1707 in Wales

This article is about the particular significance of the year 1707 to Wales and its people.

Incumbents

 * Lord Lieutenant of North Wales (Lord Lieutenant of Anglesey, Caernarvonshire, Denbighshire, Flintshire, Merionethshire, Montgomeryshire) – Hugh Cholmondeley, 1st Earl of Cholmondeley
 * Lord Lieutenant of South Wales (Lord Lieutenant of Glamorgan, Brecknockshire, Cardiganshire, Carmarthenshire, Monmouthshire, Pembrokeshire, Radnorshire) – Thomas Herbert, 8th Earl of Pembroke
 * Bishop of Bangor – John Evans
 * Bishop of Llandaff – John Tyler
 * Bishop of St Asaph – William Beveridge
 * Bishop of St Davids – George Bull

Events

 * 1 May – The Acts of Union come into force, making Wales officially a part of the Kingdom of Great Britain. The newly established Parliament of Great Britain has a total of 27 MPs representing Welsh constituencies, as opposed to 45 for Scotland and 486 for England.
 * December – Richard Bulkeley, 4th Viscount Bulkeley, is accused of having appropriated building materials from Beaumaris Castle for use on his own estates.

New books

 * Egwyddorion y Grefydd Gristianogawl
 * Godidawgrwydd Rhinwedd
 * Edward Lhuyd – Archaeologia Britannica: an Account of the Languages, Histories and Customs of Great Britain, from Travels through Wales, Cornwall, Bas-Bretagne, Ireland and Scotland. Vol. 1: Glossography Lhuyd's work was compiled with assistance from Moses Williams, and was dedicated to Thomas Mansel, 1st Baron Mansel.

Births

 * 1 February – Frederick, Prince of Wales, son of the future George II of Great Britain (died 1751)
 * April? – Griffith Hughes, naturalist and author (died c.1758)
 * 1 September – John Salusbury, explorer and diarist (died 1762)
 * 30 September – Richard Trevor, Bishop of St David's (died 1771)
 * probable
 * Thomas Allgood II, heir to the Pontypool japanning works, who would make further improvements to the process
 * William Vaughan of Corsygedol, politician (died 1775)

Deaths

 * 14 December – Humphrey Edwin, London merchant and owner of the Llanmihangel estate, 65
 * date unknown – Love Parry, ancestor of the Jones-Parry Baronets, 53