1725 in Great Britain

Incumbents

• Monarch – George I
• Prime Minister – Robert Walpole

Events

• 2 March – in London, a night watchman finds a severed head by the Thames; it is later recognized to be that of the husband of Catherine Hayes. She and an accomplice are executed the following year.
• 12 May – the Black Watch is raised as a military company as part of the pacification of the Scottish Highlands under General George Wade.
• 18 May – the Order of the Bath is founded by King George I.
• 24 May – Jonathan Wild, fraudulent "Thief Taker General", is hanged in Tyburn, for actually aiding criminals.
• 3 September – Treaty of Hanover signed between Great Britain, France and Prussia.
• 20 November – the horse-post from Edinburgh to London vanishes after passing through Berwick-upon-Tweed; horse and rider are thought to have perished on tidal sands near Lindisfarne.

Undated

• A fire in Wapping, England destroys 70 houses.
• Alexander Pope produces an English language translation of Homer's Odyssey.

Births

• 4 February – Dru Drury, entomologist
• 6 March – Henry Benedict Stuart, cardinal and Jacobite claimant to the British throne
• 28 March – Andrew Kippis, non-conformist clergyman and biographer
• 25 April – Augustus Keppel, 1st Viscount Keppel, admiral
• 23 May – Robert Bakewell, agriculturalist
• 1 July – Rhoda Delaval, portrait painter
• 24 July – John Newton, cleric and hymnist
• 29 August – Charles Townshend, politician
• 29 September – Robert Clive, 1st Baron Clive, general and statesman
• 17 October – John Wilkes, politician and journalist
• Paul Sandby, cartographer and painter

Deaths

• 8 April – John Wise, clergyman
• 24 May – Jonathan Wild, criminal