1801 in the United Kingdom
The following events occurred in the United Kingdom in the year 1801. The Acts of Union 1800 came into force this year.
Incumbents
- Monarch – George III
- Prime Minister – William Pitt the Younger, Henry Addington
- Foreign Secretary – Lord Grenville Lord Hawkesbury
- Secretary of War – Lord Hobart
Events
- 1 January
- * Legislative union of Great Britain and Ireland completed under the Act of Union 1800, bringing about the United Kingdom of Great Britain and Ireland and abolition of the Parliament of Ireland. A revised flag of the United Kingdom is adopted from this date.
- * First one-inch-to-the-mile map based on the work of the Ordnance Survey is published, covering the county of Kent.
- 14 January – Britain places embargoes on vessels of the Second League of Armed Neutrality of the North.
- 2 February – Parliament of the United Kingdom meets for the first time.
- 5 February – William Pitt the Younger tenders his resignation as Prime Minister of the United Kingdom.
- 1 March – London Stock Exchange founded as a regulated institution; its new building is completed on 30 December.
- 8 March – Second Battle of Abukir: a British Army under Ralph Abercromby defeats the French troops.
- 10 March – The first British census is carried out. The count is conducted by clergy, overseers of the poor and schoolmasters. The population of England and Wales is determined to be 8.9 million, with London revealed to have 860,035 residents.
- 14 March – William Pitt the Younger resigns over the failure to introduce Catholic emancipation, having first tendered his resignation on 5 February.
- 16 March – Edinburgh music teacher Anne Gunn is granted the first British patent for a board game, designed as a music teaching aid.
- 17 March – Henry Addington, 1st Viscount Sidmouth becomes Prime Minister.
- 21 March – Battle of Alexandria: Abercromby's forces defeat those of the French in the Egyptian city of Alexandria.
- 2 April – Battle of Copenhagen in the War of the Second Coalition: The Royal Navy under Admiral Sir Hyde Parker forces the Royal Dano-Norwegian Navy to accept an armistice. Vice-Admiral [Horatio Horatio Nelson, 1st Viscount Nelson|Nelson, 1st Viscount Nelson|Horatio Nelson] leads the main attack, deliberately disregarding his commander's signal to withdraw.
- 19 May – Nelson is created Viscount Nelson of the Nile, and of Burnham Thorpe in the County of Norfolk, for his part in the strategic victory at Copenhagen.
- 18 June – Cairo falls to British troops.
- 6 July – Battle of Algeciras: The French fleet achieves victory over the British.
- 12 July – Second Battle of Algeciras: The British fleet defeats the French and Spanish.
- 18 July – Matthew Flinders sets out on a voyage to produce a detailed survey of the coastline of Australia, the southern coast of which is still unknown.
- 30 September – The Treaty of London is signed for peace between the First French Republic and the United Kingdom as a preliminary to the Treaty of Amiens.
- 24 November – The Duke of Sussex first conferred, on Prince Augustus Frederick.
- 26 November – Charles Hatchett announces his discovery of the chemical element niobium to the Royal Society.
- 24 December – Richard Trevithick demonstrates the first steam-powered vehicle to carry passengers at Camborne.
Ongoing
Undated
- Dalton's law: John Dalton observes that the total pressure exerted by a gaseous mixture is equal to the sum of the partial pressures of each individual component in a gas mixture.
- Thomas Young discovers the interference of light.
- Maria Edgeworth's novel Belinda is published.
- Henry James Pye's epic poem Alfred is published.
- 219 people are hanged this year in England and Wales, a record for any year after 1785.
- Artist Thomas Lawrence paints a portrait of the Princess of Wales and her daughter which in 1806 involves him in the "Delicate Investigation".
Births
- 4 January – James Giles, painter
- 14 January – Jane Welsh Carlyle, letter–writer
- 2 February
- * Manton Eastburn, bishop in the Episcopal Church
- * George Maclean, Governor of Cape Coast
- 7 February – John Rylands, weaver, entrepreneur and philanthropist
- 13 February – Henry Bulwer, 1st Baron Dalling and Bulwer, politician, diplomat and writer
- 21 February – John Henry Newman, Roman Catholic Cardinal, canonised
- 24 April – Robert Grosvenor, 1st Baron Ebury, politician
- 28 April – Anthony Ashley-Cooper, 7th Earl of Shaftesbury, politician and philanthropist
- 9 May – Samuel Cousins, engraver
- 4 June – James Pennethorne, architect
- 10 June – Joseph Rowntree, educationist
- 24 June – Caroline Clive, author
- 15 August – Charles Elliot, naval officer, diplomat and colonial administrator
- 27 December – Charles Clay, surgeon date unknown – Charles George James Arbuthnot, general, born at sea
Deaths
- 28 March – Ralph Abercromby, general
- 2 April – Thomas Dadford, Jr., engineer
- 3 May – Mary Lacy, shipwright and naval pensioner
- 17 May – William Heberden, physician
- 14 June – Benedict Arnold, spy and Army officer
- 7 July – William Legge, 2nd Earl of Dartmouth, statesman
- 9 September – Gilbert Wakefield, scholar
- Autumn – David Levi, scholar