Editing 1890 (section)

=== April–June ===
[[File:ClevelandArcade Interior Flag.jpg|thumb|180px|right| [[May 30]]: [[Cleveland Arcade]].]]
[[File:Hollerith.jpg|thumb|90px|right| [[June 1]]: [[Herman Hollerith]].]]
* [[April 2]] – [[Kashihara Shrine]], a landmark spot in [[Nara Prefecture]], [[Japan]], is officially built by [[Emperor Mutsuhito]] (Emperor of Meiji).<ref>{{Cite web|url=http://p-www.iwate-pu.ac.jp/~acro-ito/Japan_pics/Japan_NAS/imageidx.html|title=Asuka Area, Nara|website=Iwate University|access-date=2019-01-01}}</ref>
* [[April 14]] – At the [[First International Conference of American States]], in Washington D.C., The Commercial Bureau of the American Republics is founded.
* [[May 1]] – A coordinated series of mass rallies and one-day strikes is held throughout many cities and mining towns in Europe and North America, to demand an [[Eight-hour day|eight-hour workday]].<ref>Hermann, Christoph: ''Capitalism and the Political Economy of Work Time'', p. 113</ref>
* [[May 2]] – President Benjamin Harrison signs the [[Oklahoma Organic Act]], under which [[Oklahoma Territory]] is organized, a prerequisite for later statehood.
* [[May 12]] – The first ever ''official'' English [[County Championship]] [[cricket]] match begins in [[Bristol]]; [[Yorkshire County Cricket Club|Yorkshire]] beats [[Gloucestershire County Cricket Club|Gloucestershire]], by eight wickets.
* [[May 20]] – Dutch artist [[Vincent van Gogh]] moves to [[Auvers-sur-Oise]] on the edge of Paris, in the care of [[Paul Gachet]], where he will produce around seventy paintings in as many days. 
* [[May 30]] – The five-story skylight [[Cleveland Arcade|Arcade]] opens in [[Cleveland, Ohio]].             
* [[May 31]] – The [[Ulm Minster|Ulm Minister]] opens in [[Ulm, Germany]] as the world's [[tallest church|tallest cathedral]].
* [[June 1]] – The [[United States Census Bureau]] begins using [[Herman Hollerith]]'s [[tabulating machine]] to tabulate [[census]] returns using [[punched card]] input, a landmark in the [[history of computing hardware]]. Hollerith's company eventually becomes [[IBM]]. The [[1890 United States census]] determines the US population to be 62,979,766, an increase of 25.5 percent relative to the 1880 census.
* [[June 16]] – Royal Dutch Petroleum, predecessor of [[Royal Dutch Shell]], the major worldwide [[energy]] production and sales company, is founded in the [[Netherlands]] to develop an oilfield in [[Pangkalan Brandan]], [[North Sumatra]].<ref>{{Cite book|last=Merrillees|first=Scott|year=2015|title=Jakarta: Portraits of a Capital 1950–1980|location=Jakarta|publisher=Equinox Publishing|isbn=9786028397308|page=60|url={{GBurl|akLWjgEACAAJ}}}}</ref>
* [[June 20]] – ''[[The Picture of Dorian Gray]]'' (by [[Oscar Wilde]]) is published by Philadelphia-based ''[[Lippincott's Monthly Magazine]]'' (dated July).<ref>{{cite book|first=Norman|last=Page|title=An Oscar Wilde Chronology|publisher=Macmillan|year=1991|page=40}}</ref>
* [[June 27]] – Canadian-born boxer [[George Dixon (boxer)|George Dixon]] defeats the British [[bantamweight]] champion in London, giving him claim to be the first [[Black people|black]] world champion in any sport.<ref>{{Cite web|title=Dixon, George (Little Chocolate)|url=http://www.biographi.ca/009004-119.01-e.php?&id_nbr=6679|work=[[Dictionary of Canadian Biography]] Online|year=2000|publisher=University of Toronto; Université Laval|access-date=2012-01-23}}</ref>
[[File:Vincent van Gogh - Self-Portrait - Google Art Project (454045).jpg|thumb|110px|[[July 29]]: [[Vincent van Gogh]].]]