Editing 1855 (section)

=== April&ndash;June ===
* [[April 3]] &ndash; The [[Nepal]]ese invasion of [[Tibet]] (west of [[China]]) to the north across the [[Himalaya Mountains]] (tallest and most rugged in the world) starts the [[Nepalese–Tibetan War]] (1855–1856).<ref>{{cite book|first=Leo E.|last=Rose|title=Nepal: Strategy for Survival|publisher=University of California Press|year=1971|pages=110–111}}</ref>
* [[April 7]] &ndash; [[Battle of Kaba]]: The [[Tonga|Kingdom of Tonga]] in the islands of the southwest [[Pacific Ocean]] ([[Polynesia]], [[Melanesia]] / [[Oceania]]), intervenes in the war between the self-proclaimed Tui Viti (King) of the island of [[Fiji]], [[Seru Epenisa Cakobau|Cakobau]], and his rivals the [[Rewa Province|Confederation of Rewa]]. It results in Rewa's defeat and the tenuous unification of Fiji under Cakobau.
* [[April 16]] &ndash; Emperor of the French [[Napoleon III]], with Empress Eugénie, begins a 6-day state visit to Britain.<ref>{{cite web|title=The reception of the Emperor and Empress of the French at Windsor Castle, 16 April 1855|url=https://www.rct.uk/collection/919799/the-reception-of-the-emperor-and-empress-of-the-french-at-windsor-castle-16-april|publisher=The Royal Collection Trust|accessdate=2025-05-10}}</ref>
* [[April 18]] &ndash; The [[Bordeaux Wine Official Classification of 1855]], requested by [[Napoleon III]] for the Exposition Universelle (opening May 15), first appears.<ref>{{cite web|url=http://www.wine-searcher.com/recipes/pickled.htm|title=The Official Classification of Medoc and Graves of 1855|work=[[Wine-Searcher]]|archive-url=https://web.archive.org/web/20100330162629/http://www.wine-searcher.com/recipes/pickled.htm|archive-date=2010-03-30|url-status=dead|access-date=2019-05-03}}</ref>
* [[May 1]] &ndash; [[Van Diemen's Land]] is separated administratively from the province [[New South Wales]] and granted self-government in the [[Australia]] continent.
* [[May 3]] &ndash; [[United States|American]] adventurer [[William Walker (filibuster)|William Walker]] and a group of armed mercenaries ([[Filibuster (military)|filibusters]]) sail from [[San Francisco]] in [[California]] south to [[Central America]] to attempt to conquer [[Nicaragua]].
* [[May 15]]
** The [[Exposition Universelle (1855)|Exposition Universelle]] (an early [[World's fair]]) officially opens in [[Paris]] (continues to November 15).
** The [[Great Gold Robbery]] is made from a moving train between [[London Bridge station|London Bridge]] and [[Folkestone]] in [[England]], one of the first crimes of its kind.<ref>{{cite book|last=Hanrahan|first=David C.|title=The First Great Train Robbery|location=London|publisher=Robert Hale|year=2011|isbn=978-0-7090-9040-3}}</ref>
* [[May 17]] &ndash; [[Mount Sinai Hospital (Manhattan)|Mount Sinai Hospital]], New York, is dedicated (originally named as the Jews' Hospital) in [[New York City]]; it opens to patients on [[June 5]].
* [[May 22]] &ndash; In [[History of Australia|Australia]], the province of [[Victoria (Australia)|Victoria]] (named for then reigning [[United Kingdom|British]] monarch, Queen [[Victoria of the United Kingdom|Victoria]]) to the southeast is separated administratively from the earlier larger province of [[New South Wales]] to the north.
* [[June 15]] &ndash; [[Stamp duty]] revenue tax is removed from British newspapers, creating free [[mass media]] thereafter in the [[United Kingdom]].
* [[June 29]] &ndash; ''[[The Daily Telegraph]]'' newspaper begins publication in [[London]].