Editing 1891 (section)

=== October&ndash;December ===
* [[October]] &ndash; [[Eugène Dubois]] finds the first fragmentary bones of [[Homo erectus|''Pithecanthropus erectus'' (later redesignated ''Homo erectus'')]], or "[[Java Man]]", at [[Trinil]] on the [[Solo River]].<ref>{{cite book|first=Sean B.|last=Carroll|title=Remarkable Creatures: Epic Adventures in the Search for the Origin of Species|location=London|publisher=Quercus|year=2009|isbn=978-1-84916-072-8|pages=90–91}}</ref>
* [[October 1]]
** [[Stanford University]] in [[California]] opens its doors.[[File:Stanford University Quad Memorial Church.JPG|thumb|110px|right| [[October 1]] [[Stanford University]] opens its doors.]]
** [[Skansen]] is established as the world's first [[open-air museum]] by [[Artur Hazelius]], on the island of [[Djurgården]] in [[Stockholm]], Sweden.
* [[October 28]] &ndash; The 8.0 {{M|s}} [[1891 Mino–Owari earthquake|Mino–Owari earthquake]] strikes the [[Gifu (region)|Gifu region]] of Japan. This [[Fault (geology)#Oblique-slip faults|oblique-slip]] event kills over 7,200, injures more than 17,000, and creates [[fault scarp]]s that still remain visible.
*[[October 30]] &ndash; A [[Personal care|personal care brand]] in [[Japan]] and [[Asia]], [[Lion Corporation]] was founded, as predecessor name was Kobayashi Tomijirō Shōten (小林富次郎商店).{{citation needed|date=December 2020}} 
* [[November 11]] &ndash; [[Jindandao Incident]]: The Chinese Juu Uda League in [[Inner Mongolia]] massacres tens of thousands of Mongols, before being suppressed by government troops in late [[December]].
* [[November 15]] &ndash; The constitution of the [[First Brazilian Republic]] is promulgated.
* [[November 28]] &ndash; The [[International Brotherhood of Electrical Workers]] is organized in [[St. Louis]], Missouri.
* [[December 17]] &ndash; [[Drexel University]] is inaugurated as the Drexel Institute of Art, Science and Industry in [[Philadelphia]].
* [[December 22]] &ndash; Asteroid ''[[323 Brucia]]'' becomes the first asteroid discovered using photography.