1864 in the United Kingdom

Events from the year 1864 in the United Kingdom.

• Monarch – Victoria
• Prime Minister – Henry John Temple, 3rd Viscount Palmerston (Liberal)

• 11 January – Charing Cross railway station in London opens.^[1]
• 11 March – Great Sheffield Flood: the Dale Dike Dam bursts devastating Sheffield.
• 29 March – Treaty of London: Britain voluntarily cedes control of the United States of the Ionian Islands to the Kingdom of Greece with effect from 2 May.^[2]
• 1 April – Barrow Hematite Iron and Steel Company registered to take over and expand the works at Barrow-in-Furness,^[3] which will become the world's largest steel mill.
• April – Giuseppe Garibaldi visits England.
• 7 May – City of Adelaide is launched at Sunderland by William Pile, Hay and Co. for the Australia trade; by 2014 she will be the world's oldest surviving clipper.
• c. May–June – Ending of Second Anglo-Ashanti war.
• June – overarm bowling legalised in cricket.
• 20 August – John Alexander Reina Newlands produces the first periodic table of the chemical elements.^[4]
• 5–6 September – Bombardment of Shimonoseki: An American, British, Dutch and French alliance engages the powerful feudal Japanese warlord or daimyō Lord Mōri Takachika of the Chōshū clan based in Shimonoseki, Japan.
• 15 September – The explorer of Africa, John Hanning Speke, 37, accidentally shoots himself at Neston Park, his estate in Wiltshire.
• 28 September – International Workingmen's Association founded in London.^[1]
• 10 October – Quebec Conference to discuss plans for the creation of a Dominion of Canada, begins.^[2]
• 18 October – abolition of squadron colours in the Royal Navy, reserving the White Ensign to the Navy, the Red Ensign to the Merchant Navy and the Blue Ensign to military vessels.^[5]
• 22 October – the predecessor of Wrexham A.F.C. plays its first match, making it the oldest association football club in Wales and the world's sixth oldest football club and third oldest professional team.^[6]
• 2 November – HMS Victoria (1859), the Royal Navy's last, largest and fastest wooden first-rate three-decker ship of the line to see sea service, enters active service.
• 10 November – first match played on the newly laid out Royal North Devon Golf Club course, the oldest surviving in England.^[7]
• 8 December
  • The Clifton Suspension Bridge across the Bristol Avon, designed by Isambard Kingdom Brunel and completed as a memorial to him, opens to traffic.^[1]
  • James Clerk Maxwell presents his paper A Dynamical Theory of the Electromagnetic Field to the Royal Society, concluding that light is an electromagnetic wave.^[8]
• Undated
  • Joseph Hepworth sets up his tailoring business in Leeds, predecessor of Next plc.^[9]
  • Oriel Chambers, Liverpool, the world's first metal-framed glass curtain walled building, designed by Peter Ellis (architect), is built.^[10]

• Harry Clifton's song "Pretty Polly Perkins of Paddington Green".
• Charles Dickens's novel Our Mutual Friend (serialisation begins).
• Amelia Edwards' novel Barbara's History.
• John Henry Newman's spiritual autobiography Apologia Pro Vita Sua.
• James Payn's novel Lost Sir Massingberd (in Chambers's Journal).^[11]
• Anthony Trollope's novel The Small House at Allington (publication concludes) and Can You Forgive Her? (publication commences).
• John Wisden publishes The Cricketer's Almanack for the year 1864 (February) which will go on to become the major annual cricket reference publication.

• 8 January – Prince Albert Victor, Duke of Clarence (died 1892)
• 21 January – Israel Zangwill, novelist and playwright (died 1926)
• 20 February – Henry Rawlinson, 1st Baron Rawlinson, general (died 1925)
• 12 March – W. H. R. Rivers, psychiatrist (died 1922)
• 6 April – William Bate Hardy, biologist and food scientist (died 1934)
• 9 April – Sebastian Ziani de Ferranti, electrical engineer and inventor (died 1930 in Switzerland)
• 22 April – Phil May, caricaturist (died 1903)
• 4 May – Marie Booth, third daughter of William and Catherine Booth (died 1937)
• 5 May – Sir Henry Wilson, 1st Baronet, field marshal (died 1922)
• 25 May – Herbie Hewett, cricketer (died 1921)
• 10 June – Ninian Comper, architect (died 1960)
• 18 July – Philip Snowden politician, Chancellor of the Exchequer (died 1937)
• 11 September – Mark Sheridan, music-hall performer (suicide 1918)
• 14 September – Robert Cecil, 1st Viscount Cecil of Chelwood, politician and diplomat, recipient of the Nobel Peace Prize (died 1958)
• 31 October – Cosmo Lang, Archbishop of Canterbury (died 1945)
• 26 November – Edward Higgins, 3rd General of The Salvation Army (died 1947)

• 29 January
  • Lucy Aikin, writer (born 1781)
  • Julia Maitland, writer on India and for children (born 1808)
• 2 February – Adelaide Anne Procter, poet (born 1825)
• 10 February – William Henry Hunt, watercolour painter (born 1790)
• 14 February – William Dyce, painter (born 1806)
• 11 March – Richard Roberts, mechanical engineer (born 1789)
• 16 March – Robert Smith Surtees, novelist and sporting writer (born 1805)
• 21 March – Luke Howard, meteorologist and manufacturing chemist (born 1772)
• 5 April – Alaric Alexander Watts, poet and journalist (born 1797)
• 16 April – George Webster, architect (born 1797)
• 26 April – John Shuttleworth, industrialist and political campaigner (born 1786)
• 5 May – Elizabeth Andrew Warren, Cornish botanist, marine algolologist (born 1786)
• 20 May – John Clare, Northamptonshire peasant poet (born 1793)
• 17 June – William Cureton, Orientalist (born 1808)
• 6 August – Catherine Sinclair, Scottish novelist and children's writer (born 1800)
• 15 September – John Hanning Speke, explorer (born 1827; accident)
• 17 September – Walter Savage Landor, writer and poet (born 1775)
• 1 October – Ignatius Spencer, priest (born 1799)
• 25 November – David Roberts, painter (born 1796)
• 4 December – John Fowler, agricultural engineer (born 1826)
• 8 December – George Boole, mathematician and philosopher (born 1815)
• 21 December – Joshua Fawcett, clergyman and writer (born 1809)
• 23 December – James Bronterre O'Brien, Chartist leader, reformer and journalist (born 1804)
• 24 December – Princess Caraboo, impostor (born 1791)