1843 in the United Kingdom
overview of United Kingdom-related events during the year of 1843
Events from the year 1843 in the United Kingdom.
Incumbents
Monarch – Victoria
Prime Minister – Robert Peel (Conservative)
Foreign Secretary – George Hamilton-Gordon, 4th Earl of Aberdeen
Home Secretary – Sir James Graham
Events
January – Quaker magazine The Friend begins publication.
6 January – Antarctic explorer James Clark Ross discovers Snow Hill Island.
20 January – Daniel M'Naghten shoots and kills the Prime Minister's private secretary, Edward Drummond, in Whitehall.
4 March – M'Naghten is found not guilty of murder "by reason of insanity", giving rise to the M'Naghten Rules on criminal responsibility, and subsequently committed to Bethlem Hospital.
24 March – Battle of Hyderabad: The Bombay Army led by Major General Sir Charles Napier defeats the Talpur Mirs, securing Sindh province for the British Raj.
25 March – Marc Isambard Brunel's Thames Tunnel, the first tunnel under the River Thames, is opened to pedestrians.
27 March – A decision in Foss v Harbottle, a leading precedent in English corporate law, declares that in any action in which a wrong is alleged to have been done to a company, the proper claimant is the company itself and not individual shareholders.
4 April – William Wordsworth accepts the office of Poet Laureate of the United Kingdom following the death of Robert Southey on 21 March.
April – Protestant Martyrs' Memorial erected in Oxford.
This brief starts where responsible research should: with the source description of “1843 in the United Kingdom” as overview of United Kingdom-related events during the year of 1843. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as overview of United Kingdom-related events during the year of 1843. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 4, 2026. The linked authority identifier is Q4554636. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1843.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
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- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
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This entry incorporates text from “1843 in the United Kingdom” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.