Events from the year 1771 in the Kingdom of Great Britain.
- 22 January - Spain cedes the Falkland Islands to Britain.
- 15 March - Society of Civil Engineers first meets (in London), the world's oldest engineering society.
- 12 July - First voyage of James Cook (begun 1768): HMS Endeavour anchors in The Downs, and Captain Cook goes ashore at Deal, Kent, following his global circumnavigation.
- 8 August - First recorded town cricket match played at Horsham; Horsham Cricket Club formed here soon after 1806.
- 17 August - Edinburgh botanist James Robertson makes the first recorded ascent of Ben Nevis.
- 2 October - Prince Henry, Duke of Cumberland and Strathearn, brother to the King, marries a commoner, the widow Anne Horton, in Mayfair, precipitating the Royal Marriages Act 1772.
- 16 November - During the night the River Tyne floods, destroying many bridges and killing several people; the replacement main bridge at Newcastle upon Tyne will not be completed until 1781.
- ^ a b c d Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 326–327. ISBN 0-304-35730-8.
- ^ Watson, Garth (1989). The Smeatonians: The Society of Civil Engineers. London: Thomas Telford. ISBN 0-7277-1526-7.
- ^ Roberts, Gwilym (1995). From Kendal's Coffee House to Great George Street. London: Thomas Telford. ISBN 0-7277-2022-8.
- ^ "Horsham Cricket Club History". Horsham Cricket Club. Retrieved 2011-11-01.
- ^ "BBC History British History Timeline". Archived from the original on 09 September 2007. Retrieved 2007-09-03.
- ^ Marshall, P. J. (September 2004). "Hastings, Warren (1732–1818)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/12587. Retrieved 2011-11-01. (subscription or UK public library membership required)
- ^ Keene, Henry George (1891). "Hastings, Warren". In Stephen, Leslie; Lee, Sidney. Dictionary of National Biography 25. London: Smith, Elder & Co.