1886 in Wales

This article is about the particular significance of the year 1886 to Wales and its people.

Incumbents

9 June – Soprano Adelina Patti marries tenor Ernesto Nicolini in south Wales.
1 September – The Great Western Railway opens the Severn Tunnel to regular goods and mineral traffic.
September – Opening of the Llandudno Pier Pavilion Theatre.
15 October
*20 people are drowned when the sailing ship Malleny is wrecked on Tusker Rocks, Porthcawl.
*18 people are drowned when the sailing ship Teviotdale is wrecked on Cefn Sidan Sands in Carmarthenshire.
16 October
*Statue of the Liberal politician John Batchelor unveiled in Cardiff
November
*Serious flooding in Aberystwyth.
*The keeper of the Mumbles lighthouse is swept out to sea and drowned.
*The rivers Mawddach, Dee and Taff all flood.
Cantref Reservoir on the Taff Fawr is completed.
Opening of the Cardiff Stock Exchange.
Cymru Fydd is founded by the Liberal Party to further the cause of home rule.
The Welsh Land League is founded.
Beginning of the tithe revolt in Denbighshire.
The corporation of the Borough of Holt is dissolved.

William Owen "of Prysgol" – ''Y Perl Cerddorol yn cynnwys tonau ac anthemau, cysegredig a moesol''

Football – Druids win the Welsh Cup for the fifth time in its nine-year history.
Rugby union – Abercynon RFC and Treorchy RFC are founded.