This article is about the particular significance of the year 1866 to Wales and its people. Incumbents Lord Lieutenant of Anglesey – Henry Paget, 2nd Marquess of Anglesey Lord Lieutenant of Brecknockshire – George Pratt, 2nd Marquess Camden (until 8 August) Charles Morgan, 1st Baron Tredegar (from 27 September) Lord Lieutenant of Caernarvonshire – Sir Richard Williams-Bulkeley, 10th Baronet (until 14 September); Edward Douglas-Pennant, 1st Baron Penrhyn (from 14 September) Lord Lieutenant of Cardiganshire – Edward Pryse Lord Lieutenant of Carmarthenshire – John Campbell, 2nd Earl Cawdor Lord Lieutenant of Denbighshire – Robert Myddelton Biddulph Lord Lieutenant of Flintshire – Sir Stephen Glynne, 9th Baronet Lord Lieutenant of Glamorgan – Christopher Rice Mansel Talbot Lord Lieutenant of Merionethshire – Edward Lloyd-Mostyn, 2nd Baron Mostyn Lord Lieutenant of Monmouthshire – Benjamin Hall, 1st Baron Llanover Lord Lieutenant of Montgomeryshire – Sudeley Hanbury-Tracy, 3rd Baron Sudeley Lord Lieutenant of Pembrokeshire – William Edwardes, 3rd Baron Kensington Lord Lieutenant of Radnorshire – John Walsh, 1st Baron Ormathwaite Bishop of Bangor – James Colquhoun Campbell Bishop of Llandaff – Alfred Ollivant Bishop of St Asaph – Thomas Vowler Short Bishop of St Davids – Connop Thirlwall Events 5 February — Railway contractor Thomas Savin goes bankrupt, resulting in a temporary halt in the construction of the Aberystwith and Welsh Coast Railway. 31 March — The last public execution in Wales takes place as Robert Coe is hanged in Swansea. 1 May — Wrexham, Mold and Connah's Quay Railway opens to passengers. July — Launch of Yr Australydd, a Welsh language Calvinistic Methodist newspaper, in Victoria (Australia), edited by William Meirion Evans and Theophilus Williams. 5 September — The Pembroke and Tenby Railway is extended for passengers to Whitland. 6 September — Six people are killed in a railway derailment near Criccieth. September — The song Hen Wlad Fy Nhadau — later to become the official national anthem of Wales — is sung for the first time at the National Eisteddfod held at Chester. 17 October — First confirmed death from a cholera epidemic in Carnarvon. Sir George Gilbert Scott begins work on the renovation of Bangor Cathedral. The Baptist Union of Wales is established. Whiteford Lighthouse on Gower, the only remaining large wave-swept cast-iron lighthouse built in the UK, is first lit. Edward Gordon Douglas is created Baron Penrhyn. December — The Talyllyn Railway officially opens. Arts and literature Awards The National Eisteddfod of