Editing 1887 (section)

=== April&ndash;June ===
* [[April 1]] &ndash; The final of the first [[All-Ireland Senior Hurling Championship|All-Ireland Hurling Championship]] is held.<ref>{{cite book|author1=Mike Cronin|author2=William Murphy|author3=Paul Rouse|title=The Gaelic Athletic Association, 1884-2009|url=https://books.google.com/books?id=UNsnAQAAIAAJ|year=2009|publisher=Irish Academic Press|isbn=978-0-7165-3028-2|page=266}}</ref>
* [[April 4]] &ndash; [[Argonia, Kansas]], elects [[Susanna M. Salter]] as the first female mayor in the United States.<ref>{{cite book|author=Lewis Ford|title=The Variety Book Containing Life Sketches and Reminiscences|url=https://books.google.com/books?id=zk594-zLwkUC&pg=PA106|year=1892|publisher=Washington Press|pages=106}}</ref>
* [[April 10]] (Easter Sunday) &ndash; The [[Catholic University of America]] is founded in Washington, D.C.
* [[April 20]] &ndash; [[Occidental College]] is founded in [[Los Angeles, California]].
* [[April 21]] &ndash; [[Schnaebele incident]]: A French/German border incident nearly leads to war between the two countries.<ref>{{cite book|author=Charles Hitchcock Sherrill|title=Bismarck & Mussolini|url=https://books.google.com/books?id=fadCAAAAIAAJ|year=1931|publisher=Houghton Mifflin|page=97-101}}</ref>
* [[May 3]] &ndash; An [[1887 Sonora earthquake|earthquake]] hits [[Sonora]], Mexico.
* [[May 5]] &ndash; [[Ricardo Palma]] founds the [[Peruvian Academy of Language]].<ref>{{Cite news|url=https://elcomercio.pe/luces/libros/5-mayo-paso-dia-hoy-194798-noticia/|title=5 de mayo: ¿Qué pasó un día como hoy?|newspaper=El Comercio|first=Carlos|last=Batalla|date=5 May 2016|access-date=15 June 2023|language=Spanish}}</ref>
* [[May 14]] &ndash; The cornerstone of the new [[Stanford University]], in northern [[California]], is laid (the college opens in [[1891]]).
* [[May 25]] &ndash; The [[Hells Canyon massacre]] begins: 34 Chinese gold miners are ambushed and murdered in [[Hells Canyon]], [[Oregon]], United States.<ref>{{cite book|author=Oregon Historical Society|title=Oregon Historical Quarterly|url=https://books.google.com/books?id=y7boPGAK4QAC|year=2006|publisher=Oregon Historical Society|page=326}}</ref>
* [[June 8]] &ndash; [[Herman Hollerith]] receives a U.S. [[patent]] for his [[punched card]] [[calculator]].
* [[June 18]] &ndash; The [[Reinsurance Treaty]] is closed between Germany and Russia.
* [[June 21]] 
**The [[British Empire]] celebrates [[Queen Victoria]]'s [[Golden Jubilee of Queen Victoria|Golden Jubilee]], marking the 50th year of her reign.<ref>[http://www.royal.gov.uk/output/page929.asp Royal.gov.uk] {{webarchive |url=https://web.archive.org/web/20051101004551/http://www.royal.gov.uk/output/page929.asp |date=November 1, 2005 }}</ref>
**[[Zulu Kingdom|Zululand]] becomes a British colony.
* [[June 23]] &ndash; The [[Rocky Mountains Park Act]] becomes law in Canada, creating that nation's first [[national park]], [[Banff National Park]].<ref>{{Cite web|url=http://www.pc.gc.ca/apps/cseh-twih/archives2_E.asp?id=25|title=Parks Canada - This Week in History|date=March 18, 2004|archive-url=https://web.archive.org/web/20040318112228/http://www.pc.gc.ca/apps/cseh-twih/archives2_E.asp?id=25|archive-date=March 18, 2004}}</ref>
[[File:Moraine Lake 17092005.jpg|thumb|110px|right| [[June 23]]:  Banff National Park]]
* [[June 28]] &ndash; [[Minot, North Dakota]], is incorporated as a city.
* [[June 29]] &ndash; The [[United Retail Federation]] is established in [[Brisbane]], Australia.