Editing 1845 (section)

=== April–June ===
* [[April 7]] – An earthquake destroys part of [[Mexico City]], along with the nearby towns of [[Tlalpan]] and [[Xochimilco]].
* [[April 10]] – The [[Great Fire of Pittsburgh]] destroys much of the American city of [[Pittsburgh]].
* [[April 20]] – [[Ramón Castilla]] becomes president of [[Peru]].
* [[May 2]] – [[Yarmouth suspension bridge]] in [[Great Yarmouth]], England, collapses leaving around 80 dead, mostly children.<ref>{{cite web|title=The Great Yarmouth Suspension Bridge Disaster – May 2nd 1845|url=http://www.broadlandmemories.co.uk/documents/news/news_pre1900/gy_suspensionbridge_1845.pdf|work=Broadland Memories|access-date=2010-10-14|url-status=dead|archive-url=https://web.archive.org/web/20110718231354/http://www.broadlandmemories.co.uk/documents/news/news_pre1900/gy_suspensionbridge_1845.pdf|archive-date=2011-07-18}}</ref>
* [[May 19]] – [[HMS Erebus (1826)|HMS ''Erebus'']] and [[HMS Terror (1813)|HMS ''Terror'']], with 134 men, comprising Sir [[John Franklin]]'s [[Franklin's lost expedition|expedition]] to find the [[Northwest Passage]], sail from [[Greenhithe, Kent|Greenhithe]] on the [[River Thames|Thames]]. They will last be seen in the summer, entering [[Baffin Bay]].<ref>{{cite book|title=The Hutchinson Factfinder|publisher=Helicon|year=1999|isbn=1-85986-000-1|page=549}}</ref>
* [[May 25]] – A theater fire in [[Guangzhou|Canton]], China, kills 1,670.
* [[May 30]] – ''[[Fatel Razack]]'' ({{lang|ar-Latn|Fath Al Razack}}, 'Victory of Allah the Provider', {{Langx|ar|قتح الرزاق}}) is the first ship to bring indentured labourers from [[British Raj|India]] to [[Trinidad and Tobago]], landing in the [[Gulf of Paria]] with 227 immigrants.<ref>When the British decided they were going to bring Indians to Trinidad this year, most of the traditional British ship owners did not wish to be involved. The ship was originally named ''Cecrops'', but upon delivery was renamed to ''Fath Al Razack''. The ship left [[Calcutta]] on [[February 16]].</ref>
* [[May]] – [[Frederick Douglass]]'s autobiographical ''[[Narrative of the Life of Frederick Douglass, an American Slave]]'' is published by the [[Boston]] Anti-Slavery Society.
* [[June 8]] – Former U.S. President [[Andrew Jackson]], 78, dies at [[The Hermitage (Nashville, Tennessee)]].