Editing 1847 (section)

=== April–June ===
* [[April 5]] – The world's first municipally-funded civic public [[park]], [[Birkenhead Park]] in [[Birkenhead]] on [[Merseyside]], England, is opened.<ref>{{cite web|url=http://www.wirral.gov.uk/LGCL/100006/200073/670/content_0001110.html |title=The History of Birkenhead Park |access-date=2007-09-13 |url-status=dead |archive-url=https://web.archive.org/web/20080626164507/http://www.wirral.gov.uk/LGCL/100006/200073/670/content_0001110.html |archive-date=June 26, 2008 }}</ref>
* [[April 15]] – [[The Lawrence School, Sanawar]] is established in India.
* [[April 16]] – [[New Zealand Wars]]: A minor [[Māori people|Māori]] chief is accidentally shot by a junior [[British Army]] officer in [[Whanganui]] on [[New Zealand]]'s [[North Island]], triggering the [[Wanganui Campaign]] (which continues until [[July 23]]).
* [[April 25]] – The {{ship||Exmouth|1818 brig|2}}, carrying Irish emigrants from [[Derry]] bound for [[Quebec]], is wrecked off [[Islay]], with only three survivors from more than 250 on board.<ref>{{cite web|title=The Exmouth - a terrible tragedy on Islay|url=http://www.islayinfo.com/exmouth-islay-tragedy.html|work=Isle of Islay|year=2011|access-date=2012-07-13}}</ref>
* [[May 7]] – In [[Philadelphia]], the [[American Medical Association]] (AMA) is founded.
* [[May 8]]
** The [[1847 Nagano earthquake|Nagano earthquake]] leaves more than 8,600 people dead in [[Japan]].
** Bahrain's ruler, Shaikh Mohamed bin Khalifa Al Khalifa, signs a treaty with the British to prevent and combat the slave trade in the Arabian Gulf.
* [[May 31]] – Second [[Treaties of Erzurum|Treaty of Erzurum]]: the [[Ottoman Empire]] cedes [[Abadan Island]] to the [[Qajar dynasty|Persian Empire]].
* [[May]] – The [[Architectural Association School of Architecture]] is founded in London.
* [[June 1]] – The first congress of the [[Communist League]] is held in London.
* [[June 9]] – [[Radley College]], an [[English public school]], is founded near Oxford as a High Anglican institution.<ref>{{cite book|title=The History of Radley College 1847-1947|first=A. K.|last=Boyd|location=Oxford|publisher=Blackwell|year=1948|url=https://radleyarchives.co.uk/browse/histories-of-radley-college/the-history-of-radley-college-1847-1947-by-a-k-boyd-oxford-blackwell-1948|access-date=2020-11-14}}</ref>
* [[June 26]] – The first passenger railway wholly within modern-day Denmark opens, from [[Copenhagen]] to [[Roskilde]].<ref>{{Marshall-GuinnessRail}}{{page needed|date=October 2016}}</ref>
* [[June]] – E. H. Booth & Co. Ltd, which becomes the northern England supermarket chain [[Booths]], is founded when tea dealer Edwin Henry Booth, 19, opens a shop called "The China House" in [[Blackpool]].