Editing 1889 (section)

=== April–June ===
* April – British chemists [[Frederick Abel]] and [[James Dewar]] file their first patent for the smokeless propellant [[cordite]].<ref>{{cite journal|first=Yoel|last=Bergman|title=The Technological Need: Abel & Dewar’s Primary Motive for Inventing Cordite in 1889|journal=British Journal for Military History|issn=2057-0422 |volume=8|issue=3|date=2022-11-28|pages=202-219|doi=10.25602/GOLD.bjmh.v8i3.1651|url=https://www.researchgate.net/publication/365797403_The_Technological_Need_Abel_Dewar's_Primary_Motive_for_Inventing_Cordite_in_1889|accessdate=2025-05-15}}</ref>
* [[April 1]] – Following a failed attempt at a coup, French defense minister [[Georges Boulanger]] is forced to flee the country.
* [[April 10]] – The Hammarby Roddförening (later [[Hammarby IF]]) sports club is founded in [[Sweden]].
* [[April 20]] – Birth of [[Adolf Hitler]] at [[Braunau am Inn]] in [[Austria-Hungary]], the son of customs official [[Alois Hitler]] and his third wife, [[Klara Hitler|Klara]].
[[File:Oklahoma Land Rush.jpg|thumb|upright|[[April 22]]: Oklahoma [[Land Run of 1889|Land Run]]]]
* [[April 22]] – At high noon in Oklahoma Territory, thousands rush to claim land in the [[Land Rush of 1889]]. Within hours the cities of [[Oklahoma City]] and [[Guthrie, Oklahoma|Guthrie]] are formed, with populations of at least 10,000.
* May – [[1889–1890 pandemic]] of influenza first reported in the city of [[Bukhara]] in the [[Central Asia]]n part of the Russian Empire.<ref>{{cite book|editor-first=Jeffrey R.|editor-last=Ryan|chapter=Past Pandemics and Their Outcome|title=Pandemic Influenza: Emergency Planning and Community Preparedness|year=2008|publisher=CRC Press|isbn=978-1-42006088-1|page=16|chapter-url=https://books.google.com/books?id=t13C_eWhOX4C&pg=PA16}}</ref>
* [[May 2]] – [[Menelik II]], Emperor of [[Ethiopia]], signs a treaty of amity with Italy, giving Italy control over what will become [[Eritrea]].
* [[May 6]] – The [[Exposition Universelle (1889)|Exposition Universelle]] opens in Paris, with the [[Eiffel Tower]] as its entrance arch. The [[Galerie des machines]], at {{convert|111|m|ft|abbr=on}}, spans the longest interior space in the world at this time.
* [[May 11]] – [[Wham Paymaster robbery]]: An attack upon a U.S. Army paymaster and escort in the Arizona Territory results in the theft of over $28,000, and the award of two [[Medal of Honor|Medals of Honor]].
* [[May 28]] – Rubber [[tire]] company [[Michelin]] is registered by [[Édouard Michelin (industrialist)|Édouard]] and [[André Michelin]] in [[Clermont-Ferrand]], [[France]].
* [[May 31]]
** [[Johnstown Flood]]: The [[South Fork Dam]] collapses in western [[Pennsylvania]], killing more than 2,200 people in and around [[Johnstown, Pennsylvania]].
** The [[Naval Defence Act 1889|Naval Defence Act]] dictates that the fleet strength of the British [[Royal Navy]] must be equal to that of at least any two other countries.<ref name=CBH>{{cite book|last=Palmer|first=Alan|last2=Palmer|first2=Veronica|year=1992|title=The Chronology of British History|publisher=Century Ltd|location=London|pages=315–316|isbn=0-7126-5616-2}}</ref>
* [[June]] – [[Vincent van Gogh]] paints ''[[The Starry Night]]'' at [[Saint-Rémy-de-Provence]].
* [[June 3]] – The first long distance [[electric power transmission]] line in the United States is completed, running {{convert|14|mi|km}} between a generator at [[Willamette River|Willamette Falls]] and downtown [[Portland, Oregon]].
* [[June 6]] – The [[Great Seattle Fire]] ravages through the [[Downtown Seattle|downtown area]] without any fatalities.
* [[June 12]] – The [[Armagh rail disaster]]: runaway carriages from a Sunday school excursion collide with an oncoming train near [[Armagh]] in the north of Ireland, killing 80, leading to rapid passage of the [[Regulation of Railways Act 1889]] on railway signalling and brakes in the United Kingdom.<ref>{{cite book|last=Currie|first=J. R. L.|title=The Runaway Train: Armagh 1889|year=1971|publisher=David & Charles|location=Newton Abbot|isbn=0-7153-5198-2}}</ref>
* [[June 19]] – A [[Neapolitan cuisine|Neapolitan]] baker named [[Raffaele Esposito]] invents the [[Pizza Margherita]], named after the queen consort of Italy [[Margherita of Savoy]]. This is the forerunner of the modern pizza.
* [[June 26]] – [[Bangui]] is founded in the [[French Congo]].
* [[June 28]] – The annular [[solar eclipse of June 28, 1889]] is visible across the Atlantic Ocean, Africa and Indian Ocean, and is the 47th solar eclipse of [[Solar Saros 125]].
* [[June 29]]–[[June 30|30]] – First Inter-Parliamentary Conference held.