1795 in Great Britain
- January – the coldest month ever in the Central England temperature series with an average of −3.1 °C or 26.4 °F.
- 18 January – William V, Prince of Orange, flees the Dutch Republic for exile at Kew.
- 10 to 12 February – great floods on the Rivers Severn and Wye result from ice breakup, snowmelt and heavy rainfall; many bridges damaged.
- Quota Acts oblige magistrates to find a specified quota of men to serve in the Royal Navy.
- English Benedictine monks expelled from the Priory of St. Gregory's at Douai, France are permitted to proceed to England where they settle as guests of Sir Edward Smythe at Acton Burnell, Shropshire; later they will establish Downside Abbey in Somerset. This year also English Benedictine nuns expelled from the Priory of Our Lady of Good Hope in Paris settle initially in Dorset; later they will form Saint Mary's Abbey, Colwich.
- April – the British Army is evacuated from Bremen, having been unsuccessful in the Flanders Campaign under Prince Frederick, Duke of York.
- 8 April – marriage of George, Prince of Wales, to Caroline of Brunswick.
- 23 April – former Governor-General of India Warren Hastings acquitted by the House of Lords of misconduct.
- 28 April – Vagrant Act provides for magistrates to enroll vagrants and smugglers into the Royal Navy as an alternative to judicial punishment.
- 5 May – a tax on hair-powder under the Duty on Hair Powder Act 1795 comes into effect, helping to end the fashion for powdering hair and wigs.
- 6 May – introduction of Speenhamland system of outdoor relief for the poor.
- June 16–17 – French Revolutionary Wars: Cornwallis's Retreat – a British Royal Navy battle squadron commanded by William Cornwallis fends off a numerically superior French Navy fleet off the coast of Brittany.
- July to September – a Newcomen atmospheric engine begins pumping at Elsecar New Colliery in the South Yorkshire Coalfield; 220 years later it will be the only operable example on its original site.
- 25 August – British forces capture Trincomalee in Ceylon.
- September and October
- 16 September – British forces capture Cape Town from the Netherlands.
- 22 September – London Missionary Society inaugurated.
- 28 September – the Alliance of St Petersburg formed between Britain, Russia and Austria against France.
- 2 October – British forces capture Ile d'Yeu, off the coast of Brittany.
- 29 October – King George pelted with stones by an angry mob as bread riots continue.
- November – Parliament passes the Treasonable Practices Act and the Seditious Meetings Act prohibiting assemblies of more than fifty people.
- 13 December – a meteorite falls at the hamlet of Wold Newton, East Riding of Yorkshire.
- Richard Cumberland's novel Henry.
- William Blake's monotypes Nebuchadnezzar, Newton, The Night of Enitharmon's Joy and Pity; and his self-illustrated prophetic poem The Book of Ahania.
- Joseph Ritson's edition Robin Hood: a collection of all the ancient poems, songs and bBallads now extant, relative to that celebrated outlaw.
- 24 January – John Buonarotti Papworth, architect (died 1847)
- 5 April – Henry Havelock, general (died 1857)
- 25 May – George Meikle Kemp, architect (died 1844)
- 26 May – Thomas Noon Talfourd, judge and author (died 1854)
- 13 June – Thomas Arnold, historian and schoolmaster (died 1842)
- 11 August – Elizabeth Sackville-West, Countess De La Warr, peeress (died 1870)
- 13 September – Julius Charles Hare, theological writer (died 1855)
- 24 October – Edwin Norris, philologist, linguist and orientalist (died 1872)
- 31 October – John Keats, poet and leading figure of the Romantic movement (died 1821)
- 10 November – Walter Geikie, painter (died 1837)
- 10 December – Sir George Burns, 1st Baronet, shipping magnate (died 1890)
- 4 December – Thomas Carlyle, historian and philosopher (died 1881)
- 12 December – Jack Russell, dog breeder (died 1883)
- Unknown date – Zephaniah Williams, Welsh chartist (died 1874)
- 3 January – Josiah Wedgwood, potter (born 1730)
- 21 January – Samuel Wallis, explorer (born 1728)
- 9 March – John Walsh, scientist (born 1726)
- 23 June – James Craig, Scottish architect (born 1744)
- 3 August – Jerry Abershawe, highwayman (born 1773)
- 1 October – Robert Bakewell, agriculturalist (born 1725)
- 11 November – George Dixon, sea captain and explorer (born 1748)
- Hadley Centre Ranked Central England temperature.
- "Some historic examples of flood reports". Lower Severn Community Flood Information Network. Retrieved 2012-05-08.
- Eisel, John (2010). "The Great Flood of 1795". Transactions of the Woolhope Naturalists' Field Club. 58: 189–97.
- McCranie, Kevin (2009). "Recruitment for the British Navy 1793–1815". In Stoker, Donald; Schneid, Frederick C.; Blanton, Harold D. Conscription in the Napoleonic Era: A Revolution in Military Affairs?. London: Routledge. p. 96.
- Heathcote, Tony (1999). The British Field Marshals 1736–1997: a biographical dictionary. London: Leo Cooper. ISBN 0-85052-696-5.
- Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 345–346. ISBN 0-304-35730-8.
- Palmer, Alan; Palmer, Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 234–235. ISBN 0-7126-5616-2.
- Bloy, Marjie (2002). "The Speenhamland System". The Victorian Web. Archived from the original on 7 August 2010. Retrieved 2010-08-03.
- "Elsecar Newcomen-type Engine". Engineering Timelines. Retrieved 2014-12-24.
- Hadley Center Ranked EWP.
- Townsend, Joyce, ed. (2003). William Blake: the Painter at Work. London: Tate Publishing. p. 32. ISBN 1-85437-468-0.