Editing 1867 (section)

=== April–June ===
* [[April 1]] – The Strait Settlement of [[Singapore]], formerly ruled from [[Calcutta]], becomes a [[Crown colony]], under the jurisdiction of the [[Colonial Office]] in London.
* [[April 1]]–[[November 3]] – [[Exposition Universelle (1867)|Exposition Universelle]], an international exhibition in Paris. Among the visitors is [[Abdülaziz]], making the first visit of a [[Sultan of the Ottoman Empire]] to Western Europe.
* [[April 28]] – I.C. Sorosis, the first women's fraternity (sorority) founded upon the men's fraternity model, with ''Pi Beta Phi'' as its motto, is founded at [[Monmouth College]] in Monmouth, Illinois. In [[1888]], the motto becomes the [[Pi Beta Phi|name of the organization]].
* [[May 1]] – The first political [[May Day]] march takes place in Chicago.<ref>Haverty-Stacke, D. T. (2009). ''America’s forgotten holiday: May Day and nationalism, 1867–1960''. New York: New York University Press.</ref>
* [[May 7]] – [[Alfred Nobel]] [[patent]]s [[dynamite]] in the United Kingdom.<ref>{{Citation|url=https://www.britannica.com/EBchecked/topic/416842/Alfred-Bernhard-Nobel|encyclopedia=[[Encyclopædia Britannica]]|title=Alfred Nobel|date=May 23, 2023 }}</ref>
* [[May 11]]
** [[Treaty of London (1867)|Treaty of London]]: The [[great power]]s of Europe reaffirm the [[Neutral country|neutrality]] of [[Luxembourg]], ending the [[Luxembourg Crisis]]. The [[Limburg (Netherlands)|Duchy of Limburg]] is formally re-incorporated into the [[Kingdom of the Netherlands]].
** ''[[Cox and Box]]'', by [[Francis Burnand]] and [[Arthur Sullivan]], is first publicly performed, at the [[Adelphi Theatre]], London.
* [[May 24]] – [[Robert William Keate]] becomes [[Colony of Natal#Lieutenant-governors|Lieutenant-governor of the Colony of Natal]].
* [[May 29]]
** The [[Austro-Hungarian Compromise of 1867|Austro-Hungarian Compromise]] (called ''Ausgleich'' in German or ''kiegyezés'' in Hungarian (''The Compromise'')) is born through Act 12, which establishes the [[Austria-Hungary|Austro-Hungarian Empire]]; on [[June 8]] Emperor [[Franz Joseph I of Austria|Francis Joseph of Austria]] is crowned [[King of Hungary]].
** [[Canadian Confederation]]: [[Queen Victoria]] signs the [[Constitution Act, 1867|British North America Act]], creating the Dominion of Canada, effective [[July 1]].<ref>{{Cite web|title=Constitution Act, 1867|url=http://laws-lois.justice.gc.ca/eng/Const/page-1.html|publisher=[[Department of Justice (Canada)]]|date=2012-07-09|access-date=2012-08-14}}</ref>
* [[June 15]] – The [[Atlantic Cable Quartz Lode]] gold mine is named in [[Montana]].
[[File:Edouard Manet 022.jpg|thumb|[[Édouard Manet]]'s ''[[Execution of Emperor Maximilian]]'' (1868–1869), is one of five versions of his representation of the execution of the Austrian-born Emperor of Mexico, which took place on June 19, 1867. Manet borrowed heavily, thematically and technically, from Goya's ''[[The Third of May 1808]]''.]]
* [[June 19]] – A [[firing squad]] executes Emperor [[Maximilian of Mexico]] and two of his lieutenants.<ref name=thought />
* [[June 20]] – The first recorded association football match [[Football in Argentina|in Argentina]] takes place in [[Buenos Aires]].<ref>{{Cite web|title=Some Information on the Early History of Football in Argentina|url=https://www.rsssf.org/tablesa/arg-early-info.html|access-date=2022-11-28|website=[[RSSSF]]}}</ref>