1730 in Great Britain
- 3 February – The Daily Advertiser is founded in London as the first newspaper funded by advertising.
- 12 March – John Glas deposed from the Church of Scotland; the Glasite sect forms around him.
- 15 May – Charles Townshend, 2nd Viscount Townshend resigns as Secretary of State for the Northern Department after a dispute with Robert Walpole.
- The population of the UK exceeds 10 million for the first time.
- Reputedly the last originally native roe deer in England is killed at Hexham, Northumberland.
- 16 April – Henry Clinton, general (died 1795)
- 26 April – John Moore, Archbishop of Canterbury (died 1805)
- 13 May – Charles Watson-Wentworth, 2nd Marquess of Rockingham, Prime Minister (died 1782)
- 12 July – Josiah Wedgwood, potter (died 1795)
- 1 November – George Horne, bishop (died 1792)
- 30 December – William Hamilton, diplomat and antiquary (died 1803)
- date unknown
- John Murray, 4th Earl of Dunmore, governor of the Province of New York (died 1809)
- 1 January – Daniel Finch, 2nd Earl of Nottingham, politician (born 1647)
- 30 May – Arabella Churchill, mistress of King James II (born 1648)
- 27 September – Laurence Eusden, poet (born 1688)
- 23 October – Anne Oldfield, actress (born 1683)
- Williams, Hywel (2005). Cassell's Chronology of World History. Weidenfeld & Nicolson. ISBN 0-304-35730-8.
- Cates, William L. R. (1863). The Pocket Date Book. Chapman and Hall.
- "Time Series Chart of UK Public Spending". ukpublicspending.co.uk. Retrieved 9 May 2015.
- Langley, P. J. W.; Yalden, D. W. (1977). "The decline of the rarer carnivores in Great Britain during the nineteenth century". Mammal Review. 7 (3–4): 113. doi:10.1111/j.1365-2907.1977.tb00363.x.