southeast Asians, and put mild regulations on nationalities from the Western Hemisphere (Latin Americans).
* The major sport was [[baseball]] and the most famous player was [[Babe Ruth]].
* The ''[[Lost Generation]]'' (which characterized disillusionment), was the name [[Gertrude Stein]] gave to American writers, poets, and artists living in Europe during the 1920s. Famous members of the ''[[Lost Generation]]'' include [[Cole Porter]], [[Gerald Murphy]], [[Patrick Henry Bruce]], [[Waldo Peirce]], [[Ernest Hemingway]], [[F. Scott Fitzgerald]], [[Zelda Fitzgerald]], [[Ezra Pound]], [[John Dos Passos]], and [[Sherwood Anderson]].
* A peak in the early 1920s in the membership of the [[Ku Klux Klan]] of four to five million members (after its reemergence in 1915), followed by a rapid decline down to an estimated 30,000 members by 1930.<ref>{{cite web |url=http://www.aaregistry.org/historic_events/view/ku-klux-klan-brief-biography |title=The Ku Klux Klan, a brief biography |publisher=[[The African American Registry]] |access-date=July 19, 2012 |archive-url=https://web.archive.org/web/20120825005249/http://www.aaregistry.org/historic_events/view/ku-klux-klan-brief-biography |archive-date=2012-08-25 |url-status=dead }} and {{cite encyclopedia |url=http://www.georgiaencyclopedia.org/nge/Article.jsp?id=h-2730 |title=Ku Klux Klan in the Twentieth Century |author=Lay, Shawn |encyclopedia=[[The New Georgia Encyclopedia]] |publisher=[[Coker College]] |access-date=2014-01-24 |archive-date=2005-10-25 |archive-url=https://web.archive.org/web/20051025072407/http://www.georgiaencyclopedia.org/nge/Article.jsp?id=h-2730 |url-status=dead }}</ref>
* The [[Scopes trial]] (1925), which declared that [[John T. Scopes]] had violated the law by teaching [[evolution]] in schools, creating tension between the competing viewpoints of [[creationism]] and evolution.

====Europe====
[[File:Union of Soviet Socialist Republics (orthographic projection).svg|thumb|200px|The [[Soviet Union|Union of Soviet Socialist Republics]] (Soviet Union) is created in 1922.]]
[[File:March on Rome 1922 - Mussolini.jpg|thumb|right|250px|[[Benito Mussolini]] and [[Italian Fascism|Fascist]] [[Blackshirts]] during the [[March on Rome]] in 1922]]
* [[Polish–Soviet War]] (1920–1921); Poland defeats Soviet expansion; Ukraine and Belarus were divided.
* Major armed conflict in Ireland including [[Irish War of Independence]] (1919–1921) resulting in part of Ireland becoming an independent country in 1922 followed by the [[Irish Civil War]] (1922–1923).
* [[Russian famine of 1921–22]] claimed up to five&nbsp;million victims.<ref>[https://web.archive.org/web/20121219101057/http://www.icrc.org/eng/resources/documents/misc/5rfhjy.htm Famine in Russia: the hidden horrors of 1921]. International Committee of the Red Cross.</ref>
* The [[Soviet Union|Union of Soviet Socialist Republics]] (Soviet Union) is created in 1922.
* [[Benito Mussolini]] leader of the [[National Fascist Party]] became [[List of Prime Ministers of Italy|Prime Minister of Italy]], shortly thereafter creating the world's first [[Fascism|fascist]] government. The Fascist regime establishes a [[totalitarian]] state led by Mussolini as a dictator. The Fascist regime restores good relations between the [[Roman Catholic Church]] and Italy with the [[Lateran Treaty]], which creates [[Vatican City]]. The Fascist regime pursues an aggressive expansionist agenda in Europe such as by raiding the [[List of islands of Greece|Greek island]] of [[Corfu incident|Corfu]] in 1923, pressuring [[Albanian Republic|Albania]] to submit to becoming a ''[[de facto]]'' Italian [[protectorate]] in the mid-1920s, and holding territorial aims on the region of [[Dalmatia]] in [[Yugoslavia]].
* In Germany, the [[Weimar Republic]] suffers from economic crisis in the early 1920s and [[Inflation in the Weimar Republic|hyperinflation]] of currency in 1923. From 1923 to 1925 the [[Occupation of the Ruhr]] takes place. The [[Ruhr]] was an industrial region of Germany taken over by the military forces of the [[French Third Republic]] and Belgium, in response to the failure of the Weimar Republic under Chancellor [[Wilhelm Cuno]] to keep paying the [[World War I reparations]]. The recently formed fringe [[Nazi Party|National Socialist German Workers' Party]] (a.k.a. Nazi Party) led by [[Adolf Hitler]] attempts a coup against the Bavarian and German governments in the 1923 [[Beer Hall Putsch]], which fails, resulting in Hitler being briefly imprisoned for one year in prison where he writes ''[[Mein Kampf]]''.
* [[Turkish War of Independence]] (1919–1923).
* [[1926 United Kingdom general strike|United Kingdom general strike]] (1926).

====Asia====
* The [[Qajar dynasty]] ended under [[Ahmad Shah Qajar]] as [[Reza Shah Pahlavi]] founds the [[Pahlavi dynasty]], which later became the last monarchy of [[Iran]].
* The [[Northern Expedition]] (1926–1928)
* The [[Chinese Civil War]] begins (1927–1937).
* In the [[Kingdom of Afghanistan]], [[Amanullah Khan]]'s reforms cause conflict with conservative factions, resulting in the [[Afghan Civil War (1928–1929)|Afghan Civil War]].

====Africa====
* [[Pan-Africanism|Pan-Africanist]] supporters of [[Marcus Garvey]]'s [[Universal Negro Improvement Association and African Communities League]] (UNIA-ACL) are repressed by colonial powers in Africa. Garvey's UNIA-ACL supported the creation of a state led by black people in Africa including [[African American]]s.<ref>{{Cite web |url=http://courses.wcupa.edu/jones/his311/timeline/t-1920s.htm |title=African History Timeline |access-date=2008-10-30 |archive-date=2009-05-08 |archive-url=https://web.archive.org/web/20090508144735/http://courses.wcupa.edu/jones/his311/timeline/t-1920s.htm |url-status=dead }}</ref>

==== Latin America ====
* Rural workers' strikes are put down by the [[Argentine Army]], in the province of [[Santa Cruz Province, Argentina|Santa Cruz]], [[Argentina]]. Approximately 300–1,500 workers were shot and killed under the orders of president [[Hipólito Yrigoyen]]. This uprising is remembered as [[Patagonia Rebelde]] (Rebel Patagonia).
* Argentina becomes the second country in the world (only after the USSR) to create a [[State ownership|state-owned]] oil and gas exploration and production company, [[YPF]].

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